Audi A4 B8 RS4
Model overview
A comfortable executive car with a well-finished cabin. Gearbox choice, ageing electronics and the selected engine make a substantial difference to ownership.
Pros
- High-quality interior
- Relaxed motorway comfort
- Stable road manners
Cons
- Complex electrical equipment
- Automatic gearbox costs vary by type
- Premium servicing costs
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Electrical and infotainment faultsMedium
- Suspension wearMedium
- Automatic gearbox faults on affected versionsHigh
Maintenance
Use the correct schedule and fluids for the fitted engine and transmission.
Engine overview · 4.2L 8-cyl PETROL
A charismatic naturally aspirated V8 with strong performance, but ownership depends heavily on specialist servicing and evidence that expensive timing and direct-injection maintenance has not been deferred.
Pros
- Distinctive naturally aspirated V8 character
- Strong performance and refined delivery
Cons
- Potentially expensive timing-system repairs
- Direct-injection deposit risk
- High servicing demands
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Direct-injection intake-valve depositsMedium
- Timing-chain and tensioner wearHigh
- Oil-consumption variationMedium
Maintenance
Use the VIN-specific service schedule and correct oil specification; monitor oil level and address unusual noise or oil use promptly.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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