Loaner Car Program for Auto Repair Shops: Costs and Rules

A loaner car program for an auto repair shop means lending customers a car while theirs is in the bay, so a two-day repair doesn't cost them two days of getting to work. It wins jobs that would otherwise wait, and it brings costs, paperwork and insurance questions that are easy to underestimate.

More on this topic: Pricing and shop numbers, every guide in one place.

This guide works through the cost per loan, the agreement, the federal recall law for rental fleets and whether it reaches you, the questions to ask your insurer, and the alternatives that give customers a ride without owning a fleet.

The short answer

A loaner car program for an auto repair shop, in short: one used car can cost about $665 a month to run (illustration), or about $37 per loan at 18 loans a month. Use a signed loaner agreement, check open recalls by VIN before every loan, confirm insurance with your broker, and compare rental partners and rideshare vouchers first.

Key takeaways

• Price the program per loan, not per car: fixed monthly costs divided by loans a month.
• A loaner agreement should cover the driver's license and insurance, fuel, mileage, return time, tolls and tickets, damage, smoking and pets, and who may drive.
• The federal Safe Rental Car Act covers rental companies with fleets of 35 or more rental vehicles; a shop with a few loaners is far below that, but checking recalls before each loan is still the right practice.
• Ask your broker in writing whether your policies cover a customer driving your car, and whose insurance pays first.
• Rental partnerships, rideshare vouchers and a shuttle often cost less than owning cars until you lend most days.

Disclosure: we make BayRobin, an AI receptionist and front office for independent repair shops, and show where it fits. Everything here works without it. Figures from other companies come from their public pages, checked in October 2026 and linked at the end.

Should my shop offer loaner cars?

Offer them if customers regularly decline or delay multi-day jobs because they can't get around, and if you'll lend often enough to keep the cost per loan down. Skip them, or use an alternative, if most of your work is same-day. Ask yourself:

• How many jobs a month take more than one day, and how many customers asked about a ride?
• Do we have parking for the cars and someone to check them in and out?
• Will our insurer cover it, and at what added cost?
• Can we keep the cars as clean and safe as the cars we fix?

How much does a loaner car program cost?

Add up the monthly cost of each car and divide by loans a month. A worked example for one used compact (every figure is an assumption; replace with your quotes):

At 18 loans a month averaging 1.5 days and 50 miles each, that's $665 ÷ 18 = about $37 per loan. As a sanity check, the IRS business standard mileage rate is 76 cents a mile from July 2026; 900 miles at 76 cents is $684, close to the itemized total.

Compare it with the alternatives per job: a rental partner at an assumed $45 a day is about $68 for 1.5 days, and two rideshare trips at an assumed $25 each are $50. Owning wins only when the car is out most days; at 6 loans a month, the same car costs about $111 per loan.

What are the alternatives to a loaner fleet?

Uber's business vouchers, for example, have a "$0 signup fee" and charge "only when your recipients apply a voucher", and you can set the value and restrict where and when they're used. Compare it with any local taxi or ride service's business account before you sign up.

What should a loaner car agreement include?

A one-page agreement signed at handover, with a copy to the customer. Checklist:

1. Shop, customer and vehicle details: name, phone, address, plate, VIN, and the repair order it's tied to.
2. Copies of the driver's license and proof of current auto insurance; only the named driver (and listed others) may drive.
3. Minimum age and a valid license, per your insurer's requirements.
4. Out and due-back date and time; what happens if the car is late.
5. Fuel level and mileage out and in, and any charge for fuel or miles over a limit.
6. Condition at handover: walk-around photos with the customer, initialed.
7. Responsibility for damage, the deductible, tolls, parking and traffic tickets during the loan.
8. No smoking, pets only in a carrier, no towing, no rideshare or delivery driving, no leaving the state without permission.
9. What to do after a crash or breakdown: who to call, and a note that the customer's own insurance may be asked to pay first.
10. Signature and date, plus the employee who handed over the keys.

Have a lawyer in your state read it once before you use it, since what you can charge a borrower for damage can depend on state law. This isn't legal advice: rules change and states, cities and counties add their own, so check the current text or ask a lawyer or your state association before you rely on it.

Does the Safe Rental Car Act apply to repair shop loaners?

