Car comparison

BMW X6 M (E71) · Facelift 2012 4.4 V8vsJeep Grand Cherokee IV (WK2) SRT8 6.4 V8

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

New comparison

BMW X6 M (E71) · Facelift 2012

4.4 V8

560 hp4395 ccGasolineRWDAutomaticTurbochargedSUV2012-2014
VS

Jeep Grand Cherokee IV (WK2)

SRT8 6.4 V8

477 hp6417 ccGasolineAWDAutomaticNaturally aspiratedSUV2011-2013

Comparison overview

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

Best choices

BMW X6 M (E71) Facelift 2012 4.4 V8

  • Quickest 0-100 km/h
    4.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    560 hp
    418 kW
  • Highest torque
    680 Nm
    502 lb-ft
  • Best power-to-weight
    235 hp/t
    175 kW/t
    4.3 kg/hp
  • Lowest combined fuel consumption
    13.9 L/100 km
    16.9 mpg US
    20.3 mpg UK
  • Lowest city consumption
    19.3 L/100 km
    12.2 mpg US
    14.6 mpg UK
  • Lowest highway consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Best estimated range
    612 km
    380 mi
  • Best overall score
    83/100
  • Best performance score
    79/100
  • Best economy score
    70/100
  • Best practicality score
    92/100

Specification comparison

Specification comparison
ModelBMWX6 M (E71)Facelift 20124.4 V8JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
Power
560hp418kW
477hp356kW
Torque
680Nm502lb-ft
630Nm465lb-ft
Curb weight
2,380kg5,247lb
2,336kg5,150lb
Gross weight
2,905kg6,404lb
2,948kg6,499lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
257 km/h
160 mph
To 99% top speed
71.2s99% target: 257 km/h / 160 mph
Calculated
74.5s99% target: 254 km/h / 158 mph
Calculated
0-100 km/h
4.7s
5.0s
0-200 km/h
17.9s
Calculated
19.3s
Calculated
0-60 mph
4.5s
Calculated
4.7s
Calculated
Fuel consumption
13.9L/100 km16.9mpg US20.3mpg UK
16.8L/100 km14mpg US16.8mpg UK
Fuel consumption city
19.3L/100 km12.2mpg US14.6mpg UK
19.6L/100 km12mpg US14.4mpg UK
Fuel consumption highway
10.8L/100 km21.8mpg US26.2mpg UK
13.1L/100 km18mpg US21.6mpg UK
Quarter mile
12.9s
Calculated
13.2s
Calculated
Power-to-weight
235hp/t175kW/t107hp/1000 lb
Calculated
204hp/t152kW/t93hp/1000 lb
Calculated
Torque-to-weight
286Nm/t191lb-ft/ton
Calculated
270Nm/t180lb-ft/ton
Calculated
Estimated range
612km380mi
Calculated
554km344mi
Calculated
Displacement
4,395cc268cu in
6,417cc392cu in
Length
4,876mm192in
4,859mm191in
Width
1,983mm78in
1,958mm77in
Height
1,983mm78in
1,756mm69in
Wheelbase
2,933mm115in
2,915mm115in
Front track
1,660mm65in
1,617mm64in
Rear track
1,672mm66in
1,633mm64in
Ground clearance-
211mm8in
Doors
5
5
Seats
5
5
Fuel tank
85L
93L

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 X6 M (E71) Facelift 2012 4.4 V8Jeep Grand Cherokee IV (WK2) SRT8 6.4 V8PowerTorque
  • BMW X6 M (E71) Facelift 2012 4.4 V8: Power / Torque
  • Jeep Grand Cherokee IV (WK2) SRT8 6.4 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX6 M (E71)Facelift 20124.4 V86,000 rpm1,500-5,650 rpm6,250 rpm
JeepGrand Cherokee IV (WK2)SRT8 6.4 V86,000 rpm4,300 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX6 M (E71)Facelift 20124.4 V8JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
4.7 s
0-100 km/h
0-62 mph
4.7 s
5.0 s
0-200 km/h
0-124 mph
17.9 s
19.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
257 km/h
160 mph
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.5 s
5.7 s
1/8 mile
201 m
8.4 s
8.6 s
1000 ft
305 m
10.8 s
11.1 s
1/4 mile
402 m
12.9 s
13.2 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
BMWX6 M (E71)Facelift 20124.4 V8
560 hp
418 kW
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
477 hp
356 kW

BMW X6 M (E71) Facelift 2012 4.4 V8 has 83 hp more than Jeep Grand Cherokee IV (WK2) SRT8 6.4 V8.

