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Extended warranties for cars over 100k miles

Coverage is available for cars with up to 300k miles

Profile picture of Kathryn Parkman
by Kathryn Parkman ConsumerAffairs Research Team
CARCHEX, Endurance Auto Warranty, Protect My Car and CarShield
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An extended car warranty is a vehicle service contract that helps cover the cost to repair a vehicle with engine or transmission trouble, air conditioning failure, fuel system problems or other issues. You can purchase an extended warranty after a manufacturer warranty expires, which can be a good option for protecting a used or older car.

Are extended warranties on used cars worth it?

Buying a used car warranty can be worth the initial cost, especially if you don't have money to cover unexpected repairs. Even if you only use your extended warranty once, it may pay for itself. It’s similar to insurance: You may not use it, but you're glad you have it if you need it.

Let's say your used car needs a new transmission — would you rather be on the hook for $8,000 in labor, parts and taxes to replace it, or would you rather pay a $100 deductible required by an extended car warranty?

If you're behind the wheel of a car with 100,000 miles, you will likely have to contend with some basic maintenance issues. However, an extended auto warranty can help add years to the life of your car without breaking the bank when you're faced with an expensive repair.

auto repair cost infographic

What do extended auto warranties cover for used cars?

While warranty coverage varies based on the extended car warranty company you select, most companies provide coverage for the following on one or more plan levels:

  • Air conditioning
  • Audio systems
  • Axles
  • Driveshaft
  • Engine
  • Electrical components
  • Fuel systems
  • Transmission
  • Vehicle sensors
  • Wheels

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    Find the best high-mileage car warranties

    Many extended auto warranty companies offer high-mileage car warranties, but not all are the same. It pays to investigate what warranty coverage each car warranty company provides for drivers with cars that have more than 100,000 miles. Some companies offer 24/7 roadside assistance, towing costs, rental car coverage and reimbursement for lodging and meals in the event you're stranded away from home.

    Tires should be rotated every 3,000 to 6,000 miles.

    To choose our top picks, we started with a list of the 10 highest-reviewed auto warranty companies on our site and researched their mileage minimums and maximums, included and excluded vehicles and additional coverage options.

    From there, we narrowed the list down to only include companies that had an overall satisfaction rating of at least 3 stars. Our final five companies all received primarily positive reviews, cover vehicles with at least 100,000 miles and offer additional features, such as towing.

    Our pick for personalization

    CarShield

    Carshield logo
    Logo
    • Mileage: Up to 200,000
    • Number of plans: 6
    • Features: Towing, rental car reimbursement, money-back guarantee

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    CarShield's Power Train Plus

    This contract covers major and minor vehicle parts, including the engine, water pump, transmission, alternator, starter, air conditioning and power windows. It also offers a cancellation option, a monthly payment plan, free towing, rental car reimbursement and a money-back guarantee.

    Our pick for higher-mileage vehicles

    Protect My Car

    Protect My Car logo
    Logo
    • Mileage: Up to 300,000
    • Number of plans: 3
    • Features: Roadside assistance, money-back guarantee

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    Protect My Car Ambassador Elite

    Protect My Car offers three traditional extended warranty plans and its Ambassador Policy, which offers a different kind of coverage for cars with up to 300,000 miles. The company offers flexible payment terms, meaning you’re not stuck with an upfront fee. You can pay your policy off with terms up to 48 months. This flexibility makes Protect My Car worth a look if you’re on a budget. All policies include a 30-day money-back guarantee and come with 24/7 roadside assistance.

    Our pick for coverage options

    American Auto Shield

    American Auto Shield logo
    Logo
    • Mileage: Up to 250,000
    • Number of plans: 8
    • Features: Roadside assistance, rental car reimbursement, trip interruption insurance

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    American Auto Shield Platinum

    This plan for cars with 100,000 to 250,000 miles covers all your car's most expensive parts, such as the transmission, electrical system, drive axle and engine. The vehicle service contract also includes roadside assistance, rental car reimbursement and motel and restaurant expense coverage.

