Car comparison

Porsche Cayenne III Turbo 4.0 V8vsBMW X7 (G07) M50i V8

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

New comparison

Porsche Cayenne III

Turbo 4.0 V8

550 hp3996 ccGasolineAWDAutomaticTwin-turboSUV2017-2023
VS

BMW X7 (G07)

M50i V8

530 hp4395 ccGasolineAWDAutomaticTurbochargedSUV2019-2022

Comparison overview

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

Best choices

Porsche Cayenne III Turbo 4.0 V8

  • Quickest 0-100 km/h
    4.1 s
  • Fastest top speed
    286 km/h
    178 mph
  • Most powerful
    550 hp
    410 kW
  • Highest torque
    770 Nm
    568 lb-ft
  • Lightest
    2,175 kg
    4,795 lb
  • Best power-to-weight
    253 hp/t
    189 kW/t
    4.0 kg/hp
  • Best estimated range
    756 km
    470 mi
  • Largest trunk
    745 L
  • Best overall score
    87/100
  • Best performance score
    85/100
  • Best practicality score
    92/100

BMW X7 (G07) M50i V8

  • 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 economy score
    77/100

Specification comparison

Specification comparison
ModelPorscheCayenne IIITurbo 4.0 V8BMWX7 (G07)M50i V8
Power
550hp410kW
530hp395kW
Torque
770Nm568lb-ft
750Nm553lb-ft
Curb weight
2,175kg4,795lb
2,490kg5,490lb
Gross weight
2,935kg6,471lb
3,295kg7,264lb
Top speed
286 km/h
178 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
57.1s99% target: 283 km/h / 176 mph
Calculated
66.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.1s
4.7s
0-200 km/h
12.8s
Calculated
17.2s
Calculated
0-60 mph
3.9s
Calculated
4.5s
Calculated
Fuel consumption
11.9L/100 km19.8mpg US23.7mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption city
16.4L/100 km14.3mpg US17.2mpg UK
15.3L/100 km15.4mpg US18.5mpg UK
Fuel consumption highway
9.5L/100 km24.8mpg US29.7mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Quarter mile
12.0s
Calculated
12.9s
Calculated
Power-to-weight
253hp/t189kW/t115hp/1000 lb
Calculated
213hp/t159kW/t97hp/1000 lb
Calculated
Torque-to-weight
354Nm/t237lb-ft/ton
Calculated
301Nm/t202lb-ft/ton
Calculated
Estimated range
756km470mi
Calculated
741km460mi
Calculated
Displacement
3,996cc244cu in
4,395cc268cu in
Length
4,926mm194in
5,151mm203in
Width
1,983mm78in
2,000mm79in
Height
1,673mm66in
1,805mm71in
Wheelbase
2,895mm114in
3,105mm122in
Front track-
1,682mm66in
Rear track-
1,703mm67in
Ground clearance-
221mm9in
Trunk volume
745L
326L
Max trunk volume
1,680L
2,120L
Doors
5
5
Seats
5
6
Fuel tank
90L
83L
CO2 emissions
272g/km
258g/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.

Porsche Cayenne III Turbo 4.0 V8BMW X7 (G07) M50i V8PowerTorque
  • Porsche Cayenne III Turbo 4.0 V8: Power / Torque
  • BMW X7 (G07) M50i V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayenne IIITurbo 4.0 V85,750-6,000 rpm1,960-4,500 rpm6,250 rpm
BMWX7 (G07)M50i V85,500-6,000 rpm1,800-4,600 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayenne IIITurbo 4.0 V8BMWX7 (G07)M50i V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.9 s
4.5 s
0-100 km/h
0-62 mph
4.1 s
4.7 s
0-200 km/h
0-124 mph
12.8 s
17.2 s
Top speed
286 km/h
178 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.3 s
5.5 s
1/8 mile
201 m
7.9 s
8.4 s
1000 ft
305 m
10.2 s
10.8 s
1/4 mile
402 m
12.0 s
12.9 s
Trap speed
1/4 mile
402 m
194 km/h
121 mph
177 km/h
110 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
550 hp
410 kW
BMWX7 (G07)M50i V8
530 hp
395 kW

Porsche Cayenne III Turbo 4.0 V8 has 20 hp more than BMW X7 (G07) M50i V8.

