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As cars age, parts wear out and auto repairs become more frequent. An extended warranty for cars over 100k miles can help you keep your vehicle in good shape for years to come.

Our team has reviewed the best extended car warranty companies, and a number of them offer comprehensive coverage plans designed specifically for high-mileage vehicles. If you’re thinking about purchasing an extended warranty for a car with more than 100,000 miles, we recommend getting quotes from multiple warranty providers to compare your options.

Why Trust Our Review Team Our review team has spent hundreds of hours researching car warranty companies to help consumers choose the best coverage for their vehicles. Writers and editors evaluate each brand based on industry data and real customers’ experiences, meeting high editorial standards to keep readers informed.
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Are Extended Warranties Worth It For High-Mileage Cars?

Unless you have savings set aside to cover car repairs, extended warranties can be worth it for high-mileage cars. Once your car passes 100,000 miles, any number of things can start to go wrong. That’s why manufacturer warranty coverage rarely lasts that long in the first place.

You don’t have to purchase a plan that covers everything, but it could be a good idea to have at least a basic powertrain plan to cover the most expensive repairs. Here are a few average repair costs, according to RepairPal:

  • Steering gearbox replacement: $905 to $1,095
  • Transmission replacement: $5,092 to $5,291
  • Head gasket replacement: $1,853 to $2,149

An extended warranty for cars over 100,000 miles can cover a costly repair bill, while you just pay a deductible to the repair facility. Extended warranties and vehicle protection plans cover mechanical breakdowns, but not wear and tear, scheduled service, or preventative maintenance. Read the fine print about exclusions thoroughly so you know exactly what’s covered.

What Are The Best Extended Auto Warranty Companies For Cars Over 100K Miles?

If your vehicle is dependable and still going strong after the 100,000-mile mark, you may want to protect it for peace of mind in the years to come. Here are the top third-party companies that provide extended warranties for cars over 100,000 miles.

Extended Warranty Company

Maximum Coverage

Best Plan for Cars with High Mileage


250,000 miles


#2 Endurance

200,000+ miles

Select Premier

#3 CarShield

200,000 miles


#4 ForeverCar

Unlimited miles


#5 Olive

Unlimited miles

Powertrain Plus

Let’s take a closer look at our top three extended warranty providers for high-mileage vehicles.

#1 CARCHEX: Best For Used Cars

We think CARCHEX offers the best extended warranty for cars with over 100k miles. The extended auto warranty company can cover vehicles with up to 250,000 miles, and owners of older cars have a few coverage options to choose from. Here are some details about CARCHEX:

  • Reputation: CARCHEX has been in business for more than 20 years. It has an A+ rating and accreditation from the Better Business Bureau (BBB), and it’s endorsed by Kelley Blue Book,, CARFAX, and more.
  • Cost: We found that the average cost for an extended warranty is about $812 per year of coverage. The CARCHEX quotes we received were more affordable at an average of $601 per year of coverage. The company offers monthly payment plans for all automotive extended warranties.
  • Customer experience: CARCHEX has 2.9 out of 5.0 stars on Trustpilot and very few complaints on the BBB.


CARCHEX offers the following plans: 


What It Covers


Exclusionary plan that covers almost any mechanical or electrical part


High-level plan that covers parts on all systems of the car


Covers hundreds of parts on most major systems


Covers the powertrain plus a few major systems


Covers the engine, drive axle, and transmission


The Gold plan from CARCHEX is the company’s best extended warranty for cars over 100k miles. With this plan, you can cover your vehicle for up to 10 years, depending on the contract. In detail, the Gold plan covers:

  • Engine
  • Transmission
  • Cooling system
  • Transfer unit
  • Drive axle
  • Electrical
  • Steering
  • Air conditioning
  • Suspension
  • Braking system
  • High-tech
  • Turbocharger
  • Seals and gaskets for covered parts

CARCHEX also offers some optional upgrades on the Gold plan:

  • Luxury Electronics Package: Covers parts like sunroof motors, LCD screens, and navigation systems
  • Emissions Package: Covers a variety of air and fuel sensors in the emissions system
  • Market Labor Rate Option: Removes the $100-per-hour cap on the market mechanical labor rate that normally comes on each plan

CARCHEX Benefits

CARCHEX offers the following perks with each plan, including the Gold extended warranty for cars over 100k miles:

  • Towing service
  • Roadside assistance
  • Choice of repair shop
  • Trip interruption reimbursement
  • Choice of licensed repair shop (must be certified by the National Institute for Automotive Service Excellence)

You can read more about the company in our CARCHEX warranty review.

#2 Endurance: Best Coverage

Endurance is a reputable extended car warranty company that is also a direct provider, which means it handles the entire process from purchase to claims. Here are a few details about Endurance that make it a great choice for an extended warranty for cars over 100,000 miles:

  • Reputation: Endurance has been in business since 2006. It sells extended warranties directly to consumers online and through a network of dealerships. The company has a B- rating from the BBB, which is mostly based on its marketing practices.
  • Cost: The Endurance quotes we received came in below the average price at $580 per year. The company offers a 30-day money-back guarantee if you are not satisfied with your coverage.
  • Customer experience: Endurance has a large number of positive reviews for its customer service on the BBB website, and it has a 4.0-star rating out of 5.0 from customers on Trustpilot.

