The Comparative Analysis :
Audi S8 quattro tiptronic (19 - ..) vs. Audi A8 3.0 TDI quattro tiptronic (15 - 17)
€ 140,000

€ 81,000

€ 140,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The S8 is 1.7 inches longer, 0.2 inches narrower and 0.6 inches taller than the A8 3.0 TDI.
S8
A8 3.0 TDI
58
76.6
83.9
57.5
76.7
83.1
76.6 in
Width
76.7 in
83.9 in
Width Incl. Mirrors
83.1 in
58 in
Height
57.5 in
118
203.9
117.8
202.2
203.9 in
Length
202.2 in
118 in
Wheelbase
117.8 in
Vehicle Weight
S8
A8 3.0 TDI
5082 lb
Curb Weight
4310 lb
6250 lb
Gross Vehicle
Weight
Weight
5666 lb

Weight Difference:
772 lb
15.19 %

General
S8
A8 3.0 TDI
D5 (4N)
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
S8
A8 3.0 TDI
8-cylinder mild hybrid gasoline engine with two turbochargers (biturbo)
Engine Type
V6 diesel engine with turbocharger
Engine Code
CTBD
4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
563 hp
at 6000 rpm
Power
258 hp
at 4000 rpm
S8
563 hp
258 hp
A8 3.0 TDI
590 lb‑ft
at 2000 rpm
Max. Torque
428 lb‑ft
at 1750 rpm
S8
590 lb‑ft
428 lb‑ft
A8 3.0 TDI
Performance
S8
A8 3.0 TDI
155 mph
Maximum Speed
155 mph
3.8 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
174 ft
0.000 sec

S8
62 mph
62
mph
mph
269 ft
0.000 sec

A8 3.0 TDI
▶ REPLAY
9.03 lb/hp
Weight-to-Power Ratio
16.71 lb/hp
S8
9.03 lb/hp
16.71 lb/hp
A8 3.0 TDI
Fuel Economy / Emissions
S8
A8 3.0 TDI
Fuel Economy
21 mpg
combined
41 mpg
S8
21 mpg
41 mpg
A8 3.0 TDI
15 mpg
city
32 mpg
No data
highway
No data
21.7 gal
Fuel Tank Capacity
21.7 gal
451 mi
Range
879 mi
S8
451 mi
879 mi
A8 3.0 TDI
Environmental Impact
214 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).
119.3 kWh
S8
214 kWh
119.3 kWh
A8 3.0 TDI
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
423 g/mi (WLTP)
CO2 Emissions
243 g/mi (NEFZ)
Practical Convenience
S8
A8 3.0 TDI
4
Doors
4
5
No. of Seats
5
1168 lb
Maximum Payload
1356 lb
14.3 cu ft
Trunk Volume
13.9 cu ft










No data
Cargo Volume (Seats Down)
No data