Car comparison

AUDI S8 (D5) · Facelift 2021 4.0 TFSI V8vsBMW 7 Series (G11 LCI) · Facelift 2019 750i

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

New comparison

AUDI S8 (D5) · Facelift 2021

4.0 TFSI V8

571 hp3996 ccGasolineAWDAutomaticTwin-turboSedan2021-present
VS

BMW 7 Series (G11 LCI) · Facelift 2019

750i

530 hp4395 ccGasolineAWDAutomaticTurbochargedSedan2019-2022

Comparison overview

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

Best choices

BMW 7 Series (G11 LCI) Facelift 2019 750i

  • Lightest
    2,040 kg
    4,497 lb
  • Best power-to-weight
    260 hp/t
    194 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 mpg UK
  • Lowest city consumption
    13.2 L/100 km
    17.8 mpg US
    21.4 mpg UK
  • Lowest highway consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Best estimated range
    821 km
    510 mi
  • Largest trunk
    515 L
  • Best overall score
    83/100
  • Best performance score
    86/100
  • Best economy score
    81/100

AUDI S8 (D5) Facelift 2021 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 practicality score
    76/100

Specification comparison

Specification comparison
ModelAUDIS8 (D5)Facelift 20214.0 TFSI V8BMW7 Series (G11 LCI)Facelift 2019750i
Power
571hp426kW
530hp395kW
Torque
800Nm590lb-ft
750Nm553lb-ft
Curb weight
2,220kg4,894lb
2,040kg4,497lb
Gross weight
2,835kg6,250lb
2,640kg5,820lb
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
36.7s99% target: 262 km/h / 163 mph
Calculated
37.2s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.8s
4.0s
0-200 km/h
11.2s
Calculated
11.6s
Calculated
0-60 mph
3.6s
Calculated
3.8s
Calculated
Fuel consumption
10.8L/100 km21.8mpg US26.2mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
15.1L/100 km15.6mpg US18.7mpg UK
13.2L/100 km17.8mpg US21.4mpg UK
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Quarter mile
11.6s
Calculated
11.8s
Calculated
Power-to-weight
257hp/t192kW/t117hp/1000 lb
Calculated
260hp/t194kW/t118hp/1000 lb
Calculated
Torque-to-weight
360Nm/t241lb-ft/ton
Calculated
368Nm/t246lb-ft/ton
Calculated
Estimated range
759km472mi
Calculated
821km510mi
Calculated
Displacement
3,996cc244cu in
4,395cc268cu in
Length
5,190mm204in
5,120mm202in
Width
1,945mm77in
1,902mm75in
Height
1,475mm58in
1,467mm58in
Wheelbase
2,998mm118in
3,070mm121in
Front track
1,629mm64in
1,621mm64in
Rear track
1,614mm64in
1,650mm65in
Ground clearance-
135mm5in
Trunk volume
505L
515L
Doors
4
4
Seats
5
5
Fuel tank
82L
78L
CO2 emissions-
217g/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) Facelift 2021 4.0 TFSI V8BMW 7 Series (G11 LCI) Facelift 2019 750iPowerTorque
  • AUDI S8 (D5) Facelift 2021 4.0 TFSI V8: Power / Torque
  • BMW 7 Series (G11 LCI) Facelift 2019 750i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS8 (D5)Facelift 20214.0 TFSI V86,000 rpm2,050-4,500 rpm6,250 rpm
BMW7 Series (G11 LCI)Facelift 2019750i5,500-6,000 rpm1,800-4,600 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS8 (D5)Facelift 20214.0 TFSI V8BMW7 Series (G11 LCI)Facelift 2019750i
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
3.8 s
0-100 km/h
0-62 mph
3.8 s
4.0 s
0-200 km/h
0-124 mph
11.2 s
11.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.2 s
5.3 s
1/8 mile
201 m
7.7 s
7.8 s
1000 ft
305 m
9.8 s
10.0 s
1/4 mile
402 m
11.6 s
11.8 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
201 km/h
125 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)Facelift 20214.0 TFSI V8
571 hp
426 kW
BMW7 Series (G11 LCI)Facelift 2019750i
530 hp
395 kW

AUDI S8 (D5) Facelift 2021 4.0 TFSI V8 has 41 hp more than BMW 7 Series (G11 LCI) Facelift 2019 750i.

