The wagon generally has more cargo space due to a larger trunk door opening, a roof that extends as far back as possible, and the ability to convert the rear of the passenger compartment into cargo space. Sedans tend to be quieter than wagons due to a more isolated rear area.
Gearbox:
Automatic
Automatic
Engine:
3.7 Petrol
4.2 Petrol
Performance
Power:
230 HP
300 HP
Torque:
315 NM
400 NM
Acceleration 0-100 km/h:
9.1 seconds
7.1 seconds
Audi A6 is a more dynamic driving. Audi A8 engine produces 70 HP less power than Audi A6, whereas torque is 85 NM less than Audi A6. Due to the lower power, Audi A8 reaches 100 km/h speed 2 seconds later.
Fuel consumption
Fuel consumption (l/100km):
13.0
13.1
Audi A8 consumes 0.1 litres less fuel per 100 km than the Audi A6, which means that by driving the Audi A8 over 15,000 km in a year you can save 15 litres of fuel.
Fuel tank capacity:
90 litres
82 litres
Full fuel tank distance:
690 km in combined cycle
620 km in combined cycle
1000 km on highway
850 km on highway
Audi A8 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
All wheel drive (AWD, 4x4)
4x4 - AWD (all-wheel-drive)
Dimensions
Length:
5.03 m
4.83 m
Width:
1.88 m
1.85 m
Height:
1.44 m
1.48 m
Audi A8 is larger, but slightly lower. Audi A8 is 20 cm longer than the Audi A6, 3 cm wider, while the height of Audi A8 is 4 cm lower.
Trunk capacity:
525 litres
455 litres
Audi A8 has more luggage capacity. Audi A8 has 70 litres more trunk space than the Audi A6.
Turning diameter:
12.3 meters
11.7 meters
The turning circle of the Audi A8 is 0.6 metres more than that of the Audi A6, which means Audi A8 can be harder to manoeuvre in tight streets and parking spaces.
Audi A8 has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Audi A6, so Audi A8 quality could be a bit better.