Car comparison

Bentley Mulsanne II 6.75 V8vsAUDI S8 (D4) 4.0 TFSI V8

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

New comparison

Bentley Mulsanne II

6.75 V8

512 hp6752 ccGasolineRWDAutomaticTwin-turboSedan2010-2016
VS

AUDI S8 (D4)

4.0 TFSI V8

520 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2012-2013

Comparison overview

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

Best choices

AUDI S8 (D4) 4.0 TFSI V8

  • Quickest 0-100 km/h
    4.2 s
  • Most powerful
    520 hp
    388 kW
  • Lightest
    1,975 kg
    4,354 lb
  • Best power-to-weight
    263 hp/t
    196 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    10.1 L/100 km
    23.3 mpg US
    28.0 mpg UK
  • Lowest city consumption
    14.4 L/100 km
    16.3 mpg US
    19.6 mpg UK
  • Lowest highway consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Best estimated range
    891 km
    554 mi
  • Largest trunk
    520 L
  • Best overall score
    81/100
  • Best performance score
    83/100
  • Best economy score
    80/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelBentleyMulsanne II6.75 V8AUDIS8 (D4)4.0 TFSI V8
Power
512hp382kW
520hp388kW
Torque
1,020Nm752lb-ft
650Nm479lb-ft
Curb weight
2,585kg5,699lb
1,975kg4,354lb
Gross weight
3,090kg6,812lb
2,575kg5,677lb
Top speed
296 km/h
184 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
66.8s99% target: 293 km/h / 182 mph
Calculated
39.4s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.3s
4.2s
0-200 km/h
15.2s
Calculated
12.3s
Calculated
0-60 mph
5.1s
Calculated
4.0s
Calculated
Fuel consumption
16.9L/100 km13.9mpg US16.7mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Fuel consumption city
25.3L/100 km9.3mpg US11.2mpg UK
14.4L/100 km16.3mpg US19.6mpg UK
Fuel consumption highway
11.8L/100 km19.9mpg US23.9mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Quarter mile
13.2s
Calculated
12.0s
Calculated
Power-to-weight
198hp/t148kW/t90hp/1000 lb
Calculated
263hp/t196kW/t119hp/1000 lb
Calculated
Torque-to-weight
395Nm/t264lb-ft/ton
Calculated
329Nm/t220lb-ft/ton
Calculated
Estimated range
568km353mi
Calculated
891km554mi
Calculated
Displacement
6,752cc412cu in
3,993cc244cu in
Length
5,575mm219in
5,146mm203in
Width
1,926mm76in
1,949mm77in
Height
1,521mm60in
1,458mm57in
Wheelbase
3,266mm129in
2,994mm118in
Front track
1,615mm64in
1,632mm64in
Rear track
1,652mm65in
1,623mm64in
Trunk volume
443L
520L
Doors
4
4
Seats
4
5
Fuel tank
96L
90L
CO2 emissions-
235g/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.

Bentley Mulsanne II 6.75 V8AUDI S8 (D4) 4.0 TFSI V8PowerTorque
  • Bentley Mulsanne II 6.75 V8: Power / Torque
  • AUDI S8 (D4) 4.0 TFSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BentleyMulsanne II6.75 V84,200 rpm1,750 rpm4,450 rpm
AUDIS8 (D4)4.0 TFSI V86,000 rpm1,700-5,500 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBentleyMulsanne II6.75 V8AUDIS8 (D4)4.0 TFSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
4.0 s
0-100 km/h
0-62 mph
5.3 s
4.2 s
0-200 km/h
0-124 mph
15.2 s
12.3 s
Top speed
296 km/h
184 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.2 s
330 ft
101 m
6.0 s
5.4 s
1/8 mile
201 m
8.8 s
8.0 s
1000 ft
305 m
11.2 s
10.2 s
1/4 mile
402 m
13.2 s
12.0 s
Trap speed
1/4 mile
402 m
185 km/h
115 mph
198 km/h
123 mph

Power comparison

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

Chart data table
VehicleValue
BentleyMulsanne II6.75 V8
512 hp
382 kW
AUDIS8 (D4)4.0 TFSI V8
520 hp
388 kW

AUDI S8 (D4) 4.0 TFSI V8 has 8 hp more than Bentley Mulsanne II 6.75 V8.

The biggest power difference is between Bentley Mulsanne II 6.75 V8 and AUDI S8 (D4) 4.0 TFSI V8: 8 hp (6 kW).

