Car comparison

Porsche Cayenne II Turbo 4.8 V8vsBMW X6 M (E71) 4.4 V8

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

New comparison

Porsche Cayenne II

Turbo 4.8 V8

500 hp4806 ccGasolineAWDAutomaticTwin-turboSUV2010-2014
VS

BMW X6 M (E71)

4.4 V8

555 hp4395 ccGasolineAWDAutomaticTurbochargedSUV2009-2012

Comparison overview

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

Best choices

Porsche Cayenne II Turbo 4.8 V8

  • Quickest 0-100 km/h
    4.7 s
  • Fastest top speed
    278 km/h
    173 mph
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    2,170 kg
    4,784 lb
  • Lowest combined fuel consumption
    11.5 L/100 km
    20.5 mpg US
    24.6 mpg UK
  • Lowest city consumption
    16.2 L/100 km
    14.5 mpg US
    17.4 mpg UK
  • Lowest highway consumption
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Lowest CO2 emissions
    270 g/km
  • Best estimated range
    739 km
    459 mi
  • Largest trunk
    670 L
  • Best overall score
    85/100
  • Best performance score
    82/100
  • Best economy score
    76/100
  • Best practicality score
    91/100

Specification comparison

Specification comparison
ModelPorscheCayenne IITurbo 4.8 V8BMWX6 M (E71)4.4 V8
Power
500hp373kW
555hp414kW
Torque
700Nm516lb-ft
680Nm502lb-ft
Curb weight
2,170kg4,784lb
2,305kg5,082lb
Gross weight
2,880kg6,349lb
2,905kg6,404lb
Top speed
278 km/h
173 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
67.0s99% target: 275 km/h / 171 mph
Calculated
61.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.7s
4.7s
0-200 km/h
15.5s
Calculated
16.6s
Calculated
0-60 mph
4.5s
Calculated
4.5s
Calculated
Fuel consumption
11.5L/100 km20.5mpg US24.6mpg UK
13.9L/100 km16.9mpg US20.3mpg UK
Fuel consumption city
16.2L/100 km14.5mpg US17.4mpg UK
19.3L/100 km12.2mpg US14.6mpg UK
Fuel consumption highway
8.8L/100 km26.7mpg US32.1mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Quarter mile
12.8s
Calculated
12.8s
Calculated
Power-to-weight
230hp/t172kW/t105hp/1000 lb
Calculated
241hp/t180kW/t109hp/1000 lb
Calculated
Torque-to-weight
323Nm/t216lb-ft/ton
Calculated
295Nm/t197lb-ft/ton
Calculated
Estimated range
739km459mi
Calculated
612km380mi
Calculated
Displacement
4,806cc293cu in
4,395cc268cu in
Length
4,846mm191in
4,876mm192in
Width
1,939mm76in
1,983mm78in
Height
1,705mm67in
1,684mm66in
Wheelbase
2,895mm114in
2,933mm115in
Front track
1,655mm65in
1,660mm65in
Rear track
1,669mm66in
1,672mm66in
Ground clearance
215mm8in
-
Trunk volume
670L
570L
Max trunk volume
1,780L
1,450L
Doors
5
5
Seats
5
4
Fuel tank
85L
85L
CO2 emissions
270g/km
325g/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 II Turbo 4.8 V8BMW X6 M (E71) 4.4 V8PowerTorque
  • Porsche Cayenne II Turbo 4.8 V8: Power / Torque
  • BMW X6 M (E71) 4.4 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayenne IITurbo 4.8 V86,000 rpm2,250-4,500 rpm6,250 rpm
BMWX6 M (E71)4.4 V86,000 rpm1,500-5,650 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayenne IITurbo 4.8 V8BMWX6 M (E71)4.4 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
4.5 s
0-100 km/h
0-62 mph
4.7 s
4.7 s
0-200 km/h
0-124 mph
15.5 s
16.6 s
Top speed
278 km/h
173 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.6 s
5.6 s
1/8 mile
201 m
8.4 s
8.4 s
1000 ft
305 m
10.8 s
10.8 s
1/4 mile
402 m
12.8 s
12.8 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
179 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayenne IITurbo 4.8 V8
500 hp
373 kW
BMWX6 M (E71)4.4 V8
555 hp
414 kW

BMW X6 M (E71) 4.4 V8 has 55 hp more than Porsche Cayenne II Turbo 4.8 V8.

