Car comparison

AUDI A8 (D5) · Facelift 2021 55 TFSI V6vsAUDI A8L (D4/4H) 4.2 TDI V8

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

AUDI A8 (D5) · Facelift 2021

55 TFSI V6

340 hp2995 ccGasolineAWDAutomaticTurbochargedSedan2021-present
VS

AUDI A8L (D4/4H)

4.2 TDI V8

350 hp4134 ccDieselAWDAutomaticTurbochargedSedan2010-2013

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

AUDI A8L (D4/4H) 4.2 TDI V8

  • Most powerful
    350 hp
    261 kW
  • Highest torque
    800 Nm
    590 lb-ft
  • Lowest combined fuel consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest city consumption
    10.3 L/100 km
    22.8 mpg US
    27.4 mpg UK
  • Lowest highway consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Best estimated range
    1,154 km
    717 mi
  • Largest trunk
    510 L
  • Best overall score
    73/100
  • Best performance score
    74/100
  • Best economy score
    86/100

AUDI A8 (D5) Facelift 2021 55 TFSI V6

  • Quickest 0-100 km/h
    5.6 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,960 kg
    4,321 lb
  • Best power-to-weight
    173 hp/t
    129 kW/t
    5.8 kg/hp
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelAUDIA8 (D5)Facelift 202155 TFSI V6AUDIA8L (D4/4H)4.2 TDI V8
Power
340hp254kW
350hp261kW
Torque
500Nm369lb-ft
800Nm590lb-ft
Curb weight
1,960kg4,321lb
2,045kg4,508lb
Gross weight
2,710kg5,975lb
2,670kg5,886lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
58.5s99% target: 262 km/h / 163 mph
Calculated
59.8s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.6s
5.6s
0-200 km/h
17.2s
Calculated
17.4s
Calculated
0-60 mph
5.4s
Calculated
5.4s
Calculated
Fuel consumption
8.3L/100 km28.3mpg US34.0mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption city
11.3L/100 km20.8mpg US25.0mpg UK
10.3L/100 km22.8mpg US27.4mpg UK
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Quarter mile
13.6s
Calculated
13.6s
Calculated
Power-to-weight
173hp/t129kW/t79hp/1000 lb
Calculated
171hp/t128kW/t78hp/1000 lb
Calculated
Torque-to-weight
255Nm/t171lb-ft/ton
Calculated
391Nm/t262lb-ft/ton
Calculated
Estimated range
988km614mi
Calculated
1,154km717mi
Calculated
Displacement
2,995cc183cu in
4,134cc252cu in
Length
5,190mm204in
5,267mm207in
Width
1,945mm77in
1,949mm77in
Height
1,473mm58in
1,471mm58in
Wheelbase
2,998mm118in
3,122mm123in
Front track
1,645mm65in
1,644mm65in
Rear track
1,633mm64in
1,635mm64in
Trunk volume
505L
510L
Max trunk volume-
906L
Doors
4
4
Seats
5
4
Fuel tank
82L
90L
CO2 emissions-
204g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

AUDI A8 (D5) Facelift 2021 55 TFSI V6AUDI A8L (D4/4H) 4.2 TDI V8PowerTorque
  • AUDI A8 (D5) Facelift 2021 55 TFSI V6: Power / Torque
  • AUDI A8L (D4/4H) 4.2 TDI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA8 (D5)Facelift 202155 TFSI V65,000-6,400 rpm1,370-4,500 rpm6,650 rpm
AUDIA8L (D4/4H)4.2 TDI V84,000 rpm1,750-2,750 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA8 (D5)Facelift 202155 TFSI V6AUDIA8L (D4/4H)4.2 TDI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.4 s
5.4 s
0-100 km/h
0-62 mph
5.6 s
5.6 s
0-200 km/h
0-124 mph
17.2 s
17.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.1 s
6.1 s
1/8 mile
201 m
9.0 s
9.0 s
1000 ft
305 m
11.5 s
11.5 s
1/4 mile
402 m
13.6 s
13.6 s
Trap speed
1/4 mile
402 m
178 km/h
111 mph
178 km/h
110 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
AUDIA8 (D5)Facelift 202155 TFSI V6
340 hp
254 kW
AUDIA8L (D4/4H)4.2 TDI V8
350 hp
261 kW

AUDI A8L (D4/4H) 4.2 TDI V8 has 10 hp more than AUDI A8 (D5) Facelift 2021 55 TFSI V6.