Torque comparison

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

Chart data table
VehicleValue
BentleyMulsanne II6.75 V8
1,020 Nm
752 lb-ft
AUDIS8 (D4)4.0 TFSI V8
650 Nm
479 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BentleyMulsanne II6.75 V8
2,585 kg
5,699 lb
AUDIS8 (D4)4.0 TFSI V8
1,975 kg
4,354 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BentleyMulsanne II6.75 V8
296 km/h
184 mph
AUDIS8 (D4)4.0 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
BentleyMulsanne II6.75 V85.3 s
AUDIS8 (D4)4.0 TFSI V84.2 s

The biggest 0-100 km/h difference is between AUDI S8 (D4) 4.0 TFSI V8 and Bentley Mulsanne II 6.75 V8: 1.1 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BentleyMulsanne II6.75 V8
16.9 L/100 km
13.9 mpg US
16.7 mpg UK
AUDIS8 (D4)4.0 TFSI V8
10.1 L/100 km
23.3 mpg US
28.0 mpg UK

The biggest fuel consumption difference is between AUDI S8 (D4) 4.0 TFSI V8 and Bentley Mulsanne II 6.75 V8: 6.8 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
BentleyMulsanne II6.75 V8
198 hp/t
148 kW/t
5.0 kg/hp
AUDIS8 (D4)4.0 TFSI V8
263 hp/t
196 kW/t
3.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BentleyMulsanne II6.75 V8
568 km
353 mi
AUDIS8 (D4)4.0 TFSI V8
891 km
554 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BentleyMulsanne II6.75 V8
512 hp
382 kW
5.3 s
296 km/h
184 mph
AUDIS8 (D4)4.0 TFSI V8
520 hp
388 kW
4.2 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
BentleyMulsanne II6.75 V8
Power
512 hp
382 kW
0-100 km/h5.3 s
Top speed
296 km/h
184 mph
Doors/seats
4 doors
4 seats
Trunk
443 L
15.6 cu ft
Length
5,575 mm
219.5 in
Height
1,521 mm
59.9 in
AUDIS8 (D4)4.0 TFSI V8
Power
520 hp
388 kW
0-100 km/h4.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,146 mm
202.6 in
Height
1,458 mm
57.4 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
BentleyMulsanne II6.75 V8
Power
512 hp
382 kW
0-100 km/h5.3 s
Top speed
296 km/h
184 mph
16.9 L/100 km
13.9 mpg US
16.7 mpg UK
AUDIS8 (D4)4.0 TFSI V8
Power
520 hp
388 kW
0-100 km/h4.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.1 L/100 km
23.3 mpg US
28.0 mpg UK

AUDI S8 (D4) 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
BentleyMulsanne II6.75 V8
16.9 L/100 km
13.9 mpg US
16.7 mpg UK
5.3 s
AUDIS8 (D4)4.0 TFSI V8
10.1 L/100 km
23.3 mpg US
28.0 mpg UK
4.2 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
BentleyMulsanne II6.75 V8
198 hp/t
148 kW/t
5.0 kg/hp
16.9 L/100 km
13.9 mpg US
16.7 mpg UK
AUDIS8 (D4)4.0 TFSI V8
263 hp/t
196 kW/t
3.8 kg/hp
10.1 L/100 km
23.3 mpg US
28.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBentleyMulsanne II6.75 V8AUDIS8 (D4)4.0 TFSI V8
Power
512 hp
382 kW
520 hp
388 kW
Torque
1,020 Nm
752 lb-ft
650 Nm
479 lb-ft
Acceleration
5.3 s
4.2 s
Top speed
296 km/h
184 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,585 kg
5,699 lb
1,975 kg
4,354 lb
Fuel consumption
16.9 L/100 km
13.9 mpg US
16.7 mpg UK
10.1 L/100 km
23.3 mpg US
28.0 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
443 L
15.6 cu ft
Length
5,575 mm
219.5 in
Height
1,521 mm
59.9 in
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,146 mm
202.6 in
Height
1,458 mm
57.4 in
Range score
568 km
353 mi
891 km
554 mi
CO2 score
-
235 g/km
Trunk score
443 L
15.6 cu ft
520 L
18.4 cu ft
Power-to-weight score
198 hp/t
148 kW/t
5.0 kg/hp
263 hp/t
196 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
VehicleBentley Mulsanne II 6.75 V8AUDI S8 (D4) 4.0 TFSI V8
Consumption16.9 L/100 km13.9 mpg US16.7 mpg UK10.1 L/100 km23.3 mpg US28 mpg UK
Cost / 100 km29.57 LC100 km17.68 LC100 km
Cost / 100 mi47.60 LC100 mi28.45 LC100 mi
Annual fuel used2,535 L670 US gal558 UK gal1,515 L400 US gal333 UK gal
Annual fuel cost4,436 LC/year2,651 LC/year

Head-to-head comparisons

Bentley Mulsanne II 6.75 V8

  • Has 370 Nm more
  • Has 31 km/h (19 mph) higher top speed

Pros

  • Highest top speed
  • Highest torque

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

AUDI S8 (D4) 4.0 TFSI V8

  • Has 8 hp more
  • Is 610 kg lighter
  • Is 1.1 s quicker from 0-100 km/h
  • Uses 6.8 L/100 km less fuel
  • Has 65 hp/t better power-to-weight
  • Has 323 km (201 mi) more estimated range
  • Has 77 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Bentley Mulsanne II 6.75 V8
AUDI S8 (D4) 4.0 TFSI V8
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