Audi A6 2005 vs Audi A8 2004

 
Audi A6
2005 - 2006
Audi A8
2004 - 2007
Gearbox: ManualAutomatic
Engine: 3.0 Diesel3.0 Diesel
Camshaft drive: Timing chainTiming chain

Performance

Power: 225 HP233 HP
Torque: 450 NM450 NM
Acceleration 0-100 km/h: 7.1 seconds7.8 seconds
Audi A6 engine produces 8 HP less power than Audi A8, the torque is the same for both cars. Despite less power, Audi A6 reaches 100 km/h speed 0.7 seconds faster.

Fuel consumption

Fuel consumption (l/100km): 7.98.4
Real fuel consumption: 8.5 l/100km8.9 l/100km
The Audi A6 is a better choice when it comes to fuel economy.
By specification Audi A6 consumes 0.5 litres less fuel per 100 km than the Audi A8, which means that by driving the Audi A6 over 15,000 km in a year you can save 75 litres of fuel.
By comparing actual fuel consumption based on user reports, Audi A6 consumes 0.4 litres less fuel per 100 km than the Audi A8.
Fuel tank capacity: 80 litres90 litres
Full fuel tank distance: 1010 km in combined cycle1070 km in combined cycle
1330 km on highway1400 km on highway
940 km with real consumption1010 km with real consumption
Audi A8 gets more mileage on one fuel tank.

Drive type

Wheel drive type: 4x4 - AWD (all-wheel-drive)All wheel drive (AWD, 4x4)

Engines

Average engine lifespan: 470'000 km460'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration: 3 years7 years
Engine spread: Used also on Volkswagen PhaetonInstalled on at least 2 other car models, including Audi A6, Audi A4
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Audi A8 might be a better choice in this respect.

Dimensions

Length: 4.92 m5.05 m
Width: 1.86 m1.89 m
Height: 1.46 m1.44 m
Audi A6 is smaller, but slightly higher.
Audi A6 is 13 cm shorter than the Audi A8, 3 cm narrower, while the height of Audi A6 is 2 cm higher.
Trunk capacity: 546 litres500 litres
Audi A6 has more luggage capacity.
Even though the car is shorter, Audi A6 has 46 litres more trunk space than the Audi A8. The Audi A8 may have more interior space, so the cabin could be more spacious and more comfortable for the driver and passengers.
Turning diameter: 12 meters12.1 meters
The turning circle of the Audi A6 is 0.1 metres less than that of the Audi A8.
Gross weight (kg): 2`3252`430
Safety: no data
Quality:
high

high
Audi A8 has fewer problems.
According to annual technical inspection data Audi A6 has serious deffects in 25 percent more cases than Audi A8, so Audi A8 quality is probably significantly better
Average price (€): 38004800
Pros and Cons: Audi A6 has
  • more dynamic
  • lower fuel consumption
  • roomier boot
  • lower price
Audi A8 has
  • more full fuel tank mileage
  • fewer faults
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