The Comparative Analysis :

Audi A6 45 TDI quattro tiptronic (18 - ..) vs. BMW 540i Steptronic (17 - ..)

€ 55,700
Audi A6 45 TDI quattro tiptronic (18 - ..) Audi A6 45 TDI
€ 61,200
 BMW 540i Steptronic (17 - ..) BMW 540i
€ 55,700
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 45 TDI is just 0.1 inches shorter, 0.7 inches wider and 0.9 inches lower than the BMW 540i.
Audi A6 45 TDI
BMW 540i
57.4
Blueprint Audi A6 45 TDI quattro tiptronic (18 - ..)
74.3
83.1
58.2
Blueprint BMW 540i Steptronic (17 - ..)
73.5
83.7
74.3 in
Width
73.5 in
83.1 in
Width Incl. Mirrors
83.7 in
57.4 in
Height
58.2 in
Blueprint Audi A6 45 TDI quattro tiptronic (18 - ..)
115.1
194.2
Blueprint BMW 540i Steptronic (17 - ..)
117.1
194.3
194.2 in
Length
194.3 in
115.1 in
Wheelbase
117.1 in

Vehicle Weight

Audi A6 45 TDI
BMW 540i
4189 lb
Curb Weight
3682 lb
5456 lb
Gross Vehicle
Weight
5004 lb
Audi A6 45 TDI quattro tiptronic (18 - ..)
Weight Difference:
507 lb
12.1 %
BMW 540i Steptronic (17 - ..)

General

Audi A6 45 TDI
BMW 540i
C8 (4K)
Generation
G30
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Audi A6 45 TDI
BMW 540i
6-cylinder mild hybrid diesel engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW B58
DDVE
Engine Code
B58-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
228 hp
at 3250 rpm
Power
335 hp
at 5500 rpm
Audi A6 45 TDI
228 hp
335 hp
BMW 540i
369 lb‑ft
at 1750 rpm
Max. Torque
332 lb‑ft
at 1380 rpm
Audi A6 45 TDI
369 lb‑ft
332 lb‑ft
BMW 540i

Performance

Audi A6 45 TDI
BMW 540i
155 mph
Maximum Speed
155 mph
6.3 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph 62
mph

289 ft
0.000 sec

Audi A6 45 TDI

62 mph 62
mph

233 ft
0.000 sec

BMW 540i

▶ REPLAY
18.37 lb/hp
Weight-to-Power Ratio
10.99 lb/hp
Audi A6 45 TDI
18.37 lb/hp
10.99 lb/hp
BMW 540i

Fuel Economy / Emissions

Audi A6 45 TDI
BMW 540i
Fuel Economy
42 mpg
combined
36 mpg
Audi A6 45 TDI
42 mpg
36 mpg
BMW 540i
38 mpg
city
26 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
699 mi
Range
650 mi
Audi A6 45 TDI
699 mi
650 mi
BMW 540i
Environmental Impact
115.2 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).
123.1 kWh
Audi A6 45 TDI
115.2 kWh
123.1 kWh
BMW 540i
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 6c (NEFZ)
295 g/mi (WLTP)
CO2 Emissions
240 g/mi (NEFZ)

Practical Convenience

Audi A6 45 TDI
BMW 540i
4
Doors
4
4
No. of Seats
5
1268 lb
Maximum Payload
1323 lb
15 cu ft
Trunk Volume
15 cu ft
No data
Cargo Volume (Seats Down)
No data