The biggest power difference is between BMW X7 (G07) M50i V8 and Porsche Cayenne III Turbo 4.0 V8: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
770 Nm
568 lb-ft
BMWX7 (G07)M50i V8
750 Nm
553 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
2,175 kg
4,795 lb
BMWX7 (G07)M50i V8
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
PorscheCayenne IIITurbo 4.0 V8
286 km/h
178 mph
BMWX7 (G07)M50i V8
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
PorscheCayenne IIITurbo 4.0 V84.1 s
BMWX7 (G07)M50i V84.7 s

The biggest 0-100 km/h difference is between Porsche Cayenne III Turbo 4.0 V8 and BMW X7 (G07) M50i V8: 0.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
BMWX7 (G07)M50i V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

The biggest fuel consumption difference is between BMW X7 (G07) M50i V8 and Porsche Cayenne III Turbo 4.0 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
PorscheCayenne IIITurbo 4.0 V8
253 hp/t
189 kW/t
4.0 kg/hp
BMWX7 (G07)M50i V8
213 hp/t
159 kW/t
4.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
756 km
470 mi
BMWX7 (G07)M50i V8
741 km
460 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayenne IIITurbo 4.0 V8
550 hp
410 kW
4.1 s
286 km/h
178 mph
BMWX7 (G07)M50i V8
530 hp
395 kW
4.7 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
PorscheCayenne IIITurbo 4.0 V8
Power
550 hp
410 kW
0-100 km/h4.1 s
Top speed
286 km/h
178 mph
Doors/seats
5 doors
5 seats
Trunk
745 L
26.3 cu ft
Length
4,926 mm
193.9 in
Height
1,673 mm
65.9 in
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

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
PorscheCayenne IIITurbo 4.0 V8
Power
550 hp
410 kW
0-100 km/h4.1 s
Top speed
286 km/h
178 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
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

Porsche Cayenne III Turbo 4.0 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
PorscheCayenne IIITurbo 4.0 V8
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
4.1 s
BMWX7 (G07)M50i V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
4.7 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
PorscheCayenne IIITurbo 4.0 V8
253 hp/t
189 kW/t
4.0 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayenne IIITurbo 4.0 V8BMWX7 (G07)M50i V8
Power
550 hp
410 kW
530 hp
395 kW
Torque
770 Nm
568 lb-ft
750 Nm
553 lb-ft
Acceleration
4.1 s
4.7 s
Top speed
286 km/h
178 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,175 kg
4,795 lb
2,490 kg
5,490 lb
Fuel consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
745 L
26.3 cu ft
Length
4,926 mm
193.9 in
Height
1,673 mm
65.9 in
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
Range score
756 km
470 mi
741 km
460 mi
CO2 score
272 g/km
258 g/km
Trunk score
745 L
26.3 cu ft
326 L
11.5 cu ft
Power-to-weight score
253 hp/t
189 kW/t
4.0 kg/hp
213 hp/t
159 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
VehiclePorsche Cayenne III Turbo 4.0 V8BMW X7 (G07) M50i V8
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km20.83 LC100 km19.60 LC100 km
Cost / 100 mi33.51 LC100 mi31.54 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal1,680 L444 US gal370 UK gal
Annual fuel cost3,124 LC/year2,940 LC/year

Head-to-head comparisons

Porsche Cayenne III Turbo 4.0 V8

  • Has 20 hp more
  • Has 20 Nm more
  • Is 315 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 26 km/h (16 mph) higher top speed
  • Has 40 hp/t better power-to-weight
  • Has 15 km (9 mi) more estimated range
  • Has 419 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

BMW X7 (G07) M50i V8

  • Uses 0.7 L/100 km less fuel
  • Emits 14 g/km less CO2

Pros

  • Lowest combined fuel consumption

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayenne III Turbo 4.0 V8
BMW X7 (G07) M50i V8
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