Audi A6 is more dynamic to drive. Audi A6 engine produces 29 HP more power than Audi A4, the torque is the same for both cars. Thanks to more power Audi A6 reaches 100 km/h speed 0.3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
8.1
7.5
Real fuel consumption:
8.7 l/100km
8.1 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Audi A6 consumes 0.6 litres more fuel per 100 km than the Audi A4, which means that if you drive 15,000 km in a year, the Audi A6 could require 90 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A6 consumes 0.6 litres more fuel per 100 km than the Audi A4.
Fuel tank capacity:
80 litres
63 litres
Full fuel tank distance:
980 km in combined cycle
840 km in combined cycle
1290 km on highway
1080 km on highway
910 km with real consumption
770 km with real consumption
Audi A6 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
4x4 - AWD (all-wheel-drive)
4x4 - AWD (all-wheel-drive)
Audi A6 2005: The vehicle features full-time Quattro IV all-wheel drive with Torsen center differential and electronic traction control, which operates at speeds up to 40 km/h (25 mph) and applies braking to spinning wheels, with the effect of locking the front and rear differentials.
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.
Audi A6 2006 3.0 engine: The camshaft is driven by a set of four chains, which means that replacement costs are high.
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.