The biggest power difference is between AUDI A8 (D5) Facelift 2021 55 TFSI V6 and AUDI A8L (D4/4H) 4.2 TDI V8: 10 hp (7 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
AUDIA8 (D5)Facelift 202155 TFSI V6
500 Nm
369 lb-ft
AUDIA8L (D4/4H)4.2 TDI V8
800 Nm
590 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
AUDIA8 (D5)Facelift 202155 TFSI V6
1,960 kg
4,321 lb
AUDIA8L (D4/4H)4.2 TDI V8
2,045 kg
4,508 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AUDIA8 (D5)Facelift 202155 TFSI V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8L (D4/4H)4.2 TDI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
AUDIA8 (D5)Facelift 202155 TFSI V65.6 s
AUDIA8L (D4/4H)4.2 TDI V85.6 s

Although AUDI A8L (D4/4H) 4.2 TDI V8 has more power, AUDI A8 (D5) Facelift 2021 55 TFSI V6 is quicker from 0-100 km/h.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AUDIA8 (D5)Facelift 202155 TFSI V6
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
AUDIA8L (D4/4H)4.2 TDI V8
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

The biggest fuel consumption difference is between AUDI A8L (D4/4H) 4.2 TDI V8 and AUDI A8 (D5) Facelift 2021 55 TFSI V6: 0.5 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDIA8 (D5)Facelift 202155 TFSI V6
173 hp/t
129 kW/t
5.8 kg/hp
AUDIA8L (D4/4H)4.2 TDI V8
171 hp/t
128 kW/t
5.8 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
AUDIA8 (D5)Facelift 202155 TFSI V6
988 km
614 mi
AUDIA8L (D4/4H)4.2 TDI V8
1,154 km
717 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA8 (D5)Facelift 202155 TFSI V6
340 hp
254 kW
5.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8L (D4/4H)4.2 TDI V8
350 hp
261 kW
5.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
AUDIA8 (D5)Facelift 202155 TFSI V6
Power
340 hp
254 kW
0-100 km/h5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
5,190 mm
204.3 in
Height
1,473 mm
58.0 in
AUDIA8L (D4/4H)4.2 TDI V8
Power
350 hp
261 kW
0-100 km/h5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,267 mm
207.4 in
Height
1,471 mm
57.9 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
AUDIA8 (D5)Facelift 202155 TFSI V6
Power
340 hp
254 kW
0-100 km/h5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
AUDIA8L (D4/4H)4.2 TDI V8
Power
350 hp
261 kW
0-100 km/h5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

AUDI A8L (D4/4H) 4.2 TDI V8 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDIA8 (D5)Facelift 202155 TFSI V6
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
5.6 s
AUDIA8L (D4/4H)4.2 TDI V8
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
5.6 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDIA8 (D5)Facelift 202155 TFSI V6
173 hp/t
129 kW/t
5.8 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
AUDIA8L (D4/4H)4.2 TDI V8
171 hp/t
128 kW/t
5.8 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA8 (D5)Facelift 202155 TFSI V6AUDIA8L (D4/4H)4.2 TDI V8
Power
340 hp
254 kW
350 hp
261 kW
Torque
500 Nm
369 lb-ft
800 Nm
590 lb-ft
Acceleration
5.6 s
5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,960 kg
4,321 lb
2,045 kg
4,508 lb
Fuel consumption
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
5,190 mm
204.3 in
Height
1,473 mm
58.0 in
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,267 mm
207.4 in
Height
1,471 mm
57.9 in
Range score
988 km
614 mi
1,154 km
717 mi
CO2 score
-
204 g/km
Trunk score
505 L
17.8 cu ft
510 L
18.0 cu ft
Power-to-weight score
173 hp/t
129 kW/t
5.8 kg/hp
171 hp/t
128 kW/t
5.8 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleAUDI A8 (D5) Facelift 2021 55 TFSI V6AUDI A8L (D4/4H) 4.2 TDI V8
Consumption8.3 L/100 km28.3 mpg US34 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK
Cost / 100 km14.53 LC100 km13.65 LC100 km
Cost / 100 mi23.38 LC100 mi21.97 LC100 mi
Annual fuel used1,245 L329 US gal274 UK gal1,170 L309 US gal257 UK gal
Annual fuel cost2,179 LC/year2,048 LC/year

Head-to-head comparisons

AUDI A8 (D5) Facelift 2021 55 TFSI V6

  • Is 85 kg lighter
  • Has 2 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk

AUDI A8L (D4/4H) 4.2 TDI V8

  • Has 10 hp more
  • Has 300 Nm more
  • Uses 0.5 L/100 km less fuel
  • Has 166 km (103 mi) more estimated range
  • Has 5 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A8 (D5) 55 TFSI V6
AUDI A8L (D4/4H) 4.2 TDI V8
Compare selected cars
2 vehicles selected

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AUDI A8 (D5) · Facelift 2021 55 TFSI V6 vs AUDI A8L (D4/4H) 4.2 TDI V8 - car comparison - FastVsFaster