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Audi A6 C4 2.8L

1994–1997 · Avant · Sedan
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Version
Engine
2.8L 6-cyl · Petrol
Power
174 HP
Torque
249 Nm
Transmission
AUTOMATIC
Drive
FWD
0-100 km/h
10.2 sec
Top Speed
219 km/h
Fuel consumption
11.5 L/100km
Body
Sedan
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Model overview

The C4 A6 is a solid, comfortable older executive car, but condition varies widely. Corrosion, age-related electrical faults and overdue engine-specific maintenance deserve more attention than catalogue engine size alone.

Pros

  • Comfortable ride and strong long-distance manners.
  • Practical Sedan and Avant body choices.
  • Wide range of petrol and diesel engines.

Cons

  • Rust and water ingress can be costly.
  • Electrical and trim repairs may be time-consuming.
  • Maintenance needs differ substantially by engine and drivetrain.

Common problems & ownership concerns

Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.

  • Age-related corrosion and water ingressHigh
  • Electrical, instrument and central-locking faultsMedium
  • Worn suspension, steering and braking componentsMedium

Maintenance

Confirm servicing by VIN and engine code, especially timing-system, cooling-system and fluid requirements.

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Engine overview · 2.8L 6-cyl PETROL

Today, documented maintenance and overall age-related condition are especially important.

Pros

  • Smooth naturally aspirated V6 delivery.

Cons

  • Major engine-bay service work can be labour-intensive.
  • Cooling, sealing and electrical components are now age-sensitive.
  • Exact service requirements vary between V6 specifications.

Common problems & ownership concerns

Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.

  • Timing-belt service historyHigh
  • Age-related cooling-system deteriorationHigh
  • Oil leaks from ageing seals and gasketsMedium
  • Ignition and engine-management ageingMedium

Maintenance

Confirm the engine code and VIN-specific belt, fluid and spark-plug requirements; keep the cooling system and oil level under regular review.

These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.

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