Car comparison

Bentley Mulsanne EWB 6.75 V8vsRolls-Royce Phantom VIII 6.7 V12

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

New comparison

Bentley Mulsanne EWB

6.75 V8

512 hp6752 ccGasolineRWDAutomaticTwin-turboSedan2016-2020
VS

Rolls-Royce Phantom VIII

6.7 V12

571 hp6749 ccGasolineRWDAutomaticTwin-turboSedan2017-present

Comparison overview

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

Best choices

Rolls-Royce Phantom VIII 6.7 V12

  • Quickest 0-100 km/h
    5.3 s
  • Most powerful
    571 hp
    426 kW
  • Lightest
    2,560 kg
    5,644 lb
  • Best power-to-weight
    223 hp/t
    166 kW/t
    4.5 kg/hp
  • Lowest combined fuel consumption
    13.9 L/100 km
    16.9 mpg US
    20.3 mpg UK
  • Lowest city consumption
    21.3 L/100 km
    11.0 mpg US
    13.3 mpg UK
  • Lowest highway consumption
    9.7 L/100 km
    24.2 mpg US
    29.1 mpg UK
  • Lowest CO2 emissions
    318 g/km
  • Largest trunk
    548 L
  • Best economy score
    70/100
  • Best practicality score
    75/100

Bentley Mulsanne EWB 6.75 V8

  • Fastest top speed
    296 km/h
    184 mph
  • Highest torque
    1,020 Nm
    752 lb-ft
  • Best overall score
    78/100
  • Best performance score
    82/100

Specification comparison

Specification comparison
ModelBentleyMulsanne EWB6.75 V8Rolls-RoycePhantom VIII6.7 V12
Power
512hp382kW
571hp426kW
Torque
1,020Nm752lb-ft
900Nm664lb-ft
Curb weight
2,730kg6,019lb
2,560kg5,644lb
Gross weight
3,200kg7,055lb
-
Top speed
296 km/h
184 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
70.4s99% target: 293 km/h / 182 mph
Calculated
57.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.5s
5.3s
0-200 km/h
15.9s
Calculated
16.6s
Calculated
0-60 mph
5.3s
Calculated
5.1s
Calculated
Fuel consumption
14.6L/100 km16.1mpg US19.3mpg UK
13.9L/100 km16.9mpg US20.3mpg UK
Fuel consumption city
22.8L/100 km10.3mpg US12.4mpg UK
21.3L/100 km11mpg US13.3mpg UK
Fuel consumption highway
9.9L/100 km23.8mpg US28.5mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Quarter mile
13.4s
Calculated
13.3s
Calculated
Power-to-weight
188hp/t140kW/t85hp/1000 lb
Calculated
223hp/t166kW/t101hp/1000 lb
Calculated
Torque-to-weight
374Nm/t250lb-ft/ton
Calculated
352Nm/t235lb-ft/ton
Calculated
Estimated range
658km409mi
Calculated
-
Displacement
6,752cc412cu in
6,749cc412cu in
Length
5,825mm229in
5,762mm227in
Width
1,926mm76in
2,018mm79in
Height
1,541mm61in
1,646mm65in
Wheelbase
3,516mm138in
3,552mm140in
Front track
1,605mm63in
-
Rear track
1,651mm65in
-
Trunk volume
446L
548L
Doors
4
4
Seats
4
4
Fuel tank
96L
-
CO2 emissions
344g/km
318g/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 EWB 6.75 V8Rolls-Royce Phantom VIII 6.7 V12PowerTorque
  • Bentley Mulsanne EWB 6.75 V8: Power / Torque
  • Rolls-Royce Phantom VIII 6.7 V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BentleyMulsanne EWB6.75 V84,000 rpm1,750 rpm4,250 rpm
Rolls-RoycePhantom VIII6.7 V125,000 rpm1,700 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBentleyMulsanne EWB6.75 V8Rolls-RoycePhantom VIII6.7 V12
Acceleration checkpoints
0-60 mph
0-97 km/h
5.3 s
5.1 s
0-100 km/h
0-62 mph
5.5 s
5.3 s
0-200 km/h
0-124 mph
15.9 s
16.6 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
2.4 s
330 ft
101 m
6.1 s
6.0 s
1/8 mile
201 m
9.0 s
8.8 s
1000 ft
305 m
11.4 s
11.3 s
1/4 mile
402 m
13.4 s
13.3 s
Trap speed
1/4 mile
402 m
182 km/h
113 mph
180 km/h
112 mph

Power comparison

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

Chart data table
VehicleValue
BentleyMulsanne EWB6.75 V8
512 hp
382 kW
Rolls-RoycePhantom VIII6.7 V12
571 hp
426 kW

Rolls-Royce Phantom VIII 6.7 V12 has 59 hp more than Bentley Mulsanne EWB 6.75 V8.

