The Audi A6 C6 Avant 2.0 TDI 140HP manual uses 0.2 l fewer in the mixed cycle in relation to the BMW 3-Series E90 Limousine E90 320d 150HP manual. The difference in the amount of 4 percent is not realy noticeable. However during a longer period of time it would allow you to make a real savings.
The Audi A6 C6 consumes 0.9 l fewer while driving inside city in relation to the BMW 3-Series E90. The difference in the amount of 12 percent is not very appreciable in everyday usage of the car but within a several months it can generate a real savings.
Maximal torque RPM
A greater range and a lower value of revolutions at which the highest torque is delivered has an impact on an engine’s performance. However, in order to eliminate engines drawbacks like e.g. turbo lug, it is always recommended to check a torque performance graph.
The width of the car influences on passanger's inner room as well as stability of driving. The Audi A6 C6 is 36 millimeters wider in comparison to the BMW 3-Series E90 Limousine E90. It is often clearly perceptible by those sitting in front, who have more room for their elbows.
The BMW 3-Series E90 Limousine E90 320d 150HP manual loses with the Audi A6 C6 in the aspect of fuel tank size. The Audi is able to take by 11 percent more fuel than its rival.
The Audi A6 C6 Avant has 3 percent longer wheelbase than BMW 3-Series E90 Limousine E90 320d 150HP manual. Thanks to this the Audi A6 C6 Avant is more safe and has a better stability. What is more, longer wheelbase has impact on convenient and more comfortable riding.
The Audi is 413 mm longer in comparison to the BMW 3-Series E90 Limousine E90 320d 150HP manual. The length of the vehicle is significant in terms of travelling comfort and space in the boot. The Audi very likely will be offering to it's users more room for legs. Aditionally the Audi A6 C6 Avant will be better driven but the BMW 3-Series E90 Limousine E90 320d 150HP manual will be a slightly easier to park due to shorter length .
Number of doors
A five-door car usually is a hatchback and for that reason the Audi, which whole rear including the window lifts up and the rear seats folds flat giving more space for cargo, has an advantage over the 4-door BMW which is less comfortable to load and unload baggage.
If you are a tall man or you tend to carry in the trunk thinks of large dimensions, the Audi A6 C6 Avant 2.0 TDI 140HP manual, which is by 3 % higher than the BMW 3-Series E90, is appropriate choice for you. However, these two cars do not differ much in its height and it should not be much noticeable.