The Comparative Analysis :
BMW 520i Steptronic (17 - ..) vs. Audi S6 (06 - 08)
€ 48,900
€ 82,300
€ 48,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 82,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 520i is a little bigger in every dimension. It's 0.8 inches longer, 0.5 inches wider and 0.8 inches taller than the Audi S6.
BMW 520i
Audi S6
58.2
73.5
83.7
57.4
73
79.9
73.5 in
Width
73 in
83.7 in
Width Incl. Mirrors
79.9 in
58.2 in
Height
57.4 in
117.1
194.3
111.9
193.5
194.3 in
Length
193.5 in
117.1 in
Wheelbase
111.9 in
Vehicle Weight
BMW 520i
Audi S6
3538 lb
Curb Weight
4376 lb
4850 lb
Gross Vehicle
Weight
Weight
5490 lb
Weight Difference:
838 lb
19.15 %
General
BMW 520i
Audi S6
G30
Generation
C6 (4F)
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 520i
Audi S6
Straight-four gasoline engine with turbocharger
Engine Type
V10 gasoline engine (naturally aspirated engine)
BMW B48
Engine Series
B48-B20
Engine Code
BXA
4
Valves
4
4
Cylinders
10
2 L / 98 cu in
Displacement
5.2 L / 254 cu in
181 hp
at 5000 rpm
Power
429 hp
at 6800 rpm
BMW 520i
181 hp
429 hp
Audi S6
214 lb‑ft
at 1350 rpm
Max. Torque
398 lb‑ft
at 3000 rpm
BMW 520i
214 lb‑ft
398 lb‑ft
Audi S6
Performance
BMW 520i
Audi S6
146 mph
Maximum Speed
155 mph
7.8 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
354 ft
0.000 sec
BMW 520i
62 mph
62
mph
mph
236 ft
0.000 sec
Audi S6
▶ REPLAY
19.55 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
BMW 520i
19.55 lb/hp
10.2 lb/hp
Audi S6
Fuel Economy / Emissions
BMW 520i
Audi S6
Fuel Economy
44 mpg
combined
18 mpg
BMW 520i
44 mpg
18 mpg
Audi S6
34 mpg
city
12 mpg
No data
highway
No data
18 gal
Fuel Tank Capacity
21.1 gal
782 mi
Range
371 mi
BMW 520i
782 mi
371 mi
Audi S6
Environmental Impact
102.4 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).
253.8 kWh
BMW 520i
102.4 kWh
253.8 kWh
Audi S6
Euro 6c (NEFZ)
Emission Standard
Euro 4
200 g/mi (NEFZ)
CO2 Emissions
513 g/mi (NEFZ)
Practical Convenience
BMW 520i
Audi S6
4
Doors
4
5
No. of Seats
5
1312 lb
Maximum Payload
1113 lb
15 cu ft
Trunk Volume
15.5 cu ft
No data
Cargo Volume (Seats Down)
No data
