[2025 Latest Edition] Car Sharing/Rental Cars vs. Buying a Used Car: Which Is More Worth It? A Comprehensive Comparison Guide

In recent years, the way we use cars has changed significantly. With the emergence of diverse options such as car sharing, rental cars, and used car purchases, many people may be wondering, "Which option is the best deal for me?" In this article, we'll thoroughly compare the features, costs, and convenience of each service, and explain in detail the key points for finding the option that best suits your lifestyle.
#Car sharing #rental car #used car purchase

Cartree事務局

2025年05月08日 20:06

Introduction

In recent years, our car lifestyle has undergone significant changes. While "owning a car" was once the norm, new styles of "borrowing only when needed" such as car-sharing and car rental are now rapidly spreading. Particularly in urban areas, an increasing number of people are choosing not to own a car due to rising parking fees, maintenance costs, and growing environmental awareness.

On the other hand, for those who frequently use cars for family pick-ups and drop-offs, commuting, or leisure activities, the benefits of purchasing a used car and owning your own vehicle remain strong. So which option—car-sharing, car rental, or purchasing a used car—is the most cost-effective for you?

In this article, based on the latest trends of 2025, we thoroughly compare the characteristics, costs, convenience, and advantages and disadvantages of car-sharing, car rental, and used car purchases. We provide easy-to-understand explanations of specific points to help you find the optimal choice based on your lifestyle and usage frequency. If you're struggling with choosing a car, please read through to the end.

Overview of Each Service

There are three main ways to use a car: "car-sharing," "car rental," and "used car purchase." Each service has different characteristics and usage scenarios, and knowing which method suits you is the first step toward smart car life. Here, we explain in detail the mechanisms and typical uses of each service.

What is Car-Sharing

Car-sharing is a service where you register as a member and can borrow a car only when needed. You can make reservations 24 hours a day from your smartphone or computer, and a major feature is that you can use it for short periods, starting from as little as 15 minutes. Major car-sharing services include Times Car, Careco, and ORIX Car Share. With many stations set up mainly in urban areas, you can easily borrow a car from nearby parking lots, making it useful for various daily scenarios such as "quick shopping trips" or "weekend drives." Additionally, you can unlock and return cars unmanned using smart keys or IC cards, making it convenient for busy people.

What is Car Rental

Car rental is a service where you complete procedures at a store and borrow a car. Usage time ranges widely from a few hours to several days or even weekly, making it suitable for special purposes such as travel, business trips, or moving. Major services like Toyota Rent a Car, Nippon Rent-A-Car, and ORIX Rent a Car operate nationwide, offering a wide variety of vehicle types and options. Car rental basically requires advance reservations and pickup/return at stores, but since insurance and maintenance are included in the price, you can use it with peace of mind. It's also attractive that you can choose the optimal vehicle type according to your needs, such as long-distance travel, large group transportation, or hauling large cargo.

What is Used Car Purchase

Used car purchase is a method of owning your own car through dealers, used car dealerships, or private sales. After purchase, you can freely use the car whenever you like, with ownership-specific benefits such as customization and leaving luggage in the car. On the other hand, there are vehicle costs and various procedural fees at the time of purchase, and maintenance costs (automobile tax, insurance, vehicle inspection, maintenance, parking fees, etc.) also occur. Used car purchase is often suitable for those who use it with family, for commuting to work or school, need frequent transportation, or live in rural areas where public transportation is inconvenient.

As you can see, car-sharing, car rental, and used car purchase each have differences in usage scenarios, costs, and freedom.

Thorough Cost Comparison

One of the most important points when choosing how to use a car is "cost." The cost structure differs greatly among car-sharing, car rental, and used car purchase in terms of initial costs, monthly payments, and maintenance fees. Here, we explain the cost structure of each service in detail and compare which method is economically beneficial through simulations based on usage frequency and lifestyle.

Car-Sharing Costs

Car-sharing requires almost no initial costs, with a monthly basic fee (free to about 1,000 yen) and time charges and distance charges only for the amount used. For example, with Times Car, it's from 220 yen per 15 minutes, or from 4,290 yen for a 6-hour pack, making it an optimal pricing structure for short-time and short-distance use. Since gasoline costs and insurance are included in the fee, there's little worry about additional expenses.

Car Rental Costs

Car rental charges a fee each time you use it. Prices vary depending on vehicle type and usage time, but generally 5,000 to 10,000 yen for 24 hours is typical. Gasoline costs are often self-paid, and insurance fees are usually included in the basic fee. Frequent use can become expensive, but for long distances, large groups, travel, or moving, it can offer high cost performance in special situations.

