Car comparison

BMW M5 (F90) Competition 4.4 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
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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

BMW M5 (F90) Competition 4.4 V8

  • Quickest 0-100 km/h
    3.3 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    625 hp
    466 kW
  • Lightest
    1,865 kg
    4,112 lb
  • Best power-to-weight
    335 hp/t
    250 kW/t
    3.0 kg/hp
  • Lowest combined fuel consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest city consumption
    15.2 L/100 km
    15.5 mpg US
    18.6 mpg UK
  • Lowest highway consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Lowest CO2 emissions
    246 g/km
  • Best estimated range
    630 km
    391 mi
  • Largest trunk
    530 L
  • Best overall score
    84/100
  • Best performance score
    88/100
  • Best economy score
    78/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelBMWM5 (F90)Competition 4.4 V8Rolls-RoyceGhost IFacelift 20146.6 V12
Power
625hp466kW
612hp456kW
Torque
750Nm553lb-ft
840Nm620lb-ft
Curb weight
1,865kg4,112lb
2,490kg5,490lb
Gross weight
2,440kg5,379lb
2,940kg6,482lb
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
39.4s99% target: 262 km/h / 163 mph
Calculated
52.2s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.3s
4.8s
0-200 km/h
10.8s
15.0s
Calculated
0-60 mph
3.1s
Calculated
4.6s
Calculated
Fuel consumption
10.8L/100 km21.8mpg US26.2mpg UK
14.6L/100 km16.1mpg US19.3mpg UK
Fuel consumption city
15.2L/100 km15.5mpg US18.6mpg UK
22.2L/100 km10.6mpg US12.7mpg UK
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Quarter mile
11.2s
Calculated
12.8s
Calculated
Power-to-weight
335hp/t250kW/t152hp/1000 lb
Calculated
246hp/t183kW/t111hp/1000 lb
Calculated
Torque-to-weight
402Nm/t269lb-ft/ton
Calculated
337Nm/t226lb-ft/ton
Calculated
Estimated range
630km391mi
Calculated
562km349mi
Calculated
Displacement
4,395cc268cu in
6,592cc402cu in
Length
4,966mm196in
5,399mm213in
Width
1,903mm75in
1,948mm77in
Height
1,469mm58in
1,550mm61in
Wheelbase
2,982mm117in
3,295mm130in
Front track
1,625mm64in
1,622mm64in
Rear track
1,594mm63in
1,660mm65in
Ground clearance
128mm5in
-
Trunk volume
530L
490L
Doors
4
4
Seats
5
5
Fuel tank
68L
82L
CO2 emissions
246g/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.

BMW M5 (F90) Competition 4.4 V8Rolls-Royce Ghost I Facelift 2014 6.6 V12PowerTorque
  • BMW M5 (F90) Competition 4.4 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
BMWM5 (F90)Competition 4.4 V86,000 rpm1,800-5,800 rpm6,250 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
MetricBMWM5 (F90)Competition 4.4 V8Rolls-RoyceGhost IFacelift 20146.6 V12
Acceleration checkpoints
0-60 mph
0-97 km/h
3.1 s
4.6 s
0-100 km/h
0-62 mph
3.3 s
4.8 s
0-200 km/h
0-124 mph
10.8 s
15.0 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
1.9 s
2.3 s
330 ft
101 m
4.8 s
5.7 s
1/8 mile
201 m
7.3 s
8.5 s
1000 ft
305 m
9.4 s
10.8 s
1/4 mile
402 m
11.2 s
12.8 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
186 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
BMWM5 (F90)Competition 4.4 V8
625 hp
466 kW
Rolls-RoyceGhost IFacelift 20146.6 V12
612 hp
456 kW

BMW M5 (F90) Competition 4.4 V8 has 13 hp more than Rolls-Royce Ghost I Facelift 2014 6.6 V12.

The biggest power difference is between Rolls-Royce Ghost I Facelift 2014 6.6 V12 and BMW M5 (F90) Competition 4.4 V8: 13 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWM5 (F90)Competition 4.4 V8
750 Nm
553 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
BMWM5 (F90)Competition 4.4 V8
1,865 kg
4,112 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
BMWM5 (F90)Competition 4.4 V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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

The biggest 0-100 km/h difference is between BMW M5 (F90) Competition 4.4 V8 and Rolls-Royce Ghost I Facelift 2014 6.6 V12: 1.5 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWM5 (F90)Competition 4.4 V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
Rolls-RoyceGhost IFacelift 20146.6 V12
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

The biggest fuel consumption difference is between BMW M5 (F90) Competition 4.4 V8 and Rolls-Royce Ghost I Facelift 2014 6.6 V12: 3.8 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
BMWM5 (F90)Competition 4.4 V8
335 hp/t
250 kW/t
3.0 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
BMWM5 (F90)Competition 4.4 V8
630 km
391 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
BMWM5 (F90)Competition 4.4 V8
625 hp
466 kW
3.3 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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
BMWM5 (F90)Competition 4.4 V8
Power
625 hp
466 kW
0-100 km/h3.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
4,966 mm
195.5 in
Height
1,469 mm
57.8 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
BMWM5 (F90)Competition 4.4 V8
Power
625 hp
466 kW
0-100 km/h3.3 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
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

BMW M5 (F90) Competition 4.4 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
BMWM5 (F90)Competition 4.4 V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
3.3 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
BMWM5 (F90)Competition 4.4 V8
335 hp/t
250 kW/t
3.0 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 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
VehicleBMWM5 (F90)Competition 4.4 V8Rolls-RoyceGhost IFacelift 20146.6 V12
Power
625 hp
466 kW
612 hp
456 kW
Torque
750 Nm
553 lb-ft
840 Nm
620 lb-ft
Acceleration
3.3 s
4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,865 kg
4,112 lb
2,490 kg
5,490 lb
Fuel consumption
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
4,966 mm
195.5 in
Height
1,469 mm
57.8 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
630 km
391 mi
562 km
349 mi
CO2 score
246 g/km
333 g/km
Trunk score
530 L
18.7 cu ft
490 L
17.3 cu ft
Power-to-weight score
335 hp/t
250 kW/t
3.0 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
VehicleBMW M5 (F90) Competition 4.4 V8Rolls-Royce Ghost I Facelift 2014 6.6 V12
Consumption10.8 L/100 km21.8 mpg US26.2 mpg UK14.6 L/100 km16.1 mpg US19.3 mpg UK
Cost / 100 km18.90 LC100 km25.55 LC100 km
Cost / 100 mi30.42 LC100 mi41.12 LC100 mi
Annual fuel used1,620 L428 US gal356 UK gal2,190 L579 US gal482 UK gal
Annual fuel cost2,835 LC/year3,833 LC/year

Head-to-head comparisons

BMW M5 (F90) Competition 4.4 V8

  • Has 13 hp more
  • Is 625 kg lighter
  • Is 1.5 s quicker from 0-100 km/h
  • Uses 3.8 L/100 km less fuel
  • Has 89 hp/t better power-to-weight
  • Has 68 km (42 mi) more estimated range
  • Has 40 L more trunk volume
  • Emits 87 g/km less CO2

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW M5 (F90) Competition 4.4 V8
Rolls-Royce Ghost I 6.6 V12
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BMW M5 (F90) Competition 4.4 V8 vs Rolls-Royce Ghost I · Facelift 2014 6.6 V12 - car comparison - FastVsFaster