Car comparison

BMW X7 (G07) 50ivsBMW X6 (E71) 50i

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

New comparison

BMW X7 (G07)

50i

462 hp4395 ccGasolineAWDAutomaticTurbochargedSUV2018-2019
VS

BMW X6 (E71)

50i

407 hp4395 ccGasolineAWDAutomaticTurbochargedSUV2010-2012

Comparison overview

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

Best choices

BMW X7 (G07) 50i

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    462 hp
    345 kW
  • Highest torque
    650 Nm
    479 lb-ft
  • Best power-to-weight
    188 hp/t
    140 kW/t
    5.3 kg/hp
  • Lowest combined fuel consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Lowest CO2 emissions
    261 g/km
  • Best estimated range
    728 km
    452 mi
  • Best overall score
    76/100
  • Best performance score
    74/100
  • Best economy score
    76/100

BMW X6 (E71) 50i

  • Lightest
    2,190 kg
    4,828 lb
  • Largest trunk
    570 L
  • Best practicality score
    83/100

Specification comparison

Specification comparison
ModelBMWX7 (G07)50iBMWX6 (E71)50i
Power
462hp345kW
407hp304kW
Torque
650Nm479lb-ft
600Nm443lb-ft
Curb weight
2,460kg5,423lb
2,190kg4,828lb
Gross weight
3,255kg7,176lb
2,790kg6,151lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Calculated
To 99% top speed
80.3s99% target: 257 km/h / 160 mph
Calculated
73.4s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
5.4s
5.4s
0-200 km/h
20.4s
Calculated
21.1s
Calculated
0-60 mph
5.1s
Calculated
5.1s
Calculated
Fuel consumption
11.4L/100 km20.6mpg US24.8mpg UK
12.5L/100 km18.8mpg US22.6mpg UK
Fuel consumption city-
17.7L/100 km13.3mpg US16.0mpg UK
Fuel consumption highway-
9.6L/100 km24.5mpg US29.4mpg UK
Quarter mile
13.6s
Calculated
13.6s
Calculated
Power-to-weight
188hp/t140kW/t85hp/1000 lb
Calculated
186hp/t139kW/t84hp/1000 lb
Calculated
Torque-to-weight
264Nm/t177lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
728km452mi
Calculated
680km423mi
Calculated
Displacement
4,395cc268cu in
4,395cc268cu in
Length
5,151mm203in
4,877mm192in
Width
2,000mm79in
1,983mm78in
Height
1,805mm71in
1,690mm67in
Wheelbase
3,105mm122in
2,933mm115in
Front track
1,684mm66in
1,644mm65in
Rear track
1,705mm67in
1,706mm67in
Ground clearance
221mm9in
212mm8in
Trunk volume
326L
570L
Max trunk volume
2,120L
1,450L
Doors
5
5
Seats
6
4
Fuel tank
83L
85L
CO2 emissions
261g/km
292g/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) 50iBMW X6 (E71) 50iPowerTorque
  • BMW X7 (G07) 50i: Power / Torque
  • BMW X6 (E71) 50i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX7 (G07)50i5,250-6,000 rpm1,500-4,750 rpm6,250 rpm
BMWX6 (E71)50i5,500-6,400 rpm1,750-4,500 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX7 (G07)50iBMWX6 (E71)50i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.1 s
0-100 km/h
0-62 mph
5.4 s
5.4 s
0-200 km/h
0-124 mph
20.4 s
21.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.8 s
5.9 s
1/8 mile
201 m
8.8 s
8.8 s
1000 ft
305 m
11.4 s
11.4 s
1/4 mile
402 m
13.6 s
13.6 s
Trap speed
1/4 mile
402 m
169 km/h
105 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
BMWX7 (G07)50i
462 hp
345 kW
BMWX6 (E71)50i
407 hp
304 kW

BMW X7 (G07) 50i has 55 hp more than BMW X6 (E71) 50i.

The biggest power difference is between BMW X6 (E71) 50i and BMW X7 (G07) 50i: 55 hp (41 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWX7 (G07)50i
650 Nm
479 lb-ft
BMWX6 (E71)50i
600 Nm
443 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX7 (G07)50i
2,460 kg
5,423 lb
BMWX6 (E71)50i
2,190 kg
4,828 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)50i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX6 (E71)50i
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWX7 (G07)50i5.4 s
BMWX6 (E71)50i5.4 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)50i
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
BMWX6 (E71)50i
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

The biggest fuel consumption difference is between BMW X7 (G07) 50i and BMW X6 (E71) 50i: 1.1 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)50i
188 hp/t
140 kW/t
5.3 kg/hp
BMWX6 (E71)50i
186 hp/t
139 kW/t
5.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWX7 (G07)50i
728 km
452 mi
BMWX6 (E71)50i
680 km
423 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX7 (G07)50i
462 hp
345 kW
5.4 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX6 (E71)50i
407 hp
304 kW
5.4 s
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 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)50i
Power
462 hp
345 kW
0-100 km/h5.4 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
BMWX6 (E71)50i
Power
407 hp
304 kW
0-100 km/h5.4 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Doors/seats
5 doors
4 seats
Trunk
570 L
20.1 cu ft
Length
4,877 mm
192.0 in
Height
1,690 mm
66.5 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)50i
Power
462 hp
345 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
BMWX6 (E71)50i
Power
407 hp
304 kW
0-100 km/h5.4 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

BMW X7 (G07) 50i 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)50i
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
5.4 s
BMWX6 (E71)50i
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
5.4 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)50i
188 hp/t
140 kW/t
5.3 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
BMWX6 (E71)50i
186 hp/t
139 kW/t
5.4 kg/hp
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX7 (G07)50iBMWX6 (E71)50i
Power
462 hp
345 kW
407 hp
304 kW
Torque
650 Nm
479 lb-ft
600 Nm
443 lb-ft
Acceleration
5.4 s
5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Lightness
2,460 kg
5,423 lb
2,190 kg
4,828 lb
Fuel consumption
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
12.5 L/100 km
18.8 mpg US
22.6 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
5 doors
4 seats
Trunk
570 L
20.1 cu ft
Length
4,877 mm
192.0 in
Height
1,690 mm
66.5 in
Range score
728 km
452 mi
680 km
423 mi
CO2 score
261 g/km
292 g/km
Trunk score
326 L
11.5 cu ft
570 L
20.1 cu ft
Power-to-weight score
188 hp/t
140 kW/t
5.3 kg/hp
186 hp/t
139 kW/t
5.4 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) 50iBMW X6 (E71) 50i
Consumption11.4 L/100 km20.6 mpg US24.8 mpg UK12.5 L/100 km18.8 mpg US22.6 mpg UK
Cost / 100 km19.95 LC100 km21.88 LC100 km
Cost / 100 mi32.11 LC100 mi35.20 LC100 mi
Annual fuel used1,710 L452 US gal376 UK gal1,875 L495 US gal412 UK gal
Annual fuel cost2,993 LC/year3,281 LC/year

Head-to-head comparisons

BMW X7 (G07) 50i

  • Has 55 hp more
  • Has 50 Nm more
  • Has 10 km/h (6 mph) higher top speed
  • Uses 1.1 L/100 km less fuel
  • Has 2 hp/t better power-to-weight
  • Has 48 km (30 mi) more estimated range
  • Emits 31 g/km less CO2

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
  • Smallest trunk

BMW X6 (E71) 50i

  • Is 270 kg lighter
  • Has 244 L more trunk volume

Pros

  • Lightest
  • Largest trunk

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X7 (G07) 50i
BMW X6 (E71) 50i
Compare selected cars
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