Car comparison

AUDI A8L (D5) · Facelift 2021 60 TFSI V8vsAUDI S6 (C8) · Facelift 2023 2.9 TFSI V6

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

New comparison

AUDI A8L (D5) · Facelift 2021

60 TFSI V8

460 hp3996 ccGasolineAWDAutomaticTurbochargedSedan2021-present
VS

AUDI S6 (C8) · Facelift 2023

2.9 TFSI V6

444 hp2894 ccGasolineAWDAutomaticTwin-turboSedan2023-2025

Comparison overview

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

Best choices

AUDI A8L (D5) Facelift 2021 60 TFSI V8

  • Quickest 0-100 km/h
    4.5 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    460 hp
    343 kW
  • Highest torque
    660 Nm
    487 lb-ft
  • Best power-to-weight
    221 hp/t
    165 kW/t
    4.5 kg/hp
  • Lowest highway consumption
    8.0 L/100 km
    29.4 mpg US
    35.3 mpg UK
  • Best estimated range
    759 km
    472 mi
  • Largest trunk
    505 L
  • Best overall score
    78/100
  • Best performance score
    81/100
  • Best economy score
    78/100
  • Best practicality score
    72/100

Specification comparison

Specification comparison
ModelAUDIA8L (D5)Facelift 202160 TFSI V8AUDIS6 (C8)Facelift 20232.9 TFSI V6
Power
460hp343kW
444hp331kW
Torque
660Nm487lb-ft
600Nm443lb-ft
Curb weight
2,080kg4,586lb
2,035kg4,486lb
Gross weight
2,820kg6,217lb
2,625kg5,787lb
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
44.9s99% target: 262 km/h / 163 mph
Calculated
45.7s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.5s
4.5s
0-200 km/h
13.5s
Calculated
13.6s
Calculated
0-60 mph
4.3s
Calculated
4.3s
Calculated
Fuel consumption
10.8L/100 km21.8mpg US26.2mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption city
15.8L/100 km14.9mpg US17.9mpg UK
12.4L/100 km19mpg US22.8mpg UK
Fuel consumption highway
8L/100 km29.4mpg US35.3mpg UK
9L/100 km26.1mpg US31.4mpg UK
Quarter mile
12.4s
Calculated
12.4s
Calculated
Power-to-weight
221hp/t165kW/t100hp/1000 lb
Calculated
218hp/t163kW/t99hp/1000 lb
Calculated
Torque-to-weight
317Nm/t212lb-ft/ton
Calculated
295Nm/t197lb-ft/ton
Calculated
Estimated range
759km472mi
Calculated
682km424mi
Calculated
Displacement
3,996cc244cu in
2,894cc177cu in
Length
5,320mm209in
4,954mm195in
Width
1,945mm77in
1,886mm74in
Height
1,488mm59in
1,448mm57in
Wheelbase
3,128mm123in
2,929mm115in
Front track
1,645mm65in
-
Rear track
1,633mm64in
-
Trunk volume
505L
388L
Doors
4
4
Seats
4
5
Fuel tank
82L
73L

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 A8L (D5) Facelift 2021 60 TFSI V8AUDI S6 (C8) Facelift 2023 2.9 TFSI V6PowerTorque
  • AUDI A8L (D5) Facelift 2021 60 TFSI V8: Power / Torque
  • AUDI S6 (C8) Facelift 2023 2.9 TFSI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA8L (D5)Facelift 202160 TFSI V85,500 rpm1,850-4,500 rpm5,750 rpm
AUDIS6 (C8)Facelift 20232.9 TFSI V65,900 rpm2,700 rpm6,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA8L (D5)Facelift 202160 TFSI V8AUDIS6 (C8)Facelift 20232.9 TFSI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
4.3 s
0-100 km/h
0-62 mph
4.5 s
4.5 s
0-200 km/h
0-124 mph
13.5 s
13.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.6 s
5.6 s
1/8 mile
201 m
8.2 s
8.2 s
1000 ft
305 m
10.5 s
10.5 s
1/4 mile
402 m
12.4 s
12.4 s
Trap speed
1/4 mile
402 m
192 km/h
119 mph
192 km/h
119 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA8L (D5)Facelift 202160 TFSI V8
460 hp
343 kW
AUDIS6 (C8)Facelift 20232.9 TFSI V6
444 hp
331 kW

AUDI A8L (D5) Facelift 2021 60 TFSI V8 has 16 hp more than AUDI S6 (C8) Facelift 2023 2.9 TFSI V6.

