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