The Comparative Analysis :
Audi A6 40 TDI S tronic (18 - ..) vs. BMW 540i Steptronic (17 - ..)
€ 49,800

€ 61,200

€ 49,800
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 A6 40 TDI is just 0.3 cm shorter, 1.8 cm wider and 2.2 cm lower than the BMW 540i.
Audi A6 40 TDI
BMW 540i
1457
1886
2110
1479
1868
2126
1886 mm
Width
1868 mm
2110 mm
Width Incl. Mirrors
2126 mm
1457 mm
Height
1479 mm
2924
4933
2975
4936
4933 mm
Length
4936 mm
2924 mm
Wheelbase
2975 mm
Vehicle Weight
Audi A6 40 TDI
BMW 540i
1720 kg
Kerb Weight
1670 kg
2255 kg
Gross Vehicle
Weight
Weight
2270 kg

Weight Difference:
50 kg
2.91 %

General
Audi A6 40 TDI
BMW 540i
C8 (4K)
Generation
G30
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Super Unleaded (98 RON)

Front-wheel drive
Drive
Rear-wheel drive

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Audi A6 40 TDI
BMW 540i
4-cylinder mild hybrid diesel engine with turbocharger
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW B58
DFBA
Engine Code
B58-B30

4
Valves
4
4
Cylinders
6
1968 CC
Engine Capacity
2998 CC
201 bhp
at 3750 rpm
Power
335 bhp
at 5500 rpm
Audi A6 40 TDI
201 bhp
335 bhp
BMW 540i
400 NM
at 1750 rpm
Max. Torque
450 NM
at 1380 rpm
Audi A6 40 TDI
400 NM
450 NM
BMW 540i
Performance
Audi A6 40 TDI
BMW 540i
153 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
113 m
0.000 sec

Audi A6 40 TDI
62 mph
62
mph
mph
71 m
0.000 sec

BMW 540i
▶ REPLAY
8.56 kg/bhp
Weight-to-Power Ratio
4.99 kg/bhp
Audi A6 40 TDI
8.56 kg/bhp
4.99 kg/bhp
BMW 540i
Fuel Economy / Emissions
Audi A6 40 TDI
BMW 540i
Fuel Economy
63 mpg
combined
43 mpg
Audi A6 40 TDI
63 mpg
43 mpg
BMW 540i
56 mpg
city
32 mpg
No data
motorway
No data
63 L
Fuel Tank Capacity
68 L
870 mi
Range
650 mi
Audi A6 40 TDI
870 mi
650 mi
BMW 540i
Environmental Impact
92.5 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 A6 40 TDI
92.5 kWh
123.1 kWh
BMW 540i
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 6c (NEFZ)
145 g/km (WLTP)
CO2 Emissions
149 g/km (NEFZ)
Practical Convenience
Audi A6 40 TDI
BMW 540i
4
Doors
4
4
No. of Seats
5
535 kg
Maximum Payload
600 kg
530 L
Boot Capacity
530 L












No data
Boot Capacity (Seats Down)
No data