Used Car Purchase Costs

The biggest characteristic of used car purchase is the large initial cost. In addition to the vehicle body price, registration fees, automobile acquisition tax, and delivery fees are required, with a total guideline of approximately 500,000 to 2,000,000 yen. Furthermore, after purchase, maintenance costs such as monthly parking fees, gasoline costs, automobile tax, insurance premiums, vehicle inspections, and maintenance fees continue to occur. When calculated monthly, a typical guideline is about 20,000 to 30,000 yen per month.

Simulation by Usage Frequency

Let's simulate how much it actually costs based on usage frequency.

For 5 times per month, 2 hours each (urban area assumption)

Car-sharing: Approximately 10,000-15,000 yen

Car rental: Approximately 15,000-20,000 yen

Used car purchase: Monthly equivalent of 20,000-30,000 yen + initial costs

Daily commute use (20 weekdays, 1 hour per day)

Car-sharing: Approximately 60,000-80,000 yen

Car rental: Unrealistic (high cost)

Used car purchase: Monthly equivalent of 20,000-30,000 yen + initial costs

Several times a year for travel or homecoming (3 days × 3 times)

Car-sharing: Approximately 18,000-30,000 yen

Car rental: Approximately 30,000-45,000 yen

Used car purchase: Monthly equivalent of 20,000-30,000 yen + initial costs

Annual/Monthly Cost Comparison Table

Service
Initial Cost
Monthly Cost (Estimate)
Annual Cost (Estimate)
Car-sharing
0-1,000 yen
10,000 yen
120,000 yen
Car rental
0 yen
15,000 yen
180,000 yen
Used car purchase
500,000-2,000,000 yen
20,000 yen
240,000 yen + initial costs

Comparison of Convenience and Usability

Not only cost, but daily usability and convenience are also important points when choosing how to use a car. Here, we specifically compare car-sharing, car rental, and used car purchase from the perspectives of "reservation and procedural hassle," "ability to use when you want," and "customization and freedom."

Reservation and Procedural Hassle

Car-sharing allows reservations 24 hours a day from smartphones or computers, and can be used from as little as a few minutes in advance. After reservation, you can unlock and lock the car with a dedicated app or IC card, with no need for interaction with store staff. The ease of procedures and speed are major attractions.

Car rental basically requires advance reservations, and on the day of use, procedures such as reception at the store, document completion, and key handover are necessary. Return also requires procedures at the store. Since it needs to be handled during business hours, there is some inconvenience for sudden use or late-night/early-morning use.

Used car purchase allows you to freely use the car anytime without reservations or procedures after purchase. However, management tasks as an owner occur, such as vehicle inspections, insurance renewals, and regular maintenance. These procedures are several times a year, but you need to remember to handle them.

Ability to Use When You Want

Car-sharing is available 24/7/365 if there's a station near your home or workplace. However, popular time slots and weekends may fill up, so early reservations or using multiple services concurrently can be effective.

Car rental needs to be used according to store business hours. During peak seasons and major holidays, your desired vehicle type may not be available for reservation, so it's important to plan with plenty of time. It's suitable for long-time, long-distance use or large group transportation.

Used car purchase allows you to use the car immediately whenever you feel like it, since you own it. The high degree of freedom is the biggest advantage for sudden outings, late-night/early-morning transportation, or family pick-ups and drop-offs.

Customization and Freedom

Car-sharing and car rental generally do not allow vehicle customization or constant storage of personal items in the car. You need to reset the car after each use, and decorations inside the car or installation of equipment are restricted.

Used car purchase allows free interior and exterior customization, and you can arrange it to your liking. Installing child seats or dash cams and leaving luggage in the car are all possible. Being able to use it as your own space is a major attraction unique to ownership.

Summary of Advantages and Disadvantages

Car-sharing, car rental, and used car purchase each have clear advantages and disadvantages. Here, we organize the characteristics of each service from the user's perspective and summarize them to serve as a reference when choosing.

Advantages and Disadvantages of Car-Sharing

Advantages

  1. Almost no initial costs: No vehicle or registration fees, easy to start casually.
  2. No maintenance costs: No burden of insurance premiums, vehicle inspections, maintenance, or parking fees.
  3. Optimal for short-time, short-distance use: Fine time settings like 15-minute units, convenient for quick shopping or pick-ups.
  4. Available 24 hours: Can reserve and unlock anytime via smartphone, even for late-night or early-morning use.
  5. Gasoline included: Many services include gasoline costs in the usage fee.

Disadvantages

  1. Long-time, long-distance use is expensive: Costs add up for use of several hours or more or long trips.
  2. Reservation required: Popular time slots and weekends may have difficulty getting reservations.
  3. Limited vehicle types: Vehicle types and grades you can choose are limited.
  4. No customization: Cannot decorate the car interior or leave personal items.

