The Comparative Analysis :
Audi S8 tiptronic (06 - 09) vs. Audi A8 55 TFSI quattro tiptronic (17 - ..)
€ 100,100
€ 95,200
€ 100,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The S8 is considerably smaller in every dimension. It's 4.8 inches shorter, 2 inches narrower and 1.1 inches lower than the A8 55 TFSI.
S8
A8 55 TFSI
56.9
74.6
79.8
58
76.6
83.9
74.6 in
Width
76.6 in
79.8 in
Width Incl. Mirrors
83.9 in
56.9 in
Height
58 in
115.9
198.9
118
203.6
198.9 in
Length
203.6 in
115.9 in
Wheelbase
118 in
Vehicle Weight
S8
A8 55 TFSI
4442 lb
Curb Weight
4420 lb
5600 lb
Gross Vehicle
Weight
Weight
5930 lb
Weight Difference:
22 lb
0.5 %
General
S8
A8 55 TFSI
D3 (4E)
Generation
D5 (4N)
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
S8
A8 55 TFSI
V10 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder mild hybrid gasoline engine with turbocharger
BSM
Engine Code
CZSE
4
Valves
4
10
Cylinders
6
5.2 L / 254 cu in
Displacement
3 L / 147 cu in
444 hp
at 7000 rpm
Power
335 hp
at 5000 rpm
S8
444 hp
335 hp
A8 55 TFSI
398 lb‑ft
at 3500 rpm
Max. Torque
369 lb‑ft
at 1370 rpm
S8
398 lb‑ft
369 lb‑ft
A8 55 TFSI
Performance
S8
A8 55 TFSI
155 mph
Maximum Speed
155 mph
5.1 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
233 ft
0.000 sec
S8
62 mph
62
mph
mph
256 ft
0.000 sec
A8 55 TFSI
▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
13.19 lb/hp
S8
10 lb/hp
13.19 lb/hp
A8 55 TFSI
Fuel Economy / Emissions
S8
A8 55 TFSI
Fuel Economy
18 mpg
combined
30 mpg
S8
18 mpg
30 mpg
A8 55 TFSI
12 mpg
city
22 mpg
No data
highway
No data
23.8 gal
Fuel Tank Capacity
19 gal
418 mi
Range
574 mi
S8
418 mi
574 mi
A8 55 TFSI
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).
147.7 kWh
S8
253.8 kWh
147.7 kWh
A8 55 TFSI
Euro 4 III
Emission Standard
Euro 6d-TEMP (WLTP)
513 g/mi (NEFZ)
CO2 Emissions
344 g/mi (WLTP)
Practical Convenience
S8
A8 55 TFSI
4
Doors
4
5
No. of Seats
5
1157 lb
Maximum Payload
1510 lb
14.2 cu ft
Trunk Volume
14.3 cu ft
No data
Cargo Volume (Seats Down)
No data
