Auto Warranty
Top Companies in 2026
Chaiz vs Diamond Warranty
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- Strong customer ratings on Trustpilot and BBB
- No phone number required to receive quotes
- Coverage available for many older and high-mileage vehicles
- Fully online quote and purchasing process
- Compare multiple vehicle service contract providers in one place
- Contracts backed by AmTrust Financial Services
- Available through a nationwide network of dealerships
- Multiple coverage levels ranging from powertrain to exclusionary protection
- Additional benefits available, including roadside assistance and rental reimbursement
- Nearly two decades of experience in the vehicle service contract industry
- Coverage terms and benefits vary significantly between providers
- Not available in every state, including California
- Claims are handled by third-party administrators, not the marketplace
- Some customer complaints involve claim disputes and refund delays
- Detailed sample contracts are difficult to access before purchase
- Mixed customer reviews with recurring complaints about claims and communication
- Limited digital tools, with no mobile app or live chat support
Founded in 2021 and headquartered in Austin, Texas, Chaiz is a vehicle service contract marketplace that helps drivers compare coverage options from multiple providers through a single online platform. Rather than administering their own contracts, they connect consumers with third-party vehicle protection companies, allowing shoppers to compare plans, pricing, deductibles, and benefits before making a purchase. Coverage options typically range from basic powertrain protection to more comprehensive plans that cover a broader range of mechanical and electrical components. Depending on the provider selected, customers may also have access to benefits such as roadside assistance, rental car reimbursement, and trip interruption coverage. One of the company's most distinctive features is their fully online shopping experience, which allows users to obtain quotes and purchase coverage without speaking to a sales representative. The company has built a strong online reputation in a relatively short period, earning an A+ rating and accreditation from the Better Business Bureau as well as high customer ratings on Trustpilot. While many reviewers praise the platform's transparency and ease of use, experiences can vary because claims and contract administration are handled by the third-party provider backing the selected plan. This review takes a closer look at their coverage options, pricing, customer experience, and overall value.
Diamond Warranty is a Pennsylvania-based vehicle service contract provider founded in 2006. Operating through a nationwide network of dealerships, they offer several levels of protection designed to help drivers manage repair expenses after factory warranties expire. Their plans range from basic powertrain coverage to broader exclusionary contracts, with options for used vehicles, certified pre-owned models, and drivers seeking long-term protection.
Many contracts are backed by AmTrust Financial Services and may include benefits such as roadside assistance, rental car reimbursement, and trip interruption coverage. The company focuses on dealer-distributed service contracts rather than direct online sales, which means pricing and contract details often vary by vehicle and dealership. Diamond Warranty maintains an A+ rating from the Better Business Bureau, though they are not BBB accredited.
Customer feedback across review platforms is mixed, with experiences ranging from praise for responsive representatives and straightforward claims to complaints involving coverage disputes and communication challenges. With nearly two decades in the industry and a diverse selection of plans, the provider offers several features worth examining more closely before making a decision.
- BBB Rating : A+
- Maximum Mileage : Up to 200,000 miles
- Money-Back Guarantee : Available
- Number of Plans Available : 3 tiers of plans
- Operating Status : Active
- BBB Rating : N/R (unaccredited)
- Maximum Mileage : Up to 100,000 miles
- Number of Plans Available : 6
- Operating Status : Active
- Deductible Range : Quote-based
- Side-by-side comparison shopping for vehicle service contracts
- Purchase coverage online without interacting with sales representatives
- Pay-in-full discount advertised directly through the platform
- Marketplace model that offers plans from multiple administrators rather than a single provider
- Most plans begin on day one and mile one rather than requiring a standard waiting period
- Specialized coverage options for certified pre-owned vehicles and long-term 5-year/100,000-mile powertrain protection
- Dealer-focused distribution model that allows coverage to be bundled into vehicle financing
- Broad plan portfolio that includes both stated-component and exclusionary coverage levels
- High-mileage
- Exclusionary
- Powertrain
- $0 deductible option
- Commercial/rideshare—Undisclosed
- EV/hybrid components
- No waiting period
- Option with free maintenance benefits
- Transferable
- High-mileage
- Exclusionary
- Powertrain
- $0 deductible option—Undisclosed
- Commercial/rideshare
- EV/hybrid components
- No waiting period—Undisclosed
- Option with free maintenance benefits
- 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—Undisclosed
- 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—Undisclosed
- 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—Undisclosed
- Pay-in-full discount
- Month-to-month payments
- Cancellation fee—Undisclosed
- Multi-vehicle discount—Undisclosed
- Price lock guarantee—Undisclosed
- Not all payment methods are available in all states
- Some payment methods may incur additional fees
- Contract (lump-sum) payments
- Pay-in-full discount
- Month-to-month payments
- Cancellation fee—Undisclosed
- Multi-vehicle discount
- Price lock guarantee
- *Not all payment methods are available in all states
- *Some payment methods may incur additional fees
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