Car comparison

BMW X7 (G07) M50dvsBMW X6 (E71) 50i

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

New comparison

BMW X7 (G07)

M50d

400 hp2993 ccDieselAWDAutomaticTurbochargedSUV2018-2020
VS

BMW X6 (E71)

50i

407 hp4395 ccGasolineAWDAutomaticTwin-turboSUV2008-2010

Comparison overview

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

Best choices

BMW X7 (G07) M50d

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    760 Nm
    561 lb-ft
  • Lowest combined fuel consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest CO2 emissions
    193 g/km
  • Best estimated range
    1,081 km
    672 mi
  • Best overall score
    75/100
  • Best performance score
    73/100
  • Best economy score
    87/100

BMW X6 (E71) 50i

  • Most powerful
    407 hp
    304 kW
  • Lightest
    2,190 kg
    4,828 lb
  • Best power-to-weight
    186 hp/t
    139 kW/t
    5.4 kg/hp
  • Largest trunk
    570 L
  • Best practicality score
    83/100

Specification comparison

Specification comparison
ModelBMWX7 (G07)M50dBMWX6 (E71)50i
Power
400hp298kW
407hp304kW
Torque
760Nm561lb-ft
600Nm443lb-ft
Curb weight
2,460kg5,423lb
2,190kg4,828lb
Gross weight
3,290kg7,253lb
2,840kg6,261lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
250 km/h
155 mph
To 99% top speed
85.4s99% 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
21.0s
Calculated
21.1s
Calculated
0-60 mph
5.1s
Calculated
5.1s
Calculated
Fuel consumption
7.4L/100 km31.8mpg US38.2mpg UK
12.5L/100 km18.8mpg US22.6mpg UK
Fuel consumption city-
17.6L/100 km13.4mpg US16.1mpg UK
Fuel consumption highway-
9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile
13.6s
Calculated
13.6s
Calculated
Power-to-weight
163hp/t121kW/t74hp/1000 lb
Calculated
186hp/t139kW/t84hp/1000 lb
Calculated
Torque-to-weight
309Nm/t207lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
1,081km672mi
Calculated
680km423mi
Calculated
Displacement
2,993cc183cu 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
1,682mm66in
1,664mm66in
Rear track
1,703mm67in
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
80L
85L
CO2 emissions
193g/km
299g/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) M50dBMW X6 (E71) 50iPowerTorque
  • BMW X7 (G07) M50d: Power / Torque
  • BMW X6 (E71) 50i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX7 (G07)M50d4,400 rpm2,000-3,000 rpm4,650 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)M50dBMWX6 (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
21.0 s
21.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
250 km/h
155 mph
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
167 km/h
104 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
BMWX7 (G07)M50d
400 hp
298 kW
BMWX6 (E71)50i
407 hp
304 kW

BMW X6 (E71) 50i has 7 hp more than BMW X7 (G07) M50d.

The biggest power difference is between BMW X7 (G07) M50d and BMW X6 (E71) 50i: 7 hp (5 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWX7 (G07)M50d
760 Nm
561 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)M50d
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)M50d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX6 (E71)50i
250 km/h
155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWX7 (G07)M50d5.4 s
BMWX6 (E71)50i5.4 s

Although BMW X6 (E71) 50i has more power, BMW X7 (G07) M50d 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
BMWX7 (G07)M50d
7.4 L/100 km
31.8 mpg US
38.2 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) M50d and BMW X6 (E71) 50i: 5.1 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)M50d
163 hp/t
121 kW/t
6.1 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)M50d
1,081 km
672 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)M50d
400 hp
298 kW
5.4 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX6 (E71)50i
407 hp
304 kW
5.4 s
250 km/h
155 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)M50d
Power
400 hp
298 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
250 km/h
155 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)M50d
Power
400 hp
298 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMWX6 (E71)50i
Power
407 hp
304 kW
0-100 km/h5.4 s
Top speed
250 km/h
155 mph
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

BMW X7 (G07) M50d 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)M50d
7.4 L/100 km
31.8 mpg US
38.2 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)M50d
163 hp/t
121 kW/t
6.2 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 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)M50dBMWX6 (E71)50i
Power
400 hp
298 kW
407 hp
304 kW
Torque
760 Nm
561 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
250 km/h
155 mph
Lightness
2,460 kg
5,423 lb
2,190 kg
4,828 lb
Fuel consumption
7.4 L/100 km
31.8 mpg US
38.2 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
1,081 km
672 mi
680 km
423 mi
CO2 score
193 g/km
299 g/km
Trunk score
326 L
11.5 cu ft
570 L
20.1 cu ft
Power-to-weight score
163 hp/t
121 kW/t
6.2 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) M50dBMW X6 (E71) 50i
Consumption7.4 L/100 km31.8 mpg US38.2 mpg UK12.5 L/100 km18.8 mpg US22.6 mpg UK
Cost / 100 km12.95 LC100 km21.88 LC100 km
Cost / 100 mi20.84 LC100 mi35.20 LC100 mi
Annual fuel used1,110 L293 US gal244 UK gal1,875 L495 US gal412 UK gal
Annual fuel cost1,943 LC/year3,281 LC/year

Head-to-head comparisons

BMW X7 (G07) M50d

  • Has 160 Nm more
  • Has 10 km/h (6 mph) higher top speed
  • Uses 5.1 L/100 km less fuel
  • Has 401 km (249 mi) more estimated range
  • Emits 106 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Heaviest
  • Smallest trunk

BMW X6 (E71) 50i

  • Has 7 hp more
  • Is 270 kg lighter
  • Has 23 hp/t better power-to-weight
  • Has 244 L more trunk volume

Pros

  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X7 (G07) M50d
BMW X6 (E71) 50i
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