The biggest power difference is between Bentley Mulsanne EWB 6.75 V8 and Rolls-Royce Phantom VIII 6.7 V12: 59 hp (44 kW).

Torque comparison

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

Chart data table
VehicleValue
BentleyMulsanne EWB6.75 V8
1,020 Nm
752 lb-ft
Rolls-RoycePhantom VIII6.7 V12
900 Nm
664 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BentleyMulsanne EWB6.75 V8
2,730 kg
6,019 lb
Rolls-RoycePhantom VIII6.7 V12
2,560 kg
5,644 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 EWB6.75 V8
296 km/h
184 mph
Rolls-RoycePhantom VIII6.7 V12
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 EWB6.75 V85.5 s
Rolls-RoycePhantom VIII6.7 V125.3 s

The biggest 0-100 km/h difference is between Rolls-Royce Phantom VIII 6.7 V12 and Bentley Mulsanne EWB 6.75 V8: 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
BentleyMulsanne EWB6.75 V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Rolls-RoycePhantom VIII6.7 V12
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

The biggest fuel consumption difference is between Rolls-Royce Phantom VIII 6.7 V12 and Bentley Mulsanne EWB 6.75 V8: 0.7 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 EWB6.75 V8
188 hp/t
140 kW/t
5.3 kg/hp
Rolls-RoycePhantom VIII6.7 V12
223 hp/t
166 kW/t
4.5 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BentleyMulsanne EWB6.75 V8
512 hp
382 kW
5.5 s
296 km/h
184 mph
Rolls-RoycePhantom VIII6.7 V12
571 hp
426 kW
5.3 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 EWB6.75 V8
Power
512 hp
382 kW
0-100 km/h5.5 s
Top speed
296 km/h
184 mph
Doors/seats
4 doors
4 seats
Trunk
446 L
15.8 cu ft
Length
5,825 mm
229.3 in
Height
1,541 mm
60.7 in
Rolls-RoycePhantom VIII6.7 V12
Power
571 hp
426 kW
0-100 km/h5.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
548 L
19.4 cu ft
Length
5,762 mm
226.9 in
Height
1,646 mm
64.8 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
BentleyMulsanne EWB6.75 V8
Power
512 hp
382 kW
0-100 km/h5.5 s
Top speed
296 km/h
184 mph
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Rolls-RoycePhantom VIII6.7 V12
Power
571 hp
426 kW
0-100 km/h5.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

Rolls-Royce Phantom VIII 6.7 V12 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 EWB6.75 V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
5.5 s
Rolls-RoycePhantom VIII6.7 V12
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
5.3 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 EWB6.75 V8
188 hp/t
140 kW/t
5.3 kg/hp
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Rolls-RoycePhantom VIII6.7 V12
223 hp/t
166 kW/t
4.5 kg/hp
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBentleyMulsanne EWB6.75 V8Rolls-RoycePhantom VIII6.7 V12
Power
512 hp
382 kW
571 hp
426 kW
Torque
1,020 Nm
752 lb-ft
900 Nm
664 lb-ft
Acceleration
5.5 s
5.3 s
Top speed
296 km/h
184 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,730 kg
6,019 lb
2,560 kg
5,644 lb
Fuel consumption
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
446 L
15.8 cu ft
Length
5,825 mm
229.3 in
Height
1,541 mm
60.7 in
Doors/seats
4 doors
4 seats
Trunk
548 L
19.4 cu ft
Length
5,762 mm
226.9 in
Height
1,646 mm
64.8 in
Range score
658 km
409 mi
-
CO2 score
344 g/km
318 g/km
Trunk score
446 L
15.8 cu ft
548 L
19.4 cu ft
Power-to-weight score
188 hp/t
140 kW/t
5.3 kg/hp
223 hp/t
166 kW/t
4.5 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 EWB 6.75 V8Rolls-Royce Phantom VIII 6.7 V12
Consumption14.6 L/100 km16.1 mpg US19.3 mpg UK13.9 L/100 km16.9 mpg US20.3 mpg UK
Cost / 100 km25.55 LC100 km24.33 LC100 km
Cost / 100 mi41.12 LC100 mi39.15 LC100 mi
Annual fuel used2,190 L579 US gal482 UK gal2,085 L551 US gal459 UK gal
Annual fuel cost3,833 LC/year3,649 LC/year

Head-to-head comparisons

Bentley Mulsanne EWB 6.75 V8

  • Has 120 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
  • Highest CO2 emissions

Rolls-Royce Phantom VIII 6.7 V12

  • Has 59 hp more
  • Is 170 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.7 L/100 km less fuel
  • Has 36 hp/t better power-to-weight
  • Has 102 L more trunk volume
  • Emits 26 g/km less CO2

Pros

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

Cons

  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Bentley Mulsanne EWB 6.75 V8
Rolls-Royce Phantom VIII 6.7 V12
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