The biggest power difference is between Porsche Cayenne II Turbo 4.8 V8 and BMW X6 M (E71) 4.4 V8: 55 hp (41 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayenne IITurbo 4.8 V8
700 Nm
516 lb-ft
BMWX6 M (E71)4.4 V8
680 Nm
502 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheCayenne IITurbo 4.8 V8
2,170 kg
4,784 lb
BMWX6 M (E71)4.4 V8
2,305 kg
5,082 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 IITurbo 4.8 V8
278 km/h
173 mph
BMWX6 M (E71)4.4 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 IITurbo 4.8 V84.7 s
BMWX6 M (E71)4.4 V84.7 s

Although BMW X6 M (E71) 4.4 V8 has more power, Porsche Cayenne II Turbo 4.8 V8 is quicker from 0-100 km/h.

Fuel consumption comparison

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

Chart data table
VehicleValue
PorscheCayenne IITurbo 4.8 V8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
BMWX6 M (E71)4.4 V8
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

The biggest fuel consumption difference is between Porsche Cayenne II Turbo 4.8 V8 and BMW X6 M (E71) 4.4 V8: 2.4 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 IITurbo 4.8 V8
230 hp/t
172 kW/t
4.3 kg/hp
BMWX6 M (E71)4.4 V8
241 hp/t
180 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheCayenne IITurbo 4.8 V8
739 km
459 mi
BMWX6 M (E71)4.4 V8
612 km
380 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayenne IITurbo 4.8 V8
500 hp
373 kW
4.7 s
278 km/h
173 mph
BMWX6 M (E71)4.4 V8
555 hp
414 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 IITurbo 4.8 V8
Power
500 hp
373 kW
0-100 km/h4.7 s
Top speed
278 km/h
173 mph
Doors/seats
5 doors
5 seats
Trunk
670 L
23.7 cu ft
Length
4,846 mm
190.8 in
Height
1,705 mm
67.1 in
BMWX6 M (E71)4.4 V8
Power
555 hp
414 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
4 seats
Trunk
570 L
20.1 cu ft
Length
4,876 mm
192.0 in
Height
1,684 mm
66.3 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 IITurbo 4.8 V8
Power
500 hp
373 kW
0-100 km/h4.7 s
Top speed
278 km/h
173 mph
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
BMWX6 M (E71)4.4 V8
Power
555 hp
414 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

Porsche Cayenne II Turbo 4.8 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 IITurbo 4.8 V8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
4.7 s
BMWX6 M (E71)4.4 V8
13.9 L/100 km
16.9 mpg US
20.3 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 IITurbo 4.8 V8
230 hp/t
172 kW/t
4.3 kg/hp
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
BMWX6 M (E71)4.4 V8
241 hp/t
180 kW/t
4.2 kg/hp
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayenne IITurbo 4.8 V8BMWX6 M (E71)4.4 V8
Power
500 hp
373 kW
555 hp
414 kW
Torque
700 Nm
516 lb-ft
680 Nm
502 lb-ft
Acceleration
4.7 s
4.7 s
Top speed
278 km/h
173 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,170 kg
4,784 lb
2,305 kg
5,082 lb
Fuel consumption
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
670 L
23.7 cu ft
Length
4,846 mm
190.8 in
Height
1,705 mm
67.1 in
Doors/seats
5 doors
4 seats
Trunk
570 L
20.1 cu ft
Length
4,876 mm
192.0 in
Height
1,684 mm
66.3 in
Range score
739 km
459 mi
612 km
380 mi
CO2 score
270 g/km
325 g/km
Trunk score
670 L
23.7 cu ft
570 L
20.1 cu ft
Power-to-weight score
230 hp/t
172 kW/t
4.3 kg/hp
241 hp/t
180 kW/t
4.2 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 II Turbo 4.8 V8BMW X6 M (E71) 4.4 V8
Consumption11.5 L/100 km20.5 mpg US24.6 mpg UK13.9 L/100 km16.9 mpg US20.3 mpg UK
Cost / 100 km20.13 LC100 km24.33 LC100 km
Cost / 100 mi32.39 LC100 mi39.15 LC100 mi
Annual fuel used1,725 L456 US gal379 UK gal2,085 L551 US gal459 UK gal
Annual fuel cost3,019 LC/year3,649 LC/year

Head-to-head comparisons

Porsche Cayenne II Turbo 4.8 V8

  • Has 20 Nm more
  • Is 135 kg lighter
  • Has 18 km/h (11 mph) higher top speed
  • Uses 2.4 L/100 km less fuel
  • Has 128 km (79 mi) more estimated range
  • Has 100 L more trunk volume
  • Emits 55 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power

BMW X6 M (E71) 4.4 V8

  • Has 55 hp more
  • Has 10 hp/t better power-to-weight

Pros

  • Most powerful
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayenne II Turbo 4.8 V8
BMW X6 M (E71) 4.4 V8
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