Mercedes S class engine produces 31 HP more power than BMW 5 series, whereas torque is 90 NM more than BMW 5 series. Despite the higher power, Mercedes S class reaches 100 km/h speed 0.6 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.6
6.1
Real fuel consumption:
8.9 l/100km
7.5 l/100km
The BMW 5 series is a better choice when it comes to fuel economy. By specification Mercedes S class consumes 1.5 litres more fuel per 100 km than the BMW 5 series, which means that if you drive 15,000 km in a year, the Mercedes S class could require 225 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes S class consumes 1.4 litres more fuel per 100 km than the BMW 5 series.
Fuel tank capacity:
90 litres
70 litres
Full fuel tank distance:
1180 km in combined cycle
1140 km in combined cycle
1520 km on highway
1370 km on highway
1010 km with real consumption
930 km with real consumption
Engines
Engine production duration:
20 years
17 years
Engine spread:
Installed on at least 8 other car models, including Mercedes C klase, Mercedes E klase, Mercedes ML
Installed on at least 4 other car models, including BMW 3 sērija, BMW X5, BMW 7 sērija, BMW X6
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes S class might be a better choice in this respect.
Dimensions
Length:
5.10 m
4.90 m
Width:
1.87 m
1.86 m
Height:
1.48 m
1.46 m
Mercedes S class is larger. Mercedes S class is 20 cm longer than the BMW 5 series, 1 cm wider, while the height of Mercedes S class is 2 cm higher.
Trunk capacity:
560 litres
520 litres
Mercedes S class has more luggage capacity. Mercedes S class has 40 litres more trunk space than the BMW 5 series.
BMW 5 series has fewer problems. According to annual technical inspection data Mercedes S class has serious deffects in 35 percent more cases than BMW 5 series, so BMW 5 series quality is probably significantly better
