The Comparative Analysis :

Audi S8 tiptronic (06 - 09) vs. Audi A8 4.2 FSI quattro tiptronic (10 - 12)

€ 100,100
Audi S8  tiptronic (06 - 09) S8
€ 91,100
Audi A8 4.2 FSI quattro tiptronic (10 - 12) A8 4.2 FSI
€ 100,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,100

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The S8 is slightly smaller in every dimension. It's 3.4 inches shorter, 2.2 inches narrower and 0.6 inches lower than the A8 4.2 FSI.
S8
A8 4.2 FSI
56.9
Blueprint Audi S8  tiptronic (06 - 09)
74.6
79.8
57.5
Blueprint Audi A8 4.2 FSI quattro tiptronic (10 - 12)
76.7
83.1
74.6 in
Width
76.7 in
79.8 in
Width Incl. Mirrors
83.1 in
56.9 in
Height
57.5 in
Blueprint Audi S8  tiptronic (06 - 09)
115.9
198.9
Blueprint Audi A8 4.2 FSI quattro tiptronic (10 - 12)
117.8
202.2
198.9 in
Length
202.2 in
115.9 in
Wheelbase
117.8 in

Vehicle Weight

S8
A8 4.2 FSI
4442 lb
Curb Weight
4211 lb
5600 lb
Gross Vehicle
Weight
5567 lb
Audi S8  tiptronic (06 - 09)
Weight Difference:
231 lb
5.2 %
Audi A8 4.2 FSI quattro tiptronic (10 - 12)

General

S8
A8 4.2 FSI
D3 (4E)
Generation
D4 (4H)
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

S8
A8 4.2 FSI
V10 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BSM
Engine Code
CDRA
4
Valves
4
10
Cylinders
8
5.2 L / 254 cu in
Displacement
4.2 L / 206 cu in
444 hp
at 7000 rpm
Power
366 hp
at 6800 rpm
S8
444 hp
366 hp
A8 4.2 FSI
398 lb‑ft
at 3500 rpm
Max. Torque
328 lb‑ft
at 3500 rpm
S8
398 lb‑ft
328 lb‑ft
A8 4.2 FSI

Performance

S8
A8 4.2 FSI
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

S8

62 mph 62
mph

259 ft
0.000 sec

A8 4.2 FSI

▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
11.51 lb/hp
S8
10 lb/hp
11.51 lb/hp
A8 4.2 FSI

Fuel Economy / Emissions

S8
A8 4.2 FSI
Fuel Economy
18 mpg
combined
25 mpg
S8
18 mpg
25 mpg
A8 4.2 FSI
12 mpg
city
18 mpg
No data
highway
No data
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
418 mi
Range
588 mi
S8
418 mi
588 mi
A8 4.2 FSI
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).
179.9 kWh
S8
253.8 kWh
179.9 kWh
A8 4.2 FSI
Euro 4 III
Emission Standard
Euro 5
513 g/mi (NEFZ)
CO2 Emissions
352 g/mi (NEFZ)

Practical Convenience

S8
A8 4.2 FSI
4
Doors
4
5
No. of Seats
5
1157 lb
Maximum Payload
1356 lb
14.2 cu ft
Trunk Volume
14.4 cu ft
No data
Cargo Volume (Seats Down)
No data