Diesel (BMW 4 series) engines typically outperform gasoline engines in terms of fuel efficiency and low-end torque. This makes them more economical and better suited for towing or long-distance travel. However, gasoline (Audi S5) engines mostly are lighter, quieter, and offer better acceleration and responsiveness, especially in smaller vehicles. For more information, see the article "Diesel or Petrol: Fuel Economy and Key Differences."
BMW 4 series engine produces 41 HP less power than Audi S5, but torque is 130 NM more than Audi S5. Due to the lower power, BMW 4 series reaches 100 km/h speed 0.1 seconds later.
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
17 years
9 years
Engine spread:
Installed on at least 8 other car models, including BMW 5 sērija, BMW 3 sērija, BMW X5, BMW 7 sērija, BMW X3, BMW X6
Used also on Audi S4
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 4 series might be a better choice in this respect.
BMW 4 sērija 2013 3.0 engine: The N57 engine is a robust turbo diesel unit without any major systemic issues. Its longevity depends heavily on regular maintenance, including timely servicing, periodic cleaning of the intake system, and active regeneration of the diesel particulate filter.
The ... More about BMW 4 sērija 2013 3.0 engine
Dimensions
Length:
4.64 m
4.69 m
Width:
1.83 m
1.85 m
Height:
1.38 m
1.37 m
Both cars are similar in size. BMW 4 series is 5 cm shorter than the Audi S5, 2 cm narrower the height of the cars does not differ significantly.
Trunk capacity:
445 litres
465 litres
BMW 4 series has 20 litres less trunk space than the Audi S5.
Turning diameter:
11.3 meters
11.5 meters
The turning circle of the BMW 4 series is 0.2 metres less than that of the Audi S5.