The Comparative Analysis :
Audi A8 L 4.2 TDI quattro tiptronic (10 - 13) vs. Audi A8 L 55 TFSI quattro tiptronic (17 - ..)
€ 97,700

€ 98,700

€ 97,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The A8 L 4.2 TDI is 1.4 inches shorter, 0.2 inches wider and 10.1 inches taller than the A8 L 55 TFSI.
A8 L 4.2 TDI
A8 L 55 TFSI
68.5
76.7
83.1
58.5
76.6
83.9
76.7 in
Width
76.6 in
83.1 in
Width Incl. Mirrors
83.9 in
68.5 in
Height
58.5 in
122.9
207.4
123.1
208.7
207.4 in
Length
208.7 in
122.9 in
Wheelbase
123.1 in
Vehicle Weight
A8 L 4.2 TDI
A8 L 55 TFSI
4674 lb
Curb Weight
4475 lb
5886 lb
Gross Vehicle
Weight
Weight
6074 lb

Weight Difference:
198 lb
4.24 %

General
A8 L 4.2 TDI
A8 L 55 TFSI
D4 (4H)
Generation
D5 (4N)
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded

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

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
A8 L 4.2 TDI
A8 L 55 TFSI
V8 diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder mild hybrid gasoline engine with turbocharger
CDSB
Engine Code
CZSE
4
Valves
4
8
Cylinders
6
4.1 L / 201 cu in
Displacement
3 L / 147 cu in
346 hp
at 4000 rpm
Power
335 hp
at 5000 rpm
A8 L 4.2 TDI
346 hp
335 hp
A8 L 55 TFSI
590 lb‑ft
at 1750 rpm
Max. Torque
369 lb‑ft
at 1370 rpm
A8 L 4.2 TDI
590 lb‑ft
369 lb‑ft
A8 L 55 TFSI
Performance
A8 L 4.2 TDI
A8 L 55 TFSI
155 mph
Maximum Speed
155 mph
5.6 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
256 ft
0.000 sec

A8 L 4.2 TDI
62 mph
62
mph
mph
259 ft
0.000 sec

A8 L 55 TFSI
▶ REPLAY
13.51 lb/hp
Weight-to-Power Ratio
13.36 lb/hp
A8 L 4.2 TDI
13.51 lb/hp
13.36 lb/hp
A8 L 55 TFSI
Fuel Economy / Emissions
A8 L 4.2 TDI
A8 L 55 TFSI
Fuel Economy
31 mpg
combined
30 mpg
A8 L 4.2 TDI
31 mpg
30 mpg
A8 L 55 TFSI
25 mpg
city
22 mpg
No data
highway
No data
23.8 gal
Fuel Tank Capacity
19 gal
746 mi
Range
574 mi
A8 L 4.2 TDI
746 mi
574 mi
A8 L 55 TFSI
Environmental Impact
154.3 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
A8 L 4.2 TDI
154.3 kWh
147.7 kWh
A8 L 55 TFSI
Euro 5
Emission Standard
Euro 6d-TEMP (WLTP)
319 g/mi (NEFZ)
CO2 Emissions
348 g/mi (WLTP)
Practical Convenience
A8 L 4.2 TDI
A8 L 55 TFSI
4
Doors
4
5
No. of Seats
5
1213 lb
Maximum Payload
1598 lb
14.4 cu ft
Trunk Volume
14.3 cu ft








No data
Cargo Volume (Seats Down)
No data