    Our pick for driver perks

    CARCHEX

    Carchex logo
    Logo
    • Mileage: Up to 250,000
    • Number of plans: 5
    • Features: Trip interruption insurance, towing, rental car reimbursement, roadside assistance

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    CARCHEX Silver

    This plan provides notable extras for drivers, including 24/7 roadside assistance, towing, rental car reimbursement, gas delivery and trip interruption service. The Silver package covers your car's engine, transmission, drive axle, electrical, air conditioning and steering.

    Our pick for targeted coverage

    Endurance

    Endurance logo
    Logo
    • Mileage: Up to 200,000
    • Number of plans: 6
    • Features: Rental car reimbursement, discounts, personal concierge

    Learn More

    Endurance Warranty Select Premier

    Endurance’s Select Premier coverage protects all the critical components of high-mileage cars. This includes the engine, drive axle, fuel system, air conditioning, electrical system, seals and gaskets.

    Compare extended auto warranty mileage limits

    Mileage limits vary between extended auto warranty companies. Check your vehicle’s odometer for its current mileage and compare it against the table below to see your coverage options.

    CompanyCoverage limitCustomer satisfaction
    CarShield200,000 milesRead reviews
    Protect My Car300,000 milesRead reviews
    American Auto Shield300,000 milesRead reviews
    CARCHEX250,000 milesRead reviews
    Endurance200,000 milesRead reviews

    Car maintenance for vehicles over 100k miles

    While it may cover many of the most costly components of your car, a car warranty won't cover everything. Many warranties also require you to perform regular maintenance to prevent voiding your service contract, which may include:

    • Oil changes at the recommended mileage
    • Regular tire rotations
    • Changing filters and spark plugs
    • Maintaining a regular vehicle service schedule
    • Changing engine coolant and hydraulic oils
    • Checking the battery and replacing when needed
    • Fixing minor issues before they get worse

    Each auto warranty may have its own definition of what regular maintenance means, so read the fine print of your service contract carefully.

    Extended warranties for cars over 100K miles FAQ

    How often should my tires be rotated?
    It is a good rule of thumb to have your tires rotated every 3,000 to 5,000 miles. Rotating your tires evens out the wear pattern, helping your tires last longer.
    How often should I get an oil change?
    With most vehicles, it is a good idea to get your oil changed roughly twice a year. If you want to be more precise, you can time your oil changes by your mileage. Some vehicles need an oil change every 3,000 miles, but many can now go 5,000 to 7,500 miles or longer between services.
    How often should I get a tuneup?
    Tuneup schedules vary, depending on your vehicle’s age and how much you drive. Newer cars require a tuneup roughly every 30,000 to 100,000 miles, while older cars with carburetors might require a tuneup every 10,000 miles or so. Some signs that your car might need a tuneup are poor fuel efficiency, the engine misfiring or the “check engine” light turning on.
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    Bottom line

    If you don't want to spring for a new car and already have a high-mileage vehicle with an expired manufacturer's warranty or are looking to buy a pre-owned vehicle from a car dealership, an extended car warranty may be worth it.

    After a factory warranty expires, buying a third-party warranty from an extended warranty provider helps protect your wallet from costly repairs. There are many reputable extended car warranty services — just make sure you understand your extended warranty options and the type of warranty you want, whether it's a bumper-to-bumper warranty, a powertrain warranty, a drivetrain warranty or any number of other options.

    We recommend an extended car warranty for cars with more than 100,000 miles if you own a quality vehicle designed to stand the test of time and are dedicated to maintaining it.

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    Profile picture of Kathryn Parkman
    by Kathryn Parkman ConsumerAffairs Research Team

    As a member of the ConsumerAffairs Research Team, Kathryn Parkman believes everyone deserves easy access to accurate and comprehensive information on products and businesses before they make a purchase, which is why she spends hours researching companies and industries for ConsumerAffairs. She believes conscious consumption is everyone's responsibility and that all content deserves integrity.