Car comparison

BMW X7 (G07) M50i V8vsRolls-Royce Cullinan 6.7 V12

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

New comparison

BMW X7 (G07)

M50i V8

530 hp4395 ccGasolineAWDAutomaticTurbochargedSUV2019-2022
VS

Rolls-Royce Cullinan

6.7 V12

571 hp6749 ccGasolineAWDAutomaticTwin-turboSUV2018-present

Comparison overview

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

Best choices

BMW X7 (G07) M50i V8

  • Quickest 0-100 km/h
    4.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    2,490 kg
    5,490 lb
  • Lowest combined fuel consumption
    11.2 L/100 km
    21.0 mpg US
    25.2 mpg UK
  • Lowest city consumption
    15.3 L/100 km
    15.4 mpg US
    18.5 mpg UK
  • Lowest highway consumption
    8.9 L/100 km
    26.4 mpg US
    31.7 mpg UK
  • Lowest CO2 emissions
    258 g/km
  • Best overall score
    80/100
  • Best performance score
    80/100
  • Best economy score
    77/100

Rolls-Royce Cullinan 6.7 V12

  • Most powerful
    571 hp
    426 kW
  • Highest torque
    850 Nm
    627 lb-ft
  • Best power-to-weight
    215 hp/t
    160 kW/t
    4.7 kg/hp
  • Largest trunk
    526 L
  • Best practicality score
    84/100

Specification comparison

Specification comparison
ModelBMWX7 (G07)M50i V8Rolls-RoyceCullinan6.7 V12
Power
530hp395kW
571hp426kW
Torque
750Nm553lb-ft
850Nm627lb-ft
Curb weight
2,490kg5,490lb
2,660kg5,864lb
Gross weight
3,295kg7,264lb
-
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
66.2s99% target: 257 km/h / 160 mph
Calculated
72.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.7s
5.2s
0-200 km/h
17.2s
Calculated
19.0s
Calculated
0-60 mph
4.5s
Calculated
4.9s
Calculated
Fuel consumption
11.2L/100 km21mpg US25.2mpg UK
15L/100 km15.7mpg US18.8mpg UK
Fuel consumption city
15.3L/100 km15.4mpg US18.5mpg UK
22.4L/100 km10.5mpg US12.6mpg UK
Fuel consumption highway
8.9L/100 km26.4mpg US31.7mpg UK
11L/100 km21.4mpg US25.7mpg UK
Quarter mile
12.9s
Calculated
13.4s
Calculated
Power-to-weight
213hp/t159kW/t97hp/1000 lb
Calculated
215hp/t160kW/t97hp/1000 lb
Calculated
Torque-to-weight
301Nm/t202lb-ft/ton
Calculated
320Nm/t214lb-ft/ton
Calculated
Estimated range
741km460mi
Calculated
-
Displacement
4,395cc268cu in
6,749cc412cu in
Length
5,151mm203in
5,341mm210in
Width
2,000mm79in
2,000mm79in
Height
1,805mm71in
1,835mm72in
Wheelbase
3,105mm122in
3,295mm130in
Front track
1,682mm66in
-
Rear track
1,703mm67in
-
Ground clearance
221mm9in
-
Trunk volume
326L
526L
Max trunk volume
2,120L
-
Doors
5
4
Seats
6
5
Fuel tank
83L
-
CO2 emissions
258g/km
341g/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 X7 (G07) M50i V8Rolls-Royce Cullinan 6.7 V12PowerTorque
  • BMW X7 (G07) M50i V8: Power / Torque
  • Rolls-Royce Cullinan 6.7 V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX7 (G07)M50i V85,500-6,000 rpm1,800-4,600 rpm6,250 rpm
Rolls-RoyceCullinan6.7 V125,000 rpm1,600 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX7 (G07)M50i V8Rolls-RoyceCullinan6.7 V12
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
4.9 s
0-100 km/h
0-62 mph
4.7 s
5.2 s
0-200 km/h
0-124 mph
17.2 s
19.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 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
5.5 s
5.8 s
1/8 mile
201 m
8.4 s
8.7 s
1000 ft
305 m
10.8 s
11.2 s
1/4 mile
402 m
12.9 s
13.4 s
Trap speed
1/4 mile
402 m
177 km/h
110 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
BMWX7 (G07)M50i V8
530 hp
395 kW
Rolls-RoyceCullinan6.7 V12
571 hp
426 kW

Rolls-Royce Cullinan 6.7 V12 has 41 hp more than BMW X7 (G07) M50i V8.

The biggest power difference is between BMW X7 (G07) M50i V8 and Rolls-Royce Cullinan 6.7 V12: 41 hp (31 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWX7 (G07)M50i V8
750 Nm
553 lb-ft
Rolls-RoyceCullinan6.7 V12
850 Nm
627 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX7 (G07)M50i V8
2,490 kg
5,490 lb
Rolls-RoyceCullinan6.7 V12
2,660 kg
5,864 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWX7 (G07)M50i V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Rolls-RoyceCullinan6.7 V12
Unrestricted
260 km/h162 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
BMWX7 (G07)M50i V84.7 s
Rolls-RoyceCullinan6.7 V125.2 s

Although Rolls-Royce Cullinan 6.7 V12 has more power, BMW X7 (G07) M50i V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW X7 (G07) M50i V8 and Rolls-Royce Cullinan 6.7 V12: 0.5 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWX7 (G07)M50i V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Rolls-RoyceCullinan6.7 V12
15.0 L/100 km
15.7 mpg US
18.8 mpg UK

