Car comparison

AUDI S8 (D5) 4.0 TFSI V8vsAUDI A8 (D5) · Facelift 2021 60 TFSI V8

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

New comparison

AUDI S8 (D5)

4.0 TFSI V8

571 hp3996 ccGasolineAWDAutomaticTwin-turboSedan2020-2021
VS

AUDI A8 (D5) · Facelift 2021

60 TFSI V8

460 hp3996 ccGasolineAWDAutomaticTurbochargedSedan2021-present

Comparison overview

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

Best choices

AUDI S8 (D5) 4.0 TFSI V8

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    571 hp
    426 kW
  • Highest torque
    800 Nm
    590 lb-ft
  • Best power-to-weight
    256 hp/t
    191 kW/t
    3.9 kg/hp
  • Largest trunk
    505 L
  • Best overall score
    82/100
  • Best performance score
    85/100
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelAUDIS8 (D5)4.0 TFSI V8AUDIA8 (D5)Facelift 202160 TFSI V8
Power
571hp426kW
460hp343kW
Torque
800Nm590lb-ft
660Nm487lb-ft
Curb weight
2,230kg4,916lb
2,045kg4,508lb
Gross weight
2,835kg6,250lb
2,765kg6,096lb
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
36.3s99% target: 262 km/h / 163 mph
Calculated
43.4s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.8s
4.4s
0-200 km/h
11.2s
Calculated
13.1s
Calculated
0-60 mph
3.6s
Calculated
4.2s
Calculated
Fuel consumption
11.4L/100 km20.6mpg US24.8mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption city-
15.8L/100 km14.9mpg US17.9mpg UK
Fuel consumption highway-
7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile
11.6s
Calculated
12.3s
Calculated
Power-to-weight
256hp/t191kW/t116hp/1000 lb
Calculated
225hp/t168kW/t102hp/1000 lb
Calculated
Torque-to-weight
359Nm/t240lb-ft/ton
Calculated
323Nm/t216lb-ft/ton
Calculated
Estimated range
719km447mi
Calculated
759km472mi
Calculated
Displacement
3,996cc244cu in
3,996cc244cu in
Length
5,179mm204in
5,190mm204in
Width
1,945mm77in
1,945mm77in
Height
1,474mm58in
1,473mm58in
Wheelbase
2,998mm118in
2,998mm118in
Front track
1,628mm64in
1,645mm65in
Rear track
1,617mm64in
1,633mm64in
Trunk volume
505L
505L
Doors
4
4
Seats
5
5
Fuel tank
82L
82L
CO2 emissions
260g/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 S8 (D5) 4.0 TFSI V8AUDI A8 (D5) Facelift 2021 60 TFSI V8PowerTorque
  • AUDI S8 (D5) 4.0 TFSI V8: Power / Torque
  • AUDI A8 (D5) Facelift 2021 60 TFSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS8 (D5)4.0 TFSI V86,000 rpm2,000-4,500 rpm6,250 rpm
AUDIA8 (D5)Facelift 202160 TFSI V85,500 rpm1,850-4,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS8 (D5)4.0 TFSI V8AUDIA8 (D5)Facelift 202160 TFSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
4.2 s
0-100 km/h
0-62 mph
3.8 s
4.4 s
0-200 km/h
0-124 mph
11.2 s
13.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.2 s
5.5 s
1/8 mile
201 m
7.7 s
8.2 s
1000 ft
305 m
9.8 s
10.4 s
1/4 mile
402 m
11.6 s
12.3 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
194 km/h
120 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)4.0 TFSI V8
571 hp
426 kW
AUDIA8 (D5)Facelift 202160 TFSI V8
460 hp
343 kW

AUDI S8 (D5) 4.0 TFSI V8 has 111 hp more than AUDI A8 (D5) Facelift 2021 60 TFSI V8.