Endurance Plans

Endurance offers the following plans: 

Endurance Plan

What It Covers


Bumper-to-bumper warranty plan that covers almost any mechanical or electrical part


Highest level of component coverage for most systems of the car

Secure Plus

Covers the main systems of the car and has a shorter waiting period than other plans

Select Premier

Covers the powertrain plus parts on a few more systems


Most affordable coverage option for the powertrain only


Combines extended warranty and maintenance coverage

Endurance Select Premier Plan

Endurance’s best extended warranty for cars over 100k miles is the Select Premier plan. You can qualify for this warranty if you have up to 150,000 miles on the odometer. Endurance designed this plan to protect crucial components like the engine and transmission plus important systems such as the air conditioning. Here are all of the systems covered:

  • Air conditioning
  • Brakes
  • Drive axle
  • Electrical components
  • Engine
  • Steering
  • Transfer case
  • Transmission
  • Turbo/supercharger

EnduranceAdvantage Plan

With Endurance, there’s also another good option for vehicles with over 100k miles: the EnduranceAdvantage plan. This plan combines mechanical breakdown coverage and regular maintenance. It’s broken into three sub-plans: Prime, Plus, and Preferred. All can cover vehicles over 100k miles, but the Prime plan covers older vehicles no matter the mileage when the plan starts. Plans differ in the types of components covered, but they all offer the same maintenance benefits.

EnduranceAdvantage covers regular maintenance, including:

  • Oil changes
  • Engine diagnostic exams
  • Alignment checks
  • Safety inspections
  • Tire rotations

It also includes one-off services:

  • Brake pad replacement
  • Cooling system maintenance
  • Front or rear wiper blade replacement
  • Battery replacement
  • One scheduled service coverage

Endurance Elite Benefits

All Endurance customers get one free year of Endurance Elite Benefits. This program includes:

  • Total loss protection
  • Tire repair/replacement
  • Key fob replacement
  • Collision discount
  • Endurance mobile app

Additionally, Endurance warranty plans come with the following benefits for the entire coverage period:

  • Roadside assistance
  • Rental car coverage
  • Trip interruption reimbursement

You can discover more about the provider in our Endurance warranty review.

#3 CarShield: Best Monthly Payments

CarShield is a great option for those looking to keep their expenses under control. It can cover cars with up to 300,000 miles, and the company is the most popular provider we’ve reviewed. CarShield offers everything from basic powertrain coverage to bumper-to-bumper-style plans. Here are a few details about CarShield:

  • Reputation: CarShield has been featured on ESPN, HGTV, CNN, and more. This third-party warranty provider has been around since 2005 and has paid out millions in claims over that time. It has received some negative feedback for using aggressive warranty expiration notices to market its product in the past.
  • Cost: The CarShield quotes we received were among the highest of any provider in our research. Coverage costs about $1,500 per year, but monthly payments are lower than other providers.
  • Customer experience: CarShield has a 4.0-star rating out of 5.0 from over 33,700 reviews on Trustpilot and a 4.2-star rating out of 5.0 from over 12,100 reviews on Google. It is the most-reviewed company we’ve researched.

CarShield Plans

CarShield offers the following plans: 

CarShield Plan

What It Covers


Factory-level bumper-to-bumper plan for over 1,000 parts


Covers hundreds of parts on all major systems


Mid-tier option that covers the powertrain plus a few more systems


Basic and affordable powertrain plan


Specialty coverage for high-tech components

Motorcycle & ATV

Platinum and Silver plans available for alternative vehicles

CarShield Gold Plan

CarShield’s best extended warranty for cars over 100k miles is the Gold plan. This plan covers important components far beyond 100,000 miles, including:

  • Engine
  • Transmission
  • Turbocharger
  • Cooling system (including the water pump)
  • Transfer unit
  • Drive axle
  • Air conditioning
  • Electrical system
  • Fuel system
  • Seals and gaskets for covered repairs

CarShield Benefits

As your car goes beyond 100,000 miles, the chance of a breakdown increases. That makes the extra benefits that come with an extended warranty even more valuable. CarShield offers the following on its plans:

  • Roadside assistance
  • Trip interruption reimbursement
  • Rental car reimbursement

You can read more about the company in our CarShield review.

Compare Your Extended Warranty Options

If you’re thinking about buying an extended warranty, it’s a good idea to look at multiple plans. All the companies we’ve reviewed here offer reputable extended warranties for cars over 100,000 miles. The next step is to get free quotes from a few extended warranty companies so you can compare coverage and prices.

Frequently Asked Questions

How We Rate Warranty Providers

Our review process aims to deliver consistent and unbiased assessments of extended auto warranty providers. While there are multiple qualities that make a warranty company successful, our review team focuses on those we believe are the most important for consumers:

  • Cost: Cost can be difficult to compare between providers because so many factors impact vehicle service contract pricing. To determine our cost score, we perform a secret shopper analysis for a variety of vehicles and plans and consider available deductibles.
  • Coverage: Our team of experts looks at the number of extended warranty plans available, as well as term limits, exclusions, and added benefits like roadside assistance. Ratings also take into account the availability of maintenance coverage.
  • Reputation: It’s important that an extended car warranty company is able to meet its claims obligations. Companies with a strong rating from the BBB score well in this category. Established providers with a long history of reliable service also receive positive marks.
  • Customer Experience: We listen to real customer sales calls and comb through reviews on sites like the BBB to learn about customer experiences. Warranty companies with a low volume of complaints score well in this area. We also consider the availability of mobile apps and chat features.

*Data accurate at time of publication

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