Advantages and Disadvantages of Car Rental

Advantages

  1. Wide range of vehicle types and uses: Rich selection from compact cars to wagons, vans, and trucks.
  2. Suitable for long-time, long-distance use: High cost performance for bulk use such as travel or moving.
  3. Insurance and maintenance included: Basic fee includes insurance and maintenance costs for peace of mind.
  4. Convenient for large groups or heavy luggage: Can choose optimal vehicle type according to purpose.

Disadvantages

  1. Store procedures required: Requires handling at store for reservations and returns, which is time-consuming.
  2. Business hours constraints: Difficult to use late at night or early in the morning.
  3. Frequent use is expensive: High cost if used daily.
  4. No customization: Cannot decorate car interior or leave personal items.

Advantages and Disadvantages of Used Car Purchase

Advantages

  1. High degree of freedom: Can use as much as you like whenever you like, with unlimited customization.
  2. Immediate use possible: Can use the car immediately when you feel like it.
  3. Can potentially reduce costs long-term: Cost per use becomes cheaper with frequent use.
  4. Your own space: Free to leave luggage or arrange the car interior.

Disadvantages

  1. High initial costs: Substantial expenses required for vehicle and registration fees.
  2. Maintenance costs occur: Monthly and annual fixed costs such as parking fees, insurance premiums, taxes, vehicle inspections, and maintenance.
  3. Management hassle: Owner responsibilities such as vehicle inspections, insurance renewals, and regular inspections.
  4. Decrease in asset value: Car value decreases with years and mileage.

As you can see, each service has pros and cons. By clarifying your usage frequency, lifestyle, and points you want to prioritize, you'll be able to see the optimal choice for you.

Recommended Patterns by Lifestyle

Car usage styles vary from person to person. Which service suits you greatly depends on where you live, family composition, and car usage frequency. Here, we introduce optimal usage patterns for car-sharing, car rental, and used car purchase for representative lifestyles.

Urban Resident, Single, Car Use Only a Few Times per Month

Recommended: Car-Sharing

In urban areas, public transportation is well developed, and there are fewer situations where a car is essential for daily life. However, for occasional car use such as "weekend shopping" or "casual drives," car-sharing is optimal. If there's a station near your home or workplace, you can easily reserve via smartphone, with no maintenance costs or parking fees. Since you can use it only when needed, you can minimize unnecessary expenses.

Bulk Use Only a Few Times a Year for Travel, Homecoming, Moving, etc.

Recommended: Car Rental

If you rarely use a car normally but need one for special events like "family trips," "homecoming," or "moving," car rental is convenient. You can choose vehicle types such as large cars, wagons, or vans according to your purpose, and insurance and maintenance are included in the fee, so you can use it with peace of mind. In many cases, it's more cost-effective than car-sharing for extended periods or long distances.

Rural Resident, Family, Daily Car Use

Recommended: Used Car Purchase

In rural areas, public transportation is often inconvenient, and cars are frequently needed daily for commuting, shopping, or children's pick-ups and drop-offs. In such cases, purchasing a used car and owning your own vehicle is the most economical and convenient. You can use it freely whenever you like, and family luggage and child seats can be left in place. Looking long-term, cost per use can also be reduced. Being able to customize it to your liking is also a major attraction.

Want to Use Car for Hobbies/Leisure or Enjoy Customization

Recommended: Used Car Purchase + Car-Sharing Combination Also Good

For those who want to enjoy hobby driving, outdoor activities, or car customization, used car purchase is perfect. Having your own car allows you to realize a highly flexible car lifestyle. On the other hand, a "hybrid" approach is also recommended: normally using car-sharing and using rental cars or your own car only for special events or trips.

Frequently Asked Questions

When choosing how to use a car, many people have various questions and concerns. Here, we've compiled frequently asked questions and answers regarding car-sharing, car rental, and used car purchase.

Q1. What should I do when I can't get a car-sharing reservation?

A. Popular time slots and weekends fill up easily, but reserving early makes it easier to secure your desired car. Also, registering with multiple car-sharing services makes it easier to find available vehicles. Targeting weekdays or late-night/early-morning hours when there are fewer users is also effective. If you absolutely can't get one, consider using car rental.

Q2. How much do maintenance costs run after purchasing a used car?

A. Used car maintenance costs vary depending on vehicle type, usage frequency, and region you live in, but generally the following costs occur.

  1. Automobile tax: About 30,000-50,000 yen annually (depends on vehicle type)
  2. Vehicle inspection costs: About 50,000-100,000 yen every 2 years
  3. Voluntary insurance: About 50,000-100,000 yen annually
  4. Parking fees: About 10,000-30,000 yen monthly in urban areas
  5. Gasoline and maintenance costs: A few thousand to 10,000 yen monthly

In total, a guideline is about 100,000-300,000 yen annually.

Q3. What's the difference between car rental and car-sharing?