The biggest power difference is between AUDI A8 (D5) Facelift 2021 60 TFSI V8 and AUDI S8 (D5) 4.0 TFSI V8: 111 hp (83 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)4.0 TFSI V8
800 Nm
590 lb-ft
AUDIA8 (D5)Facelift 202160 TFSI V8
660 Nm
487 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)4.0 TFSI V8
2,230 kg
4,916 lb
AUDIA8 (D5)Facelift 202160 TFSI 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
AUDIS8 (D5)4.0 TFSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8 (D5)Facelift 202160 TFSI 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
AUDIS8 (D5)4.0 TFSI V83.8 s
AUDIA8 (D5)Facelift 202160 TFSI V84.4 s

The biggest 0-100 km/h difference is between AUDI S8 (D5) 4.0 TFSI V8 and AUDI A8 (D5) Facelift 2021 60 TFSI V8: 0.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)4.0 TFSI V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
AUDIA8 (D5)Facelift 202160 TFSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK

The biggest fuel consumption difference is between AUDI A8 (D5) Facelift 2021 60 TFSI V8 and AUDI S8 (D5) 4.0 TFSI V8: 0.6 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
AUDIS8 (D5)4.0 TFSI V8
256 hp/t
191 kW/t
3.9 kg/hp
AUDIA8 (D5)Facelift 202160 TFSI V8
225 hp/t
168 kW/t
4.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)4.0 TFSI V8
719 km
447 mi
AUDIA8 (D5)Facelift 202160 TFSI V8
759 km
472 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS8 (D5)4.0 TFSI V8
571 hp
426 kW
3.8 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8 (D5)Facelift 202160 TFSI V8
460 hp
343 kW
4.4 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
AUDIS8 (D5)4.0 TFSI V8
Power
571 hp
426 kW
0-100 km/h3.8 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
5,179 mm
203.9 in
Height
1,474 mm
58.0 in
AUDIA8 (D5)Facelift 202160 TFSI V8
Power
460 hp
343 kW
0-100 km/h4.4 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

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
AUDIS8 (D5)4.0 TFSI V8
Power
571 hp
426 kW
0-100 km/h3.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
AUDIA8 (D5)Facelift 202160 TFSI V8
Power
460 hp
343 kW
0-100 km/h4.4 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

AUDI S8 (D5) 4.0 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
AUDIS8 (D5)4.0 TFSI V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
3.8 s
AUDIA8 (D5)Facelift 202160 TFSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
4.4 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
AUDIS8 (D5)4.0 TFSI V8
256 hp/t
191 kW/t
3.9 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
AUDIA8 (D5)Facelift 202160 TFSI V8
225 hp/t
168 kW/t
4.4 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS8 (D5)4.0 TFSI V8AUDIA8 (D5)Facelift 202160 TFSI V8
Power
571 hp
426 kW
460 hp
343 kW
Torque
800 Nm
590 lb-ft
660 Nm
487 lb-ft
Acceleration
3.8 s
4.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,230 kg
4,916 lb
2,045 kg
4,508 lb
Fuel consumption
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
5,179 mm
203.9 in
Height
1,474 mm
58.0 in
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
Range score
719 km
447 mi
759 km
472 mi
CO2 score
260 g/km
-
Trunk score
505 L
17.8 cu ft
505 L
17.8 cu ft
Power-to-weight score
256 hp/t
191 kW/t
3.9 kg/hp
225 hp/t
168 kW/t
4.4 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 S8 (D5) 4.0 TFSI V8AUDI A8 (D5) Facelift 2021 60 TFSI V8
Consumption11.4 L/100 km20.6 mpg US24.8 mpg UK10.8 L/100 km21.8 mpg US26.2 mpg UK
Cost / 100 km19.95 LC100 km18.90 LC100 km
Cost / 100 mi32.11 LC100 mi30.42 LC100 mi
Annual fuel used1,710 L452 US gal376 UK gal1,620 L428 US gal356 UK gal
Annual fuel cost2,993 LC/year2,835 LC/year

Head-to-head comparisons

AUDI S8 (D5) 4.0 TFSI V8

  • Has 111 hp more
  • Has 140 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 31 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest

AUDI A8 (D5) Facelift 2021 60 TFSI V8

  • Is 185 kg lighter
  • Uses 0.6 L/100 km less fuel
  • Has 40 km (25 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S8 (D5) 4.0 TFSI V8
AUDI A8 (D5) 60 TFSI V8
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2 vehicles selected

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