The Comparative Analysis :
Audi S6 (08 - 10) vs. BMW 540i Steptronic (17 - ..)
€ 86,800
€ 61,200
€ 86,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 61,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. The Audi S6 is just 0.1 inches longer, 0.2 inches narrower and 1.5 inches lower than the BMW 540i.
Audi S6
BMW 540i
56.8
73.4
79.9
58.2
73.5
83.7
73.4 in
Width
73.5 in
79.9 in
Width Incl. Mirrors
83.7 in
56.8 in
Height
58.2 in
112.1
194.4
117.1
194.3
194.4 in
Length
194.3 in
112.1 in
Wheelbase
117.1 in
Vehicle Weight
Audi S6
BMW 540i
4376 lb
Curb Weight
3682 lb
5490 lb
Gross Vehicle
Weight
Weight
5004 lb
Weight Difference:
694 lb
15.86 %
General
Audi S6
BMW 540i
C6 (4F)
Generation
G30
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Audi S6
BMW 540i
V10 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with turbocharger
Engine Series
BMW B58
BXA
Engine Code
B58-B30

4
Valves
4
10
Cylinders
6
5.2 L / 254 cu in
Displacement
3 L / 147 cu in
429 hp
at 6800 rpm
Power
335 hp
at 5500 rpm
Audi S6
429 hp
335 hp
BMW 540i
398 lb‑ft
at 3000 rpm
Max. Torque
332 lb‑ft
at 1380 rpm
Audi S6
398 lb‑ft
332 lb‑ft
BMW 540i
Performance
Audi S6
BMW 540i
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
236 ft
0.000 sec
Audi S6
62 mph
62
mph
mph
233 ft
0.000 sec
BMW 540i
▶ REPLAY
10.2 lb/hp
Weight-to-Power Ratio
10.99 lb/hp
Audi S6
10.2 lb/hp
10.99 lb/hp
BMW 540i
Fuel Economy / Emissions
Audi S6
BMW 540i
Fuel Economy
19 mpg
combined
36 mpg
Audi S6
19 mpg
36 mpg
BMW 540i
13 mpg
city
26 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
18 gal
395 mi
Range
650 mi
Audi S6
395 mi
650 mi
BMW 540i
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).
123.1 kWh
Audi S6
238.7 kWh
123.1 kWh
BMW 540i
Euro 4
Emission Standard
Euro 6c (NEFZ)
481 g/mi (NEFZ)
CO2 Emissions
240 g/mi (NEFZ)
Practical Convenience
Audi S6
BMW 540i
4
Doors
4
5
No. of Seats
5
1113 lb
Maximum Payload
1323 lb
15.5 cu ft
Trunk Volume
15 cu ft











No data
Cargo Volume (Seats Down)
No data














