Audi A4 is a more dynamic driving. Audi A6 engine produces 46 HP less power than Audi A4, whereas torque is 50 NM less than Audi A4. Due to the lower power, Audi A6 reaches 100 km/h speed 1.1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
8.8
10.7
Real fuel consumption:
10.7 l/100km
11.1 l/100km
The Audi A6 is a better choice when it comes to fuel economy. By specification Audi A6 consumes 1.9 litres less fuel per 100 km than the Audi A4, which means that by driving the Audi A6 over 15,000 km in a year you can save 285 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 A4.
Fuel tank capacity:
70 litres
63 litres
Full fuel tank distance:
790 km in combined cycle
580 km in combined cycle
1070 km on highway
790 km on highway
650 km with real consumption
560 km with real consumption
Audi A6 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Front wheel drive (FWD)
4x4 - AWD (all-wheel-drive)
Audi A4 2004: The vehicle features full-time Quattro IV all-wheel drive with Torsen center differential and electronic traction control that operates at speeds up to 40 km/h and applies brakes to spinning wheels, with the effect of locking the front and rear differential.
Engines
Average engine lifespan:
350'000 km
360'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
4 years
6 years
Engine spread:
Used also on Audi A8
Used also on Audi A6
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Audi A4 2004 3.1 engine: The engine is prone to piston ring sticking and oil consumption, often requiring replacement of the pistons with forged ones. Frequent oil changes can help mitigate this issue, as can occasional high-speed ... More about Audi A4 2004 3.1 engine
Dimensions
Length:
4.93 m
4.59 m
Width:
1.86 m
1.77 m
Height:
1.46 m
1.43 m
Audi A6 is larger. Audi A6 is 34 cm longer than the Audi A4, 9 cm wider, while the height of Audi A6 is 3 cm higher.
Trunk capacity:
565 litres
442 litres
Audi A6 has more luggage capacity. Audi A6 has 123 litres more trunk space than the Audi A4.
Turning diameter:
12 meters
11.1 meters
The turning circle of the Audi A6 is 0.9 metres more than that of the Audi A4, which means Audi A6 can be harder to manoeuvre in tight streets and parking spaces.
Audi A4 has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Audi A6, so Audi A4 quality could be a bit better.