The biggest power difference is between Jeep Grand Cherokee IV (WK2) SRT8 6.4 V8 and BMW X6 M (E71) Facelift 2012 4.4 V8: 83 hp (62 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWX6 M (E71)Facelift 20124.4 V8
680 Nm
502 lb-ft
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
630 Nm
465 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX6 M (E71)Facelift 20124.4 V8
2,380 kg
5,247 lb
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
2,336 kg
5,150 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWX6 M (E71)Facelift 20124.4 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
257 km/h
160 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
BMWX6 M (E71)Facelift 20124.4 V84.7 s
JeepGrand Cherokee IV (WK2)SRT8 6.4 V85.0 s

The biggest 0-100 km/h difference is between BMW X6 M (E71) Facelift 2012 4.4 V8 and Jeep Grand Cherokee IV (WK2) SRT8 6.4 V8: 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWX6 M (E71)Facelift 20124.4 V8
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
16.8 L/100 km
14.0 mpg US
16.8 mpg UK

The biggest fuel consumption difference is between BMW X6 M (E71) Facelift 2012 4.4 V8 and Jeep Grand Cherokee IV (WK2) SRT8 6.4 V8: 2.9 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
BMWX6 M (E71)Facelift 20124.4 V8
235 hp/t
175 kW/t
4.2 kg/hp
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
204 hp/t
152 kW/t
4.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWX6 M (E71)Facelift 20124.4 V8
612 km
380 mi
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
554 km
344 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX6 M (E71)Facelift 20124.4 V8
560 hp
418 kW
4.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
477 hp
356 kW
5.0 s
257 km/h
160 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
BMWX6 M (E71)Facelift 20124.4 V8
Power
560 hp
418 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk-
Length
4,876 mm
192.0 in
Height
1,983 mm
78.1 in
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
Power
477 hp
356 kW
0-100 km/h5.0 s
Top speed
257 km/h
160 mph
Doors/seats
5 doors
5 seats
Trunk-
Length
4,859 mm
191.3 in
Height
1,756 mm
69.1 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
BMWX6 M (E71)Facelift 20124.4 V8
Power
560 hp
418 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
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
Power
477 hp
356 kW
0-100 km/h5.0 s
Top speed
257 km/h
160 mph
16.8 L/100 km
14.0 mpg US
16.8 mpg UK

BMW X6 M (E71) Facelift 2012 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
BMWX6 M (E71)Facelift 20124.4 V8
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
4.7 s
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
16.8 L/100 km
14.0 mpg US
16.8 mpg UK
5.0 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
BMWX6 M (E71)Facelift 20124.4 V8
235 hp/t
175 kW/t
4.3 kg/hp
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
204 hp/t
152 kW/t
4.9 kg/hp
16.8 L/100 km
14.0 mpg US
16.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX6 M (E71)Facelift 20124.4 V8JeepGrand Cherokee IV (WK2)SRT8 6.4 V8
Power
560 hp
418 kW
477 hp
356 kW
Torque
680 Nm
502 lb-ft
630 Nm
465 lb-ft
Acceleration
4.7 s
5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
257 km/h
160 mph
Lightness
2,380 kg
5,247 lb
2,336 kg
5,150 lb
Fuel consumption
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
16.8 L/100 km
14.0 mpg US
16.8 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk-
Length
4,876 mm
192.0 in
Height
1,983 mm
78.1 in
Doors/seats
5 doors
5 seats
Trunk-
Length
4,859 mm
191.3 in
Height
1,756 mm
69.1 in
Range score
612 km
380 mi
554 km
344 mi
Power-to-weight score
235 hp/t
175 kW/t
4.3 kg/hp
204 hp/t
152 kW/t
4.9 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 X6 M (E71) Facelift 2012 4.4 V8Jeep Grand Cherokee IV (WK2) SRT8 6.4 V8
Consumption13.9 L/100 km16.9 mpg US20.3 mpg UK16.8 L/100 km14 mpg US16.8 mpg UK
Cost / 100 km24.33 LC100 km29.40 LC100 km
Cost / 100 mi39.15 LC100 mi47.31 LC100 mi
Annual fuel used2,085 L551 US gal459 UK gal2,520 L666 US gal554 UK gal
Annual fuel cost3,649 LC/year4,410 LC/year

Head-to-head comparisons

BMW X6 M (E71) Facelift 2012 4.4 V8

  • Has 83 hp more
  • Has 50 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 3 km/h (2 mph) higher top speed
  • Uses 2.9 L/100 km less fuel
  • Has 31 hp/t better power-to-weight
  • Has 58 km (36 mi) more estimated range

Pros

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

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X6 M (E71) 4.4 V8
Jeep Grand Cherokee IV (WK2) SRT8 6.4 V8
Compare selected cars
2 vehicles selected

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