The Comparative Analysis :

Audi S8 tiptronic (06 - 09) vs. BMW 740Li Steptronic (12 - 15)

€ 100,100
Audi S8 tiptronic (06 - 09) Audi S8
€ 88,700
 BMW 740Li Steptronic (12 - 15) BMW 740Li
€ 100,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 88,700

ⓘ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 6.6 inches shorter, 0.3 inches narrower and 1.5 inches lower than the BMW 740Li.
Audi S8
BMW 740Li
56.9
Blueprint Audi S8 tiptronic (06 - 09)
74.6
79.8
58.3
Blueprint BMW 740Li Steptronic (12 - 15)
74.9
84
74.6 in
Width
74.9 in
79.8 in
Width Incl. Mirrors
84 in
56.9 in
Height
58.3 in
Blueprint Audi S8 tiptronic (06 - 09)
115.9
198.9
Blueprint BMW 740Li Steptronic (12 - 15)
126.4
205.5
198.9 in
Length
205.5 in
115.9 in
Wheelbase
126.4 in

Vehicle Weight

Audi S8
BMW 740Li
4442 lb
Curb Weight
4233 lb
5600 lb
Gross Vehicle
Weight
5567 lb
Audi S8 tiptronic (06 - 09)
Weight Difference:
209 lb
4.7 %
BMW 740Li Steptronic (12 - 15)

General

Audi S8
BMW 740Li
D3 (4E)
Generation
F02
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
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 two tur­bo­chargers (bi­turbo)
Engine Series
BMW N55
BSM
Engine Code
N55-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
316 hp
at 5800 rpm
Audi S8
444 hp
316 hp
BMW 740Li
398 lb‑ft
at 3500 rpm
Max. Torque
332 lb‑ft
at 1300 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
5.7 sec
62 mph 62
mph

233 ft
0.000 sec

Audi S8

62 mph 62
mph

259 ft
0.000 sec

BMW 740Li

▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
13.4 lb/hp
Audi S8
10 lb/hp
13.4 lb/hp
BMW 740Li

Fuel Economy / Emissions

Audi S8
BMW 740Li
Fuel Economy
18 mpg
combined
30 mpg
Audi S8
18 mpg
30 mpg
BMW 740Li
12 mpg
city
22 mpg
No data
highway
No data
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
418 mi
Range
629 mi
Audi S8
418 mi
629 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).
149.7 kWh
Audi S8
253.8 kWh
149.7 kWh
BMW 740Li
Euro 4 III
Emission Standard
Euro 5
513 g/mi (NEFZ)
CO2 Emissions
296 g/mi (NEFZ)

Practical Convenience

Audi S8
BMW 740Li
4
Doors
4
5
No. of Seats
5
1157 lb
Maximum Payload
1334 lb
14.2 cu ft
Trunk Volume
14.2 cu ft
No data
Cargo Volume (Seats Down)
No data