EngineHigh
3.6 V6 timing chain stretch on high-mileage cars
- Typically appears
- 100,000 miles
- What to inspect
- Listen for a rattle on cold start and check for engine light
- Typical repair
- Timing chain, tensioner & guides · £900–£2,400
Is the 2014–2020 Chevrolet Impala reliable?
Scored from 6 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
7.1/ 10
SolidOn our documented-fault scoring the Chevrolet Impala rates 7.1 out of 10 · solid. We hold 6 known faults for it and 1 are rated high severity, so the risk is real but contained. The weak points cluster around transmission, electrical and engine. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.
Verdict · Buy, but check the known weak points
What the score is built from
- Critical
- 0
- High
- 1
- Medium
- 2
- Low
- 3
Weak points cluster around transmission, electrical, engine, steering.
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Build the inspection planThe faults that decide it
TransmissionMedium
Six-speed automatic harsh shifting and shudder
- Typically appears
- 70,000 miles
- What to inspect
- Feel for clunks and shudder between gears
- Typical repair
- Routine repair · £180–£700
SteeringMedium
Electric power steering warning and heavy steering
- Typically appears
- Age-related
- What to inspect
- Check for a steering warning on the dash
- Typical repair
- Steering rack / column repair · £400–£1,500
ElectricalLow
MyLink infotainment screen freezing and camera faults
- Typically appears
- Age-related
- What to inspect
- Test the screen and backup camera
- Typical repair
- Infotainment repair or software fix · £120–£1,200
BodyLow
Water leaks into the trunk from rear light seals
- Typically appears
- Age-related
- What to inspect
- Check the trunk floor for damp
- Typical repair
- Water-ingress trace & seal · £150–£800
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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