A. The main differences are "usage scenarios" and "procedural hassle."

  1. Car-sharing can be easily reserved via smartphone, and you can start using and return it unmanned anytime 24/7. It's suitable for short-time, short-distance use.
  2. Car rental requires store procedures, but is suitable for long-time, long-distance use, large group transportation, or using special vehicle types.

Q4. What happens if I have an accident with car-sharing or car rental?

A. Most car-sharing and car rental services include personal injury and property damage insurance in the basic fee. Even if you have an accident, you only need to pay a certain deductible amount. However, since insurance content and deductible amounts differ by service, it's important to check in advance.

Q5. If I don't own a car, won't daily shopping or sudden outings be inconvenient?

A. If you live in urban areas or near stations, car-sharing and car rental stations are well-established, so a style of borrowing cars only when needed can sufficiently accommodate your needs. Also, by combining public transportation, taxis, and delivery services, you're unlikely to feel inconvenience even without owning a car. However, in rural areas or living environments where cars are essential, ownership may be more convenient.

As you can see, there are various questions and concerns for each usage method, but by thoroughly checking information in advance and making choices that match your lifestyle, you can realize a comfortable and waste-free car life.

2025 Latest Trends and Future Selection Methods

The environment surrounding car life in 2025 has changed dramatically in recent years. Whether choosing car-sharing, car rental, or used car purchase, knowing the latest market trends and technological innovations leads to smart choices.

Car-Sharing Market Continues to Expand

In the first quarter of 2025, the number of car-sharing stations for the five major domestic companies reached 28,699 locations with 61,578 vehicles, a significant increase from the end of the previous year. Times Car in particular is leading the market, with convenience improving mainly in urban areas. Stations and vehicles are expected to continue increasing, and an environment where more people can easily use car-sharing is being established.

Used Car Market Sees Progress in EV and Online Sales

In the used car market, electric vehicles (EVs) are rapidly gaining popularity. With improved battery performance and charging infrastructure development, choices for used EVs are expanding. Also, with the spread of online sales platforms, it's become easy to search for used cars even from remote locations. AI and big data-based pricing and demand forecasting are also advancing, enabling efficient transactions.

Subscriptions and New Usage Forms Also Expanding

The trend from "ownership" to "usage" is accelerating, with subscription services for using cars for a certain period also expanding. This has increased more flexible options in addition to traditional purchasing, leasing, and rental.

Evolution of New Cars and Safety Features

In 2025, new models and model change vehicles are being released one after another by various manufacturers, with preventive safety features and connected services becoming standard equipment. Even in used car selection, there's a strong tendency to emphasize advanced safety equipment, fuel efficiency, EV compatibility, and other latest technologies.

Future Selection Methods

  1. For urban areas or mainly short-time use, utilizing the expanding car-sharing can achieve both cost and convenience.
  2. For frequent long-distance, long-time, or family use, used car purchase or subscription-type services are also options.
  3. If emphasizing environmental awareness or economic efficiency, consider used EVs or vehicles equipped with the latest safety features.
  4. Online comparison and purchasing are also becoming common, so compare multiple services and choose the optimal method for your lifestyle.

2025 is an era of not sticking to "ownership" but flexibly combining services. Stay on top of the latest trends and realize the car life that's perfect for you.

Summary and Final Decision Points

Up to this point, we've thoroughly compared three car usage styles—car-sharing, car rental, and used car purchase—in terms of costs, convenience, advantages and disadvantages, and 2025's latest trends. Each service has clear characteristics, and which is optimal greatly differs depending on "your lifestyle," "car usage frequency," and "living environment."

Optimal Selection Method by Service

  1. Car-sharing: Optimal for urban residents who use cars a few times a month and want to minimize maintenance costs. The combination of ease and cost performance is attractive.
  2. Car rental: Recommended for those who need a car for bulk periods only a few times a year for travel, moving, or events. You can choose vehicle types according to purpose and number of people.
  3. Used car purchase: Optimal for rural residents or families who use cars daily, or those who want to be particular about their car. High degree of freedom, and costs can potentially be reduced long-term.

Checklist for Final Decision

  1. What's your car usage frequency? → Specifically imagine how many times a month and in what scenarios you'll use a car.
  2. What region do you live in? → Check whether you're in an urban or rural area, and whether car-sharing or car rental stations are nearby.
  3. How do you feel about maintenance costs and initial costs? → Estimate whether monthly fixed costs or initial investments are manageable.
  4. Do you need freedom and customization? → Whether you want to use the car to your liking or leave luggage in it is also a decision factor.
  5. Consider future lifestyle changes too → Choose with future life events in mind, such as job transfers or changes in family composition.

Car life in 2025 is an era where you can choose flexibly without sticking to ownership. While comparing costs, convenience, and freedom, choose the option that's least stressful for you. "Hybrid types" that combine multiple services are also increasing. When in doubt, refer to the checklist in this article to realize the optimal car life.

May you find the perfect way to use a car for you!