The Comparative Analysis :
Audi S8 tiptronic (06 - 09) vs. BMW 740Li xDrive Steptronic (16 - 18)
€ 100,100
€ 103,200
€ 100,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 103,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi S8 is considerably smaller in every dimension. It's 7.4 inches shorter, 0.3 inches narrower and 1.6 inches lower than the BMW 740Li.
Audi S8
BMW 740Li
56.9
74.6
79.8
58.5
74.9
85.4
74.6 in
Width
74.9 in
79.8 in
Width Incl. Mirrors
85.4 in
56.9 in
Height
58.5 in
115.9
198.9
126.4
206.2
198.9 in
Length
206.2 in
115.9 in
Wheelbase
126.4 in
Vehicle Weight
Audi S8
BMW 740Li
4442 lb
Curb Weight
4189 lb
5600 lb
Gross Vehicle
Weight
Weight
5512 lb
Weight Difference:
254 lb
5.72 %
General
Audi S8
BMW 740Li
D3 (4E)
Generation
G12
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Audi S8
BMW 740Li
V10 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with turbocharger
Engine Series
BMW B58
BSM
Engine Code
B58-B30

4
Valves
4
10
Cylinders
6
5.2 L / 254 cu in
Displacement
3 L / 147 cu in
444 hp
at 7000 rpm
Power
322 hp
at 5500 rpm
Audi S8
444 hp
322 hp
BMW 740Li
398 lb‑ft
at 3500 rpm
Max. Torque
332 lb‑ft
at 1380 rpm
Audi S8
398 lb‑ft
332 lb‑ft
BMW 740Li
Performance
Audi S8
BMW 740Li
155 mph
Maximum Speed
155 mph
5.1 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Audi S8
62 mph
62
mph
mph
236 ft
0.000 sec
BMW 740Li
▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
13.01 lb/hp
Audi S8
10 lb/hp
13.01 lb/hp
BMW 740Li
Fuel Economy / Emissions
Audi S8
BMW 740Li
Fuel Economy
18 mpg
combined
32 mpg
Audi S8
18 mpg
32 mpg
BMW 740Li
12 mpg
city
24 mpg
No data
highway
No data
23.8 gal
Fuel Tank Capacity
20.6 gal
418 mi
Range
664 mi
Audi S8
418 mi
664 mi
BMW 740Li
Environmental Impact
253.8 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).
138.2 kWh
Audi S8
253.8 kWh
138.2 kWh
BMW 740Li
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
513 g/mi (NEFZ)
CO2 Emissions
272 g/mi (NEFZ)
Practical Convenience
Audi S8
BMW 740Li
4
Doors
4
5
No. of Seats
5
1157 lb
Maximum Payload
1323 lb
14.2 cu ft
Trunk Volume
14.6 cu ft









No data
Cargo Volume (Seats Down)
No data













