The Comparative Analysis :
BMW 740i Steptronic (15 - 18) vs. Audi S8 tiptronic (06 - 09)
€ 94,200

€ 100,100

€ 94,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 100,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 740i is a little bigger in every dimension. It's 1.9 inches longer, 0.3 inches wider and 1.3 inches taller than the Audi S8.
BMW 740i
Audi S8
58.2
74.9
85.4
56.9
74.6
79.8
74.9 in
Width
74.6 in
85.4 in
Width Incl. Mirrors
79.8 in
58.2 in
Height
56.9 in
120.9
200.7
115.9
198.9
200.7 in
Length
198.9 in
120.9 in
Wheelbase
115.9 in
Vehicle Weight
BMW 740i
Audi S8
3968 lb
Curb Weight
4442 lb
5291 lb
Gross Vehicle
Weight
Weight
5600 lb

Weight Difference:
474 lb
10.67 %

General
BMW 740i
Audi S8
G11
Generation
D3 (4E)
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 740i
Audi S8
Straight-six gasoline engine with turbocharger
Engine Type
V10 gasoline engine (naturally aspirated engine)
BMW B58
Engine Series
B58-B30
Engine Code
BSM

4
Valves
4
6
Cylinders
10
3 L / 147 cu in
Displacement
5.2 L / 254 cu in
322 hp
at 5500 rpm
Power
444 hp
at 7000 rpm
BMW 740i
322 hp
444 hp
Audi S8
332 lb‑ft
at 1380 rpm
Max. Torque
398 lb‑ft
at 3500 rpm
BMW 740i
332 lb‑ft
398 lb‑ft
Audi S8
Performance
BMW 740i
Audi S8
155 mph
Maximum Speed
155 mph
5.5 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
249 ft
0.000 sec

BMW 740i
62 mph
62
mph
mph
233 ft
0.000 sec

Audi S8
▶ REPLAY
12.32 lb/hp
Weight-to-Power Ratio
10 lb/hp
BMW 740i
12.32 lb/hp
10 lb/hp
Audi S8
Fuel Economy / Emissions
BMW 740i
Audi S8
Fuel Economy
35 mpg
combined
18 mpg
BMW 740i
35 mpg
18 mpg
Audi S8
25 mpg
city
12 mpg
No data
highway
No data
20.6 gal
Fuel Tank Capacity
23.8 gal
713 mi
Range
418 mi
BMW 740i
713 mi
418 mi
Audi S8
Environmental Impact
128.7 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 740i
128.7 kWh
253.8 kWh
Audi S8
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
256 g/mi (NEFZ)
CO2 Emissions
513 g/mi (NEFZ)
Practical Convenience
BMW 740i
Audi S8
4
Doors
4
5
No. of Seats
5
1323 lb
Maximum Payload
1157 lb
14.6 cu ft
Trunk Volume
14.2 cu ft









No data
Cargo Volume (Seats Down)
No data