Car comparison

Bentley Mulsanne II · Facelift 2016 Speed 6.75 V8vsRolls-Royce Ghost I · Facelift 2014 6.6 V12

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

New comparison

Bentley Mulsanne II · Facelift 2016

Speed 6.75 V8

537 hp6752 ccGasolineRWDAutomaticTwin-turboSedan2016-2020
VS

Rolls-Royce Ghost I · Facelift 2014

6.6 V12

612 hp6592 ccGasolineRWDAutomaticTwin-turboSedan2016-2020

Comparison overview

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

Best choices

Rolls-Royce Ghost I Facelift 2014 6.6 V12

  • Quickest 0-100 km/h
    4.8 s
  • Most powerful
    612 hp
    456 kW
  • Lightest
    2,490 kg
    5,490 lb
  • Best power-to-weight
    246 hp/t
    183 kW/t
    4.1 kg/hp
  • Lowest city consumption
    22.2 L/100 km
    10.6 mpg US
    12.7 mpg UK
  • Lowest CO2 emissions
    333 g/km
  • Largest trunk
    490 L
  • Best practicality score
    76/100

Bentley Mulsanne II Facelift 2016 Speed 6.75 V8

  • Fastest top speed
    305 km/h
    190 mph
  • Highest torque
    1,100 Nm
    811 lb-ft
  • Lowest combined fuel consumption
    14.6 L/100 km
    16.1 mpg US
    19.3 mpg UK
  • Lowest highway consumption
    9.9 L/100 km
    23.8 mpg US
    28.5 mpg UK
  • Best estimated range
    658 km
    409 mi
  • Best overall score
    81/100
  • Best performance score
    84/100
  • Best economy score
    68/100

Specification comparison

Specification comparison
ModelBentleyMulsanne IIFacelift 2016Speed 6.75 V8Rolls-RoyceGhost IFacelift 20146.6 V12
Power
537hp400kW
612hp456kW
Torque
1,100Nm811lb-ft
840Nm620lb-ft
Curb weight
2,685kg5,919lb
2,490kg5,490lb
Gross weight
3,200kg7,055lb
2,940kg6,482lb
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
63.3s99% target: 302 km/h / 188 mph
Calculated
52.2s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.9s
4.8s
0-200 km/h
13.7s
Calculated
15.0s
Calculated
0-60 mph
4.7s
Calculated
4.6s
Calculated
Fuel consumption
14.6L/100 km16.1mpg US19.3mpg UK
14.6L/100 km16.1mpg US19.3mpg UK
Fuel consumption city
22.8L/100 km10.3mpg US12.4mpg UK
22.2L/100 km10.6mpg US12.7mpg UK
Fuel consumption highway
9.9L/100 km23.8mpg US28.5mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Quarter mile
12.7s
Calculated
12.8s
Calculated
Power-to-weight
200hp/t149kW/t91hp/1000 lb
Calculated
246hp/t183kW/t111hp/1000 lb
Calculated
Torque-to-weight
410Nm/t274lb-ft/ton
Calculated
337Nm/t226lb-ft/ton
Calculated
Estimated range
658km409mi
Calculated
562km349mi
Calculated
Displacement
6,752cc412cu in
6,592cc402cu in
Length
5,575mm219in
5,399mm213in
Width
1,926mm76in
1,948mm77in
Height
1,521mm60in
1,550mm61in
Wheelbase
3,266mm129in
3,295mm130in
Front track
1,605mm63in
1,622mm64in
Rear track
1,651mm65in
1,660mm65in
Trunk volume
443L
490L
Doors
4
4
Seats
5
5
Fuel tank
96L
82L
CO2 emissions
342g/km
333g/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 Facelift 2016 Speed 6.75 V8Rolls-Royce Ghost I Facelift 2014 6.6 V12PowerTorque
  • Bentley Mulsanne II Facelift 2016 Speed 6.75 V8: Power / Torque
  • Rolls-Royce Ghost I Facelift 2014 6.6 V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BentleyMulsanne IIFacelift 2016Speed 6.75 V84,000 rpm1,750 rpm4,250 rpm
Rolls-RoyceGhost IFacelift 20146.6 V125,250 rpm1,650-5,000 rpm5,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBentleyMulsanne IIFacelift 2016Speed 6.75 V8Rolls-RoyceGhost IFacelift 20146.6 V12
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.6 s
0-100 km/h
0-62 mph
4.9 s
4.8 s
0-200 km/h
0-124 mph
13.7 s
15.0 s
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
5.8 s
5.7 s
1/8 mile
201 m
8.5 s
8.5 s
1000 ft
305 m
10.8 s
10.8 s
1/4 mile
402 m
12.7 s
12.8 s
Trap speed
1/4 mile
402 m
192 km/h
119 mph
186 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
537 hp
400 kW
Rolls-RoyceGhost IFacelift 20146.6 V12
612 hp
456 kW

Rolls-Royce Ghost I Facelift 2014 6.6 V12 has 75 hp more than Bentley Mulsanne II Facelift 2016 Speed 6.75 V8.

