Auto Warranty
Top Companies in 2026
MaxCare vs Onust
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- Coverage similar to factory’s bumper-to-bumper warranty
- $1.5 billion+ in claims paid since 2009 (3.8M+ customers)
- 24/7 roadside assistance included
- Rental car reimbursement for up to 7 days
- Cancel anytime with a pro-rated refund
- Transferable to new owner (fee applies)
- Roll into monthly car payment or pay upfront
- $0 deductible plan options
- Coverage accepted at licensed repair facilities nationwide
- Includes roadside assistance and rental benefits
- Strong BBB rating and accreditation
- Only available during a CarMax vehicle purchase, not after
- Independent shops may not accept MaxCare
- Pre-approval required for all repairs
- Maintenance items excluded (batteries, brakes, tires, wiper blades)
- Strict documentation requirements; DIY receipts often rejected
- Third-party administrators handle claims, not CarMax
- No online claims portal; phone support only
- No mobile app or live chat support
- Public contract sample not readily available
- Some concerns about coverage limit transparency in reviews
MaxCare is an extended vehicle service contract introduced by CarMax in 2009, available exclusively at the time of purchasing a vehicle through their dealership network. Unlike many third-party warranty providers that offer multiple plan tiers, MaxCare uses a single exclusionary coverage model, similar to a factory bumper-to-bumper warranty, covering most mechanical and electrical components except for a defined list of exclusions. Contracts are tailored to each vehicle, with coverage typically extending up to 75,000 to 150,000 total odometer miles. While CarMax facilitates the customer experience, the plans are administered by third-party providers such as Fidelity Warranty Services and CNA National Warranty Corporation. Key benefits include 24/7 roadside assistance, rental car reimbursement, transferable coverage, and flexible payment options, including rolling the cost into monthly financing. A $50 deductible discount is also offered when using CarMax service centers or RepairPal-certified shops. Customer feedback is mixed, with many reporting strong coverage for major repairs, while others cite delays, strict claim requirements, and challenges when working with independent repair facilities.
Onust Warranty is a vehicle service contract provider headquartered in Scottsdale, Arizona. Founded in 2023, they focus on extended coverage options for drivers seeking protection after their factory warranty expires. Their plans are available for many newer and used vehicles and feature benefits such as roadside assistance, rental car reimbursement, and nationwide repair facility access. One of their most notable features is unlimited mileage coverage, allowing eligible vehicles to remain covered without a mileage cap while the contract is active. They also offer exclusionary coverage options, which generally provide broader protection by covering most vehicle components except those specifically excluded in the agreement. Some plans are available with a $0 deductible, helping reduce out-of-pocket costs when covered repairs are approved. Onust Warranty holds an A+ rating and accreditation from the Better Business Bureau. Customer feedback is currently limited, with only a small number of reviews available across major platforms such as Trustpilot, Yelp, and the BBB. The available reviews generally praise customer service, claims support, and coverage value, though the low review volume makes it difficult to assess overall customer sentiment. Readers interested in long-term vehicle protection may want to explore the details of their coverage, costs, benefits, and contract terms more closely.
- BBB Rating : N/R (A- for CarMax)
- Maximum Mileage : 150,000 miles (varies by plan)
- Money-Back Guarantee : Available (pro-rated refund; fee may apply
- Number of Plans Available : 1
- Waiting Period : None for coverage; 30 days/1,000 miles for pre-existing conditions
- Operating Status : Active
- Deductible Range : $50–$300
- BBB Rating : A+
- Maximum Mileage : Unlimited miles
- Money-Back Guarantee : Available
- Number of Plans Available : 1
- Waiting Period : 30 days and 1,000 miles
- Operating Status : Active
- Deductible Range : $0
- $50 deductible discount at dealer’s service centers and RepairPal shops
- Available on any used car sold by CarMax, regardless of year, make, or mileage
- Over 670,000 rental cars loaned to customers since 2009
- No waiting period for coverage
- Unlimited mileage coverage with no mileage expiration
- Coverage remains active even as vehicles accumulate high mileage
- Designed for drivers who plan to keep their vehicles long term
- Coverage options that may suit both newer and older vehicles
- High-mileage—Undisclosed
- Exclusionary
- Powertrain—Undisclosed
- $0 deductible option
- Commercial/rideshare
- EV/hybrid components
- No waiting period
- Option with free maintenance benefits
- Transferable—Undisclosed
- High-mileage
- Exclusionary
- Powertrain
- $0 deductible option
- Commercial/rideshare
- EV/hybrid components
- No waiting period
- Option with free maintenance benefits—Undisclosed
- Transferable
- 24/7 roadside assistance
- Any licensed repair shop
- Direct shop payment
- In-network repair network
- Mobile app for claims
- Online claims portal—Undisclosed
- Trip interruption coverage
- 24/7 roadside assistance
- Any licensed repair shop
- Direct shop payment
- In-network repair network
- Mobile app for claims
- Online claims portal
- Trip interruption coverage
- Phone
- 24/7 customer support
- FAQs / Educational resources
- Live Chat
- Mobile Application
- Online quote without phone
- Sample contracts online
- Phone
- 24/7 customer support
- FAQs / Educational resources
- Live Chat
- Mobile Application
- Online quote without phone
- Sample contracts online
- Contract (lump-sum) payments
- Pay-in-full discount—Undisclosed
- Month-to-month payments
- Cancellation fee
- Multi-vehicle discount
- Price lock guarantee
- *Not all payment methods are available in all states
- *Some payment methods may incur additional fees
- Contract (lump-sum) payments
- Pay-in-full discount—Undisclosed
- Month-to-month payments
- Cancellation fee—Undisclosed
- Multi-vehicle discount—Undisclosed
- Price lock guarantee
- *Not all payment methods are available in all states
- *Some payment methods may incur additional fees
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