Car comparison

BMW X5 M (E70) 4.4vsBMW X6 M (E71) 4.4 V8

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

New comparison

BMW X5 M (E70)

4.4

555 hp4395 ccGasolineAWDAutomaticTurbochargedSUV2010-2013
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

BMW X5 M (E70) 4.4

  • 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
    555 hp
    414 kW
  • Highest torque
    680 Nm
    502 lb-ft
  • Lightest
    2,305 kg
    5,082 lb
  • Best power-to-weight
    241 hp/t
    180 kW/t
    4.2 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
  • Lowest CO2 emissions
    325 g/km
  • Best estimated range
    612 km
    380 mi
  • Largest trunk
    620 L
  • Best overall score
    83/100
  • Best performance score
    79/100
  • Best economy score
    70/100
  • Best practicality score
    90/100

Specification comparison

Specification comparison
ModelBMWX5 M (E70)4.4BMWX6 M (E71)4.4 V8
Power
555hp414kW
555hp414kW
Torque
680Nm502lb-ft
680Nm502lb-ft
Curb weight
2,305kg5,082lb
2,305kg5,082lb
Gross weight
2,905kg6,404lb
2,905kg6,404lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
63.6s99% target: 257 km/h / 160 mph
Calculated
61.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.7s
4.7s
0-200 km/h
16.9s
16.6s
Calculated
0-60 mph
4.5s
Calculated
4.5s
Calculated
Fuel consumption
13.9L/100 km16.9mpg US20.3mpg UK
13.9L/100 km16.9mpg US20.3mpg UK
Fuel consumption city
19.3L/100 km12.2mpg US14.6mpg UK
19.3L/100 km12.2mpg US14.6mpg UK
Fuel consumption highway
10.8L/100 km21.8mpg US26.2mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Quarter mile
12.8s
Calculated
12.8s
Calculated
Power-to-weight
241hp/t180kW/t109hp/1000 lb
Calculated
241hp/t180kW/t109hp/1000 lb
Calculated
Torque-to-weight
295Nm/t197lb-ft/ton
Calculated
295Nm/t197lb-ft/ton
Calculated
Estimated range
612km380mi
Calculated
612km380mi
Calculated
Displacement
4,395cc268cu in
4,395cc268cu in
Length
4,851mm191in
4,876mm192in
Width
1,994mm79in
1,983mm78in
Height
1,764mm69in
1,684mm66in
Wheelbase
2,933mm115in
2,933mm115in
Front track
1,660mm65in
1,660mm65in
Rear track
1,672mm66in
1,672mm66in
Ground clearance
207mm8in
-
Trunk volume
620L
570L
Max trunk volume
1,750L
1,450L
Doors
5
5
Seats
5
4
Fuel tank
85L
85L
CO2 emissions
325g/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.

BMW X5 M (E70) 4.4BMW X6 M (E71) 4.4 V8PowerTorque
  • BMW X5 M (E70) 4.4: Power / Torque
  • BMW X6 M (E71) 4.4 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX5 M (E70)4.46,000 rpm1,500-5,650 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
MetricBMWX5 M (E70)4.4BMWX6 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
16.9 s
16.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
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
178 km/h
111 mph
179 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
BMWX5 M (E70)4.4
555 hp
414 kW
BMWX6 M (E71)4.4 V8
555 hp
414 kW

Torque comparison

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

Chart data table
VehicleValue
BMWX5 M (E70)4.4
680 Nm
502 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
BMWX5 M (E70)4.4
2,305 kg
5,082 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
BMWX5 M (E70)4.4
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
BMWX5 M (E70)4.44.7 s
BMWX6 M (E71)4.4 V84.7 s

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWX5 M (E70)4.4
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
BMWX6 M (E71)4.4 V8
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
BMWX5 M (E70)4.4
241 hp/t
180 kW/t
4.2 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
BMWX5 M (E70)4.4
612 km
380 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
BMWX5 M (E70)4.4
555 hp
414 kW
4.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
BMWX5 M (E70)4.4
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
5 seats
Trunk
620 L
21.9 cu ft
Length
4,851 mm
191.0 in
Height
1,764 mm
69.4 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
BMWX5 M (E70)4.4
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
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

BMW X5 M (E70) 4.4 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
BMWX5 M (E70)4.4
13.9 L/100 km
16.9 mpg US
20.3 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
BMWX5 M (E70)4.4
241 hp/t
180 kW/t
4.2 kg/hp
13.9 L/100 km
16.9 mpg US
20.3 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
VehicleBMWX5 M (E70)4.4BMWX6 M (E71)4.4 V8
Power
555 hp
414 kW
555 hp
414 kW
Torque
680 Nm
502 lb-ft
680 Nm
502 lb-ft
Acceleration
4.7 s
4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,305 kg
5,082 lb
2,305 kg
5,082 lb
Fuel consumption
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
620 L
21.9 cu ft
Length
4,851 mm
191.0 in
Height
1,764 mm
69.4 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
612 km
380 mi
612 km
380 mi
CO2 score
325 g/km
325 g/km
Trunk score
620 L
21.9 cu ft
570 L
20.1 cu ft
Power-to-weight score
241 hp/t
180 kW/t
4.2 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
VehicleBMW X5 M (E70) 4.4BMW X6 M (E71) 4.4 V8
Consumption13.9 L/100 km16.9 mpg US20.3 mpg UK13.9 L/100 km16.9 mpg US20.3 mpg UK
Cost / 100 km24.33 LC100 km24.33 LC100 km
Cost / 100 mi39.15 LC100 mi39.15 LC100 mi
Annual fuel used2,085 L551 US gal459 UK gal2,085 L551 US gal459 UK gal
Annual fuel cost3,649 LC/year3,649 LC/year

Head-to-head comparisons

BMW X5 M (E70) 4.4

  • Has 50 L more trunk volume

Pros

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

Cons

  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X5 M (E70) 4.4
BMW X6 M (E71) 4.4 V8
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