The biggest fuel consumption difference is between BMW X7 (G07) M50i V8 and Rolls-Royce Cullinan 6.7 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
BMWX7 (G07)M50i V8
213 hp/t
159 kW/t
4.7 kg/hp
Rolls-RoyceCullinan6.7 V12
215 hp/t
160 kW/t
4.7 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX7 (G07)M50i V8
530 hp
395 kW
4.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Rolls-RoyceCullinan6.7 V12
571 hp
426 kW
5.2 s
Unrestricted
260 km/h162 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
BMWX7 (G07)M50i V8
Power
530 hp
395 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
6 seats
Trunk
326 L
11.5 cu ft
Length
5,151 mm
202.8 in
Height
1,805 mm
71.1 in
Rolls-RoyceCullinan6.7 V12
Power
571 hp
426 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
526 L
18.6 cu ft
Length
5,341 mm
210.3 in
Height
1,835 mm
72.2 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
BMWX7 (G07)M50i V8
Power
530 hp
395 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Rolls-RoyceCullinan6.7 V12
Power
571 hp
426 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
15.0 L/100 km
15.7 mpg US
18.8 mpg UK

BMW X7 (G07) M50i 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
BMWX7 (G07)M50i V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
4.7 s
Rolls-RoyceCullinan6.7 V12
15.0 L/100 km
15.7 mpg US
18.8 mpg UK
5.2 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
BMWX7 (G07)M50i V8
213 hp/t
159 kW/t
4.7 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Rolls-RoyceCullinan6.7 V12
215 hp/t
160 kW/t
4.7 kg/hp
15.0 L/100 km
15.7 mpg US
18.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX7 (G07)M50i V8Rolls-RoyceCullinan6.7 V12
Power
530 hp
395 kW
571 hp
426 kW
Torque
750 Nm
553 lb-ft
850 Nm
627 lb-ft
Acceleration
4.7 s
5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,490 kg
5,490 lb
2,660 kg
5,864 lb
Fuel consumption
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
15.0 L/100 km
15.7 mpg US
18.8 mpg UK
Practicality
Doors/seats
5 doors
6 seats
Trunk
326 L
11.5 cu ft
Length
5,151 mm
202.8 in
Height
1,805 mm
71.1 in
Doors/seats
4 doors
5 seats
Trunk
526 L
18.6 cu ft
Length
5,341 mm
210.3 in
Height
1,835 mm
72.2 in
Range score
741 km
460 mi
-
CO2 score
258 g/km
341 g/km
Trunk score
326 L
11.5 cu ft
526 L
18.6 cu ft
Power-to-weight score
213 hp/t
159 kW/t
4.7 kg/hp
215 hp/t
160 kW/t
4.7 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 X7 (G07) M50i V8Rolls-Royce Cullinan 6.7 V12
Consumption11.2 L/100 km21 mpg US25.2 mpg UK15 L/100 km15.7 mpg US18.8 mpg UK
Cost / 100 km19.60 LC100 km26.25 LC100 km
Cost / 100 mi31.54 LC100 mi42.25 LC100 mi
Annual fuel used1,680 L444 US gal370 UK gal2,250 L594 US gal495 UK gal
Annual fuel cost2,940 LC/year3,938 LC/year

Head-to-head comparisons

BMW X7 (G07) M50i V8

  • Is 170 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Uses 3.8 L/100 km less fuel
  • Emits 83 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption

Cons

  • Lowest power
  • Smallest trunk

Rolls-Royce Cullinan 6.7 V12

  • Has 41 hp more
  • Has 100 Nm more
  • Has 2 hp/t better power-to-weight
  • Has 200 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X7 (G07) M50i V8
Rolls-Royce Cullinan 6.7 V12
Compare selected cars
2 vehicles selected

Popular comparisons

M50i V8
M60i
VS
BMWX7 (G07)M50i V8vsBMWX7 (G07)Facelift 2022M60i
6.7 V12
AMG GLS 63
VS
Rolls-RoyceCullinan6.7 V12vsMercedes-BenzGLS (X166)AMG GLS 63
M50i V8
4.4 V8
VS
BMWX7 (G07)M50i V8vsBMWX5 M (F85)4.4 V8
M50i V8
4.4 V8
VS
BMWX7 (G07)M50i V8vsBMWX6 M (F86)4.4 V8
M50i V8
50i
VS
BMWX7 (G07)M50i V8vsBMWX6 (F16)50i
6.7 V12
90D 90 kWh
VS
Rolls-RoyceCullinan6.7 V12vsTeslaModel X90D 90 kWh
M50i V8
4.4 V8
VS
BMWX7 (G07)M50i V8vsBMWX6 M (E71)Facelift 20124.4 V8
6.7 V12
4.0 V8
VS
Rolls-RoyceCullinan6.7 V12vsBentleyBentayga4.0 V8
M50i V8
GLS 600 V8
VS
BMWX7 (G07)M50i V8vsMercedes-BenzGLS (X167)GLS 600 V8
M50i V8
GLS 600 V8
VS
BMWX7 (G07)M50i V8vsMercedes-BenzMaybach GLS (X167)GLS 600 V8
M50i V8
4.0 V8
VS
BMWX7 (G07)M50i V8vsBentleyBentaygaFacelift 20204.0 V8
M50i V8
4.4
VS
BMWX7 (G07)M50i V8vsBMWX5 M (E70)4.4
BMW X7 (G07) M50i V8 vs Rolls-Royce Cullinan 6.7 V12 - car comparison - FastVsFaster