Probably not to a small independent shop, but the practice it requires is still worth copying. The Raechel and Jacqueline Houck Safe Rental Car Act (part of the 2015 FAST Act) applies to a "rental company", which 49 U.S.C. 30102 defines as one "engaged in the business of renting covered rental vehicles" that "uses for rental purposes a motor vehicle fleet of 35 or more covered rental vehicles, on average, during the calendar year". A covered rental vehicle weighs 10,000 pounds GVWR or less and is rented without a driver for less than 4 months.

For those companies, 49 U.S.C. 30120(i) bars renting, selling or leasing a vehicle under an open recall until it's remedied, with action required "not later than 24 hours" after the recall notice (48 hours if the notice covers more than 5,000 of its vehicles). Automotive Fleet's 2016 report said the law "exempts companies with rental or loaner fleets of fewer than 35 vehicles" and noted that a proposed exemption for auto dealers was dropped from the final bill.

So a shop lending three cars free of charge is far from the 35-vehicle line. Some states have their own recall or rental rules, so check yours. This isn't legal advice: rules change and states, cities and counties add their own, so check the current text or ask a lawyer or your state association before you rely on it.

How do you check loaners for open recalls?

Run each loaner's VIN on NHTSA's recall lookup before it goes into service and again every month, and don't lend one with an open recall until it's fixed. It takes under a minute, and lending a customer a car with an unrepaired safety recall is a bad look for a repair shop whatever the law says. Our guide to checking open recalls shows how to read the result.

What insurance questions should you ask before lending cars?

Ask your agent or broker, in writing, before the first loan:

• Is a customer driving our car covered under our commercial auto policy, and with what limits?
• Whose insurance pays first after a crash: ours or the customer's personal auto policy?
• Does our policy exclude loaners, or drivers under a certain age?
• What does adding each car cost, and does the deductible change?
• Does our umbrella policy sit above the commercial auto policy?

Our guide to auto repair shop insurance covers the rest of a shop's policies. This isn't insurance or legal advice: policy wording, limits and state rules differ, so read your own policy and ask a licensed agent or broker.

How do you run a loaner program day to day?

Tie every loaner to an appointment. Reserve the car when the job is booked, hand it over at check-in after the walk-around, and get it back when the customer collects their own car. Keep a simple log: car, customer, RO number, out and in times, fuel and mileage. Clean and refuel each car before the next loan, and keep the cars on the same maintenance schedule as a customer's.

Frequently asked questions

Do auto repair shops have to provide loaner cars?

No. Loaners are a service choice, not a legal requirement for independent shops. Many shops offer rides, rental partnerships or rideshare vouchers instead.

How much does a loaner car cost a repair shop?

It depends on the car, insurance and use. In our illustration, one used compact costs about $665 a month, or about $37 per loan at 18 loans a month, rising to about $111 per loan at 6 loans.

Who pays if a customer crashes a loaner car?

It depends on your policies, the agreement and state law. Ask your broker whether your commercial auto or the customer's personal policy pays first, and spell out deductibles and damage in the loaner agreement.

Can a shop lend a car with an open recall?

Rental companies with 35 or more rental vehicles can't rent a car under an open recall until it's fixed. Most shops are below that threshold, but checking each loaner's VIN on NHTSA and fixing recalls first is good practice.

What is a courtesy car?

Another name for a loaner: a vehicle a shop lends a customer, usually free, while their car is being repaired.

Where BayRobin fits

BayRobin doesn't manage a loaner fleet, but it helps the program run on time: appointment reminders go out about a day before each booked appointment so the loaner's reserved for someone who'll show, the dispatch board shows each technician's jobs for the day, and a Ready for pickup text tells the customer their car is ready, with the total and a pay link, so the loaner comes back the same trip. BayRobin is free until your first 10 booked jobs, no card up front. Start free or see pricing.

Related: How to check for open recalls, Auto repair shop insurance, Auto repair authorization form, Reduce no-shows, Ready for pickup texts.

Sources

Competitor details in this post were checked against these public pages in October 2026. Products and prices change, so confirm with each vendor before you decide.

• 49 U.S.C. 30102: definitions, including covered rental vehicle and rental company (Cornell LII)
• 49 U.S.C. 30120: remedies, including (i) rental companies (Cornell LII)
• Automotive Fleet: Safe Rental Car Act passes as part of highway bill (January 2016)
• NHTSA: check for recalls by VIN
• IRS: standard mileage rates (2026)
• Uber for Business: Vouchers