The Comparative Analysis :
Audi RS6 (08 - 10) vs. BMW M550d xDrive Steptronic (13 - 16)
€ 108,400
€ 82,600
€ 108,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 82,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi RS6 is a bit bigger in every dimension. It's 0.7 inches longer, 1.1 inches wider and 0.1 inches taller than the BMW M550d.
Audi RS6
BMW M550d
57.3
74.4
79.9
57.2
73.2
82.4
74.4 in
Width
73.2 in
79.9 in
Width Incl. Mirrors
82.4 in
57.3 in
Height
57.2 in
112
194
116.9
193.3
194 in
Length
193.3 in
112 in
Wheelbase
116.9 in
Vehicle Weight
Audi RS6
BMW M550d
4542 lb
Curb Weight
4310 lb
5655 lb
Gross Vehicle
Weight
Weight
5423 lb
Weight Difference:
231 lb
5.09 %
General
Audi RS6
BMW M550d
C6 (4F)
Generation
F10
Sedan
Car Body Style
Sedan
Mid-Grade 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 RS6
BMW M550d
V10 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with three turbochargers (triturbo)
Engine Series
BMW N57
BUH
Engine Code
N57-S

4
Valves
4
10
Cylinders
6
5 L / 245 cu in
Displacement
3 L / 147 cu in
572 hp
at 6250 rpm
Power
376 hp
at 4000 rpm
Audi RS6
572 hp
376 hp
BMW M550d
479 lb‑ft
at 1500 rpm
Max. Torque
546 lb‑ft
at 2000 rpm
Audi RS6
479 lb‑ft
546 lb‑ft
BMW M550d
Performance
Audi RS6
BMW M550d
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
207 ft
0.000 sec
Audi RS6
62 mph
62
mph
mph
213 ft
0.000 sec
BMW M550d
▶ REPLAY
7.94 lb/hp
Weight-to-Power Ratio
11.46 lb/hp
Audi RS6
7.94 lb/hp
11.46 lb/hp
BMW M550d
Fuel Economy / Emissions
Audi RS6
BMW M550d
Fuel Economy
17 mpg
combined
38 mpg
Audi RS6
17 mpg
38 mpg
BMW M550d
12 mpg
city
31 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
18.5 gal
358 mi
Range
702 mi
Audi RS6
358 mi
702 mi
BMW M550d
Environmental Impact
263.3 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).
127.6 kWh
Audi RS6
263.3 kWh
127.6 kWh
BMW M550d
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
533 g/mi (NEFZ)
CO2 Emissions
261 g/mi (NEFZ)
Practical Convenience
Audi RS6
BMW M550d
4
Doors
4
5
No. of Seats
5
1113 lb
Maximum Payload
1113 lb
15.5 cu ft
Trunk Volume
14.7 cu ft










No data
Cargo Volume (Seats Down)
No data





















