Pontiac Bonneville extended warranty
The Pontiac Bonneville is a sedan that was offered with a gas engine. Here's what the factory warranty covers, what it leaves out and what to look for in a plan.
- BodySedan
- PowertrainGas engine
- StatusNo longer sold new
Worth covering
Parts to check in a Bonneville plan
- EngineThe engine block, cylinder heads and the internally lubricated parts inside them: pistons, crankshaft, camshafts, timing chain, oil pump and valve train.
- TransmissionThe transmission case and internal parts, the torque converter, valve body and, on most plans, the transmission control module. Automatic, manual, CVT and dual-clutch units are all eligible.
- Air conditioningThe compressor, clutch, condenser, evaporator, receiver-drier and expansion valve.
Pontiac Bonneville factory warranty
Pontiac was a discontinued General Motors brand, and US sales ended around 2010. Every Pontiac Bonneville on the road is long past its factory warranty, so any mechanical failure is paid out of pocket unless a service contract is in place. Age and mileage limits differ by provider, and older vehicles may qualify only for powertrain-level coverage.
Why body style matters
Sedans are the least demanding body style mechanically. There is one driven axle on most, no transfer case and less weight for the brakes and suspension to manage, so plan prices are usually at the lower end.
Naturally aspirated gas engine
A conventional gas engine has no turbocharger, which removes one expensive part. The costly failures are internal: timing chain components, head gaskets, oil pumps and, on direct-injection engines, the high-pressure fuel pump. Powertrain-level plans cover these internally lubricated parts.
Choose your coverage
Plan levels for the Bonneville
The parts that make the car move, and the most expensive to replace.
Powertrain plus the major named systems.
Exclusionary coverage: everything except a short list of exclusions.
From the blog
Reading for Pontiac Bonneville owners
- Brand guidesOwning a Discontinued Brand: Pontiac, Saturn, Mercury and ScionPontiac, Saturn, Mercury and Scion are gone, but their cars are still on the road. Here is how to handle parts, service and coverage today.4 min read
- Repairs and costsTiming Chain Problems: Symptoms and CausesLearn the warning signs of a stretched or failing timing chain, what causes it, why repairs are labor-heavy, and how service contracts may treat it.4 min read
- Repairs and costsHead Gasket Failure ExplainedWhat a head gasket does, the warning signs of failure, why it happens, what repairs involve and how extended warranties often treat it.4 min read
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FAQs
Frequently asked questions
Is the Pontiac Bonneville eligible for extended coverage?
Eligibility depends on the vehicle's year and mileage, and each provider sets its own limits. Because the Bonneville is no longer sold new, older examples may qualify only for powertrain-level plans.
Which coverage level fits a Pontiac Bonneville?
If the gas engine and transmission are your main concern, a powertrain plan covers them. If you also want air conditioning, electrical parts and electronics covered, look at a mid-level or comprehensive plan.
How much does a Pontiac Bonneville extended warranty cost?
Price depends on the model year, mileage, coverage level, deductible and your ZIP code. Request a quote with your details for an actual price.