The Comparative Analysis :

Audi S6 (06 - 08) vs. BMW M550i xDrive Steptronic Sport (19 - ..)

€ 82,300
Audi S6 (06 - 08) Audi S6
€ 90,500
 BMW M550i xDrive Steptronic Sport (19 - ..) BMW M550i
€ 82,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,500

ⓘ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 4.6 cm shorter, 1.3 cm narrower and 0.8 cm lower than the BMW M550i.
Audi S6
BMW M550i
1459
Blueprint Audi S6 (06 - 08)
1855
2030
1467
Blueprint BMW M550i xDrive Steptronic Sport (19 - ..)
1868
2126
1855 mm
Width
1868 mm
2030 mm
Width Incl. Mirrors
2126 mm
1459 mm
Height
1467 mm
Blueprint Audi S6 (06 - 08)
2843
4916
Blueprint BMW M550i xDrive Steptronic Sport (19 - ..)
2975
4962
4916 mm
Length
4962 mm
2843 mm
Wheelbase
2975 mm

Vehicle Weight

Audi S6
BMW M550i
1985 kg
Kerb Weight
1945 kg
2490 kg
Gross Vehicle
Weight
2480 kg
Audi S6 (06 - 08)
Weight Difference:
40 kg
2.02 %
BMW M550i xDrive Steptronic Sport (19 - ..)

General

Audi S6
BMW M550i
C6 (4F)
Generation
G30
Saloon
Car Body Style
Saloon
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Permanent all-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Audi S6
BMW M550i
V10 petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 petrol engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW N63
BXA
Engine Code
N63-B44
4
Valves
4
10
Cylinders
8
5204 CC
Engine Capacity
4395 CC
429 bhp
at 6800 rpm
Power
523 bhp
at 5500 rpm
Audi S6
429 bhp
523 bhp
BMW M550i
540 NM
at 3000 rpm
Max. Torque
750 NM
at 1800 rpm
Audi S6
540 NM
750 NM
BMW M550i

Performance

Audi S6
BMW M550i
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph 62
mph

72 m
0.000 sec

Audi S6

62 mph 62
mph

53 m
0.000 sec

BMW M550i

▶ REPLAY
4.63 kg/bhp
Weight-to-Power Ratio
3.72 kg/bhp
Audi S6
4.63 kg/bhp
3.72 kg/bhp
BMW M550i

Fuel Economy / Emissions

Audi S6
BMW M550i
Fuel Economy
21 mpg
combined
29 mpg
Audi S6
21 mpg
29 mpg
BMW M550i
14 mpg
city
21 mpg
No data
motorway
No data
Kraftstoffanzeige
80 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
371 mi
Range
431 mi
Audi S6
371 mi
431 mi
BMW M550i
Environmental Impact
253.8 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).
185.7 kWh
Audi S6
253.8 kWh
185.7 kWh
BMW M550i
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
319 g/km (NEFZ)
CO2 Emissions
239 g/km (WLTP)

Practical Convenience

Audi S6
BMW M550i
4
Doors
4
5
No. of Seats
5
505 kg
Maximum Payload
535 kg
546 L
Boot Capacity
530 L
No data
Boot Capacity (Seats Down)
No data