The biggest power difference is between BMW 7 Series (G11 LCI) Facelift 2019 750i and AUDI S8 (D5) Facelift 2021 4.0 TFSI V8: 41 hp (31 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)Facelift 20214.0 TFSI V8
800 Nm
590 lb-ft
BMW7 Series (G11 LCI)Facelift 2019750i
750 Nm
553 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)Facelift 20214.0 TFSI V8
2,220 kg
4,894 lb
BMW7 Series (G11 LCI)Facelift 2019750i
2,040 kg
4,497 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)Facelift 20214.0 TFSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW7 Series (G11 LCI)Facelift 2019750i
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)Facelift 20214.0 TFSI V83.8 s
BMW7 Series (G11 LCI)Facelift 2019750i4.0 s

The biggest 0-100 km/h difference is between AUDI S8 (D5) Facelift 2021 4.0 TFSI V8 and BMW 7 Series (G11 LCI) Facelift 2019 750i: 0.2 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)Facelift 20214.0 TFSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
BMW7 Series (G11 LCI)Facelift 2019750i
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

The biggest fuel consumption difference is between BMW 7 Series (G11 LCI) Facelift 2019 750i and AUDI S8 (D5) Facelift 2021 4.0 TFSI V8: 1.3 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)Facelift 20214.0 TFSI V8
257 hp/t
192 kW/t
3.9 kg/hp
BMW7 Series (G11 LCI)Facelift 2019750i
260 hp/t
194 kW/t
3.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS8 (D5)Facelift 20214.0 TFSI V8
759 km
472 mi
BMW7 Series (G11 LCI)Facelift 2019750i
821 km
510 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS8 (D5)Facelift 20214.0 TFSI V8
571 hp
426 kW
3.8 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW7 Series (G11 LCI)Facelift 2019750i
530 hp
395 kW
4.0 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)Facelift 20214.0 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
5,190 mm
204.3 in
Height
1,475 mm
58.1 in
BMW7 Series (G11 LCI)Facelift 2019750i
Power
530 hp
395 kW
0-100 km/h4.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
515 L
18.2 cu ft
Length
5,120 mm
201.6 in
Height
1,467 mm
57.8 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)Facelift 20214.0 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
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
BMW7 Series (G11 LCI)Facelift 2019750i
Power
530 hp
395 kW
0-100 km/h4.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

BMW 7 Series (G11 LCI) Facelift 2019 750i 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)Facelift 20214.0 TFSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
3.8 s
BMW7 Series (G11 LCI)Facelift 2019750i
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
4.0 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)Facelift 20214.0 TFSI V8
257 hp/t
192 kW/t
3.9 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
BMW7 Series (G11 LCI)Facelift 2019750i
260 hp/t
194 kW/t
3.8 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS8 (D5)Facelift 20214.0 TFSI V8BMW7 Series (G11 LCI)Facelift 2019750i
Power
571 hp
426 kW
530 hp
395 kW
Torque
800 Nm
590 lb-ft
750 Nm
553 lb-ft
Acceleration
3.8 s
4.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,220 kg
4,894 lb
2,040 kg
4,497 lb
Fuel consumption
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
5,190 mm
204.3 in
Height
1,475 mm
58.1 in
Doors/seats
4 doors
5 seats
Trunk
515 L
18.2 cu ft
Length
5,120 mm
201.6 in
Height
1,467 mm
57.8 in
Range score
759 km
472 mi
821 km
510 mi
CO2 score
-
217 g/km
Trunk score
505 L
17.8 cu ft
515 L
18.2 cu ft
Power-to-weight score
257 hp/t
192 kW/t
3.9 kg/hp
260 hp/t
194 kW/t
3.8 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 S8 (D5) Facelift 2021 4.0 TFSI V8BMW 7 Series (G11 LCI) Facelift 2019 750i
Consumption10.8 L/100 km21.8 mpg US26.2 mpg UK9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km18.90 LC100 km16.63 LC100 km
Cost / 100 mi30.42 LC100 mi26.76 LC100 mi
Annual fuel used1,620 L428 US gal356 UK gal1,425 L376 US gal313 UK gal
Annual fuel cost2,835 LC/year2,494 LC/year

Head-to-head comparisons

AUDI S8 (D5) Facelift 2021 4.0 TFSI V8

  • Has 41 hp more
  • Has 50 Nm more
  • Is 0.2 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

BMW 7 Series (G11 LCI) Facelift 2019 750i

  • Is 180 kg lighter
  • Uses 1.3 L/100 km less fuel
  • Has 3 hp/t better power-to-weight
  • Has 62 km (38 mi) more estimated range
  • Has 10 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

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
BMW 7 Series (G11 LCI) 750i
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2 vehicles selected

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AUDI S8 (D5) · Facelift 2021 4.0 TFSI V8 vs BMW 7 Series (G11 LCI) · Facelift 2019 750i - car comparison - FastVsFaster