The biggest power difference is between Bentley Mulsanne II Facelift 2016 Speed 6.75 V8 and Rolls-Royce Ghost I Facelift 2014 6.6 V12: 75 hp (56 kW).

Torque comparison

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

Chart data table
VehicleValue
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
1,100 Nm
811 lb-ft
Rolls-RoyceGhost IFacelift 20146.6 V12
840 Nm
620 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
2,685 kg
5,919 lb
Rolls-RoyceGhost IFacelift 20146.6 V12
2,490 kg
5,490 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 IIFacelift 2016Speed 6.75 V8
305 km/h
190 mph
Rolls-RoyceGhost IFacelift 20146.6 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 IIFacelift 2016Speed 6.75 V84.9 s
Rolls-RoyceGhost IFacelift 20146.6 V124.8 s

The biggest 0-100 km/h difference is between Rolls-Royce Ghost I Facelift 2014 6.6 V12 and Bentley Mulsanne II Facelift 2016 Speed 6.75 V8: 0.1 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 IIFacelift 2016Speed 6.75 V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Rolls-RoyceGhost IFacelift 20146.6 V12
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
200 hp/t
149 kW/t
5.0 kg/hp
Rolls-RoyceGhost IFacelift 20146.6 V12
246 hp/t
183 kW/t
4.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
658 km
409 mi
Rolls-RoyceGhost IFacelift 20146.6 V12
562 km
349 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
537 hp
400 kW
4.9 s
305 km/h
190 mph
Rolls-RoyceGhost IFacelift 20146.6 V12
612 hp
456 kW
4.8 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 IIFacelift 2016Speed 6.75 V8
Power
537 hp
400 kW
0-100 km/h4.9 s
Top speed
305 km/h
190 mph
Doors/seats
4 doors
5 seats
Trunk
443 L
15.6 cu ft
Length
5,575 mm
219.5 in
Height
1,521 mm
59.9 in
Rolls-RoyceGhost IFacelift 20146.6 V12
Power
612 hp
456 kW
0-100 km/h4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
490 L
17.3 cu ft
Length
5,399 mm
212.6 in
Height
1,550 mm
61.0 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
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
Power
537 hp
400 kW
0-100 km/h4.9 s
Top speed
305 km/h
190 mph
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Rolls-RoyceGhost IFacelift 20146.6 V12
Power
612 hp
456 kW
0-100 km/h4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

Bentley Mulsanne II Facelift 2016 Speed 6.75 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 IIFacelift 2016Speed 6.75 V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
4.9 s
Rolls-RoyceGhost IFacelift 20146.6 V12
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
4.8 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 IIFacelift 2016Speed 6.75 V8
200 hp/t
149 kW/t
5.0 kg/hp
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Rolls-RoyceGhost IFacelift 20146.6 V12
246 hp/t
183 kW/t
4.1 kg/hp
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBentleyMulsanne IIFacelift 2016Speed 6.75 V8Rolls-RoyceGhost IFacelift 20146.6 V12
Power
537 hp
400 kW
612 hp
456 kW
Torque
1,100 Nm
811 lb-ft
840 Nm
620 lb-ft
Acceleration
4.9 s
4.8 s
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,685 kg
5,919 lb
2,490 kg
5,490 lb
Fuel consumption
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Practicality
Doors/seats
4 doors
5 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
490 L
17.3 cu ft
Length
5,399 mm
212.6 in
Height
1,550 mm
61.0 in
Range score
658 km
409 mi
562 km
349 mi
CO2 score
342 g/km
333 g/km
Trunk score
443 L
15.6 cu ft
490 L
17.3 cu ft
Power-to-weight score
200 hp/t
149 kW/t
5.0 kg/hp
246 hp/t
183 kW/t
4.1 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 Facelift 2016 Speed 6.75 V8Rolls-Royce Ghost I Facelift 2014 6.6 V12
Consumption14.6 L/100 km16.1 mpg US19.3 mpg UK14.6 L/100 km16.1 mpg US19.3 mpg UK
Cost / 100 km25.55 LC100 km25.55 LC100 km
Cost / 100 mi41.12 LC100 mi41.12 LC100 mi
Annual fuel used2,190 L579 US gal482 UK gal2,190 L579 US gal482 UK gal
Annual fuel cost3,833 LC/year3,833 LC/year

Head-to-head comparisons

Bentley Mulsanne II Facelift 2016 Speed 6.75 V8

  • Has 260 Nm more
  • Has 40 km/h (25 mph) higher top speed
  • Has 96 km (60 mi) more estimated range

Pros

  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

Rolls-Royce Ghost I Facelift 2014 6.6 V12

  • Has 75 hp more
  • Is 195 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 46 hp/t better power-to-weight
  • Has 47 L more trunk volume
  • Emits 9 g/km less CO2

Pros

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

Cons

  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Bentley Mulsanne II Speed 6.75 V8
Rolls-Royce Ghost I 6.6 V12
Compare selected cars
2 vehicles selected

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