The biggest power difference is between AUDI S6 (C8) Facelift 2023 2.9 TFSI V6 and AUDI A8L (D5) Facelift 2021 60 TFSI V8: 16 hp (12 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA8L (D5)Facelift 202160 TFSI V8
660 Nm
487 lb-ft
AUDIS6 (C8)Facelift 20232.9 TFSI V6
600 Nm
443 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA8L (D5)Facelift 202160 TFSI V8
2,080 kg
4,586 lb
AUDIS6 (C8)Facelift 20232.9 TFSI V6
2,035 kg
4,486 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIA8L (D5)Facelift 202160 TFSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (C8)Facelift 20232.9 TFSI V6
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
AUDIA8L (D5)Facelift 202160 TFSI V84.5 s
AUDIS6 (C8)Facelift 20232.9 TFSI V64.5 s

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIA8L (D5)Facelift 202160 TFSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
AUDIS6 (C8)Facelift 20232.9 TFSI V6
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
AUDIA8L (D5)Facelift 202160 TFSI V8
221 hp/t
165 kW/t
4.5 kg/hp
AUDIS6 (C8)Facelift 20232.9 TFSI V6
218 hp/t
163 kW/t
4.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA8L (D5)Facelift 202160 TFSI V8
759 km
472 mi
AUDIS6 (C8)Facelift 20232.9 TFSI V6
682 km
424 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA8L (D5)Facelift 202160 TFSI V8
460 hp
343 kW
4.5 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (C8)Facelift 20232.9 TFSI V6
444 hp
331 kW
4.5 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
AUDIA8L (D5)Facelift 202160 TFSI V8
Power
460 hp
343 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
505 L
17.8 cu ft
Length
5,320 mm
209.4 in
Height
1,488 mm
58.6 in
AUDIS6 (C8)Facelift 20232.9 TFSI V6
Power
444 hp
331 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
388 L
13.7 cu ft
Length
4,954 mm
195.0 in
Height
1,448 mm
57.0 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
AUDIA8L (D5)Facelift 202160 TFSI V8
Power
460 hp
343 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
AUDIS6 (C8)Facelift 20232.9 TFSI V6
Power
444 hp
331 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

AUDI A8L (D5) Facelift 2021 60 TFSI 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
AUDIA8L (D5)Facelift 202160 TFSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
4.5 s
AUDIS6 (C8)Facelift 20232.9 TFSI V6
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
4.5 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
AUDIA8L (D5)Facelift 202160 TFSI V8
221 hp/t
165 kW/t
4.5 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
AUDIS6 (C8)Facelift 20232.9 TFSI V6
218 hp/t
163 kW/t
4.6 kg/hp
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA8L (D5)Facelift 202160 TFSI V8AUDIS6 (C8)Facelift 20232.9 TFSI V6
Power
460 hp
343 kW
444 hp
331 kW
Torque
660 Nm
487 lb-ft
600 Nm
443 lb-ft
Acceleration
4.5 s
4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,080 kg
4,586 lb
2,035 kg
4,486 lb
Fuel consumption
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
505 L
17.8 cu ft
Length
5,320 mm
209.4 in
Height
1,488 mm
58.6 in
Doors/seats
4 doors
5 seats
Trunk
388 L
13.7 cu ft
Length
4,954 mm
195.0 in
Height
1,448 mm
57.0 in
Range score
759 km
472 mi
682 km
424 mi
Trunk score
505 L
17.8 cu ft
388 L
13.7 cu ft
Power-to-weight score
221 hp/t
165 kW/t
4.5 kg/hp
218 hp/t
163 kW/t
4.6 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 A8L (D5) Facelift 2021 60 TFSI V8AUDI S6 (C8) Facelift 2023 2.9 TFSI V6
Consumption10.8 L/100 km21.8 mpg US26.2 mpg UK10.7 L/100 km22 mpg US26.4 mpg UK
Cost / 100 km18.90 LC100 km18.72 LC100 km
Cost / 100 mi30.42 LC100 mi30.13 LC100 mi
Annual fuel used1,620 L428 US gal356 UK gal1,605 L424 US gal353 UK gal
Annual fuel cost2,835 LC/year2,809 LC/year

Head-to-head comparisons

AUDI A8L (D5) Facelift 2021 60 TFSI V8

  • Has 16 hp more
  • Has 60 Nm more
  • Has 3 hp/t better power-to-weight
  • Has 77 km (48 mi) more estimated range
  • Has 117 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A8L (D5) 60 TFSI V8
AUDI S6 (C8) 2.9 TFSI V6
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2 vehicles selected

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AUDI A8L (D5) · Facelift 2021 60 TFSI V8 vs AUDI S6 (C8) · Facelift 2023 2.9 TFSI V6 - car comparison - FastVsFaster