The Comparative Analysis :
Audi S6 cod S tronic (14 - 18) vs. BMW 540d xDrive Steptronic (17 - ..)
€ 77,700
€ 66,800
€ 77,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 66,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The Audi S6 cod is 0.2 inches shorter, 0.2 inches wider and 1.5 inches lower than the BMW 540d.
Audi S6 cod
BMW 540d
56.7
73.8
82.1
58.2
73.5
83.7
73.8 in
Width
73.5 in
82.1 in
Width Incl. Mirrors
83.7 in
56.7 in
Height
58.2 in
114.6
194.1
117.1
194.3
194.1 in
Length
194.3 in
114.6 in
Wheelbase
117.1 in
Vehicle Weight
Audi S6 cod
BMW 540d
4343 lb
Curb Weight
4034 lb
5523 lb
Gross Vehicle
Weight
Weight
5401 lb
Weight Difference:
309 lb
7.11 %
General
Audi S6 cod
BMW 540d
C7 (4G)
Generation
G30
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel

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

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Audi S6 cod
BMW 540d
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Engine Series
BMW B57
CTGE
Engine Code
B57-D30
4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
444 hp
at 5800 rpm
Power
316 hp
at 4400 rpm
Audi S6 cod
444 hp
316 hp
BMW 540d
406 lb‑ft
at 1400 rpm
Max. Torque
502 lb‑ft
at 1750 rpm
Audi S6 cod
406 lb‑ft
502 lb‑ft
BMW 540d
Performance
Audi S6 cod
BMW 540d
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
210 ft
0.000 sec
Audi S6 cod
62 mph
62
mph
mph
213 ft
0.000 sec
BMW 540d
▶ REPLAY
9.78 lb/hp
Weight-to-Power Ratio
12.77 lb/hp
Audi S6 cod
9.78 lb/hp
12.77 lb/hp
BMW 540d
Fuel Economy / Emissions
Audi S6 cod
BMW 540d
Fuel Economy
26 mpg
combined
42 mpg
Audi S6 cod
26 mpg
42 mpg
BMW 540d
18 mpg
city
35 mpg
No data
highway
No data
19.8 gal
Fuel Tank Capacity
17.4 gal
506 mi
Range
733 mi
Audi S6 cod
506 mi
733 mi
BMW 540d
Environmental Impact
174.3 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).
115.2 kWh
Audi S6 cod
174.3 kWh
115.2 kWh
BMW 540d
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
344 g/mi (NEFZ)
CO2 Emissions
278 g/mi (WLTP)
Practical Convenience
Audi S6 cod
BMW 540d
4
Doors
4
5
No. of Seats
5
1179 lb
Maximum Payload
1367 lb
15 cu ft
Trunk Volume
15 cu ft












No data
Cargo Volume (Seats Down)
No data



















