The Comparative Analysis :
Audi S6 (08 - 10) vs. BMW M550d xDrive Steptronic Sport (19 - ..)
€ 86,800
€ 89,600
€ 86,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 89,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi S6 is a little smaller in every dimension. It's 0.9 inches shorter, 0.2 inches narrower and an inch lower than the BMW M550d.
Audi S6
BMW M550d
56.8
73.4
79.9
57.8
73.5
83.7
73.4 in
Width
73.5 in
79.9 in
Width Incl. Mirrors
83.7 in
56.8 in
Height
57.8 in
112.1
194.4
117.1
195.4
194.4 in
Length
195.4 in
112.1 in
Wheelbase
117.1 in
Vehicle Weight
Audi S6
BMW M550d
4376 lb
Curb Weight
4233 lb
5490 lb
Gross Vehicle
Weight
Weight
5445 lb
Weight Difference:
143 lb
3.27 %
General
Audi S6
BMW M550d
C6 (4F)
Generation
G30
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Audi S6
BMW M550d
V10 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six diesel engine with four turbochargers (quad-turbo)
Engine Series
BMW B57
BXA
Engine Code
B57-D30
4
Valves
4
10
Cylinders
6
5.2 L / 254 cu in
Displacement
3 L / 147 cu in
429 hp
at 6800 rpm
Power
395 hp
at 4400 rpm
Audi S6
429 hp
395 hp
BMW M550d
398 lb‑ft
at 3000 rpm
Max. Torque
561 lb‑ft
at 2000 rpm
Audi S6
398 lb‑ft
561 lb‑ft
BMW M550d
Performance
Audi S6
BMW M550d
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
236 ft
0.000 sec
Audi S6
62 mph
62
mph
mph
200 ft
0.000 sec
BMW M550d
▶ REPLAY
10.2 lb/hp
Weight-to-Power Ratio
10.72 lb/hp
Audi S6
10.2 lb/hp
10.72 lb/hp
BMW M550d
Fuel Economy / Emissions
Audi S6
BMW M550d
Fuel Economy
19 mpg
combined
37 mpg
Audi S6
19 mpg
37 mpg
BMW M550d
13 mpg
city
31 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
17.4 gal
395 mi
Range
651 mi
Audi S6
395 mi
651 mi
BMW M550d
Environmental Impact
238.7 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).
129.6 kWh
Audi S6
238.7 kWh
129.6 kWh
BMW M550d
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
481 g/mi (NEFZ)
CO2 Emissions
306 g/mi (WLTP)
Practical Convenience
Audi S6
BMW M550d
4
Doors
4
5
No. of Seats
5
1113 lb
Maximum Payload
1213 lb
15.5 cu ft
Trunk Volume
15 cu ft
No data
Cargo Volume (Seats Down)
No data
