The Comparative Analysis :
BMW M550d xDrive Steptronic (17 - 18) vs. Audi S6 (08 - 10)
€ 85,000
€ 86,800
€ 85,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 86,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW M550d is a little bigger in every dimension. It's 0.9 inches longer, 0.2 inches wider and an inch taller than the Audi S6.
BMW M550d
Audi S6
57.8
73.5
83.7
56.8
73.4
79.9
73.5 in
Width
73.4 in
83.7 in
Width Incl. Mirrors
79.9 in
57.8 in
Height
56.8 in
117.1
195.4
112.1
194.4
195.4 in
Length
194.4 in
117.1 in
Wheelbase
112.1 in
Vehicle Weight
BMW M550d
Audi S6
4233 lb
Curb Weight
4376 lb
5445 lb
Gross Vehicle
Weight
Weight
5490 lb
Weight Difference:
143 lb
3.27 %
General
BMW M550d
Audi S6
G30
Generation
C6 (4F)
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW M550d
Audi S6
Straight-six diesel engine with four turbochargers (quad-turbo)
Engine Type
V10 gasoline engine (naturally aspirated engine)
BMW B57
Engine Series
B57-D30
Engine Code
BXA
4
Valves
4
6
Cylinders
10
3 L / 147 cu in
Displacement
5.2 L / 254 cu in
395 hp
at 4400 rpm
Power
429 hp
at 6800 rpm
BMW M550d
395 hp
429 hp
Audi S6
561 lb‑ft
at 2000 rpm
Max. Torque
398 lb‑ft
at 3000 rpm
BMW M550d
561 lb‑ft
398 lb‑ft
Audi S6
Performance
BMW M550d
Audi S6
155 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
200 ft
0.000 sec
BMW M550d
62 mph
62
mph
mph
236 ft
0.000 sec
Audi S6
▶ REPLAY
10.72 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
BMW M550d
10.72 lb/hp
10.2 lb/hp
Audi S6
Fuel Economy / Emissions
BMW M550d
Audi S6
Fuel Economy
40 mpg
combined
19 mpg
BMW M550d
40 mpg
19 mpg
Audi S6
36 mpg
city
13 mpg
No data
highway
No data
17.4 gal
Fuel Tank Capacity
21.1 gal
695 mi
Range
395 mi
BMW M550d
695 mi
395 mi
Audi S6
Environmental Impact
121.3 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
238.7 kWh
BMW M550d
121.3 kWh
238.7 kWh
Audi S6
Euro 6c (NEFZ)
Emission Standard
Euro 4
248 g/mi (NEFZ)
CO2 Emissions
481 g/mi (NEFZ)
Practical Convenience
BMW M550d
Audi S6
4
Doors
4
5
No. of Seats
5
1213 lb
Maximum Payload
1113 lb
15 cu ft
Trunk Volume
15.5 cu ft
No data
Cargo Volume (Seats Down)
No data
