Car comparison

Mercedes-Benz M-class (W164) ML 500 V8vsBMW X6 (E71) 50i

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

New comparison

Mercedes-Benz M-class (W164)

ML 500 V8

388 hp4966 ccGasolineAWDAutomaticNaturally aspiratedSUV2007-2008
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 X6 (E71) 50i

  • Quickest 0-100 km/h
    5.4 s
  • Most powerful
    407 hp
    304 kW
  • Highest torque
    600 Nm
    443 lb-ft
  • Best power-to-weight
    186 hp/t
    139 kW/t
    5.4 kg/hp
  • Lowest combined fuel consumption
    12.5 L/100 km
    18.8 mpg US
    22.6 mpg UK
  • Lowest city consumption
    17.6 L/100 km
    13.4 mpg US
    16.1 mpg UK
  • Lowest highway consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 mpg UK
  • Lowest CO2 emissions
    299 g/km
  • Largest trunk
    570 L
  • Best overall score
    75/100
  • Best performance score
    71/100
  • Best economy score
    73/100

Mercedes-Benz M-class (W164) ML 500 V8

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    2,185 kg
    4,817 lb
  • Best estimated range
    725 km
    451 mi
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelMercedes-BenzM-class (W164)ML 500 V8BMWX6 (E71)50i
Power
388hp289kW
407hp304kW
Torque
530Nm391lb-ft
600Nm443lb-ft
Curb weight
2,185kg4,817lb
2,190kg4,828lb
Gross weight
2,830kg6,239lb
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
91.9s99% target: 257 km/h / 160 mph
Calculated
73.4s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
5.8s
5.4s
0-200 km/h
22.6s
Calculated
21.1s
Calculated
0-60 mph
5.5s
Calculated
5.1s
Calculated
Fuel consumption
13.1L/100 km18mpg US21.6mpg UK
12.5L/100 km18.8mpg US22.6mpg UK
Fuel consumption city
17.9L/100 km13.1mpg US15.8mpg UK
17.6L/100 km13.4mpg US16.1mpg UK
Fuel consumption highway
10.3L/100 km22.8mpg US27.4mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile
14.0s
Calculated
13.6s
Calculated
Power-to-weight
178hp/t132kW/t81hp/1000 lb
Calculated
186hp/t139kW/t84hp/1000 lb
Calculated
Torque-to-weight
243Nm/t162lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
725km451mi
Calculated
680km423mi
Calculated
Displacement
4,966cc303cu in
4,395cc268cu in
Length
4,788mm189in
4,877mm192in
Width
1,911mm75in
1,983mm78in
Height
1,840mm72in
1,690mm67in
Wheelbase
2,915mm115in
2,933mm115in
Front track
1,627mm64in
1,664mm66in
Rear track
1,629mm64in
1,706mm67in
Ground clearance-
212mm8in
Trunk volume
551L
570L
Max trunk volume
2,050L
1,450L
Doors
5
5
Seats
5
4
Fuel tank
95L
85L
CO2 emissions
311g/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.

Mercedes-Benz M-class (W164) ML 500 V8BMW X6 (E71) 50iPowerTorque
  • Mercedes-Benz M-class (W164) ML 500 V8: Power / Torque
  • BMW X6 (E71) 50i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzM-class (W164)ML 500 V86,000 rpm2,800 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
MetricMercedes-BenzM-class (W164)ML 500 V8BMWX6 (E71)50i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
5.1 s
0-100 km/h
0-62 mph
5.8 s
5.4 s
0-200 km/h
0-124 mph
22.6 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
6.0 s
5.9 s
1/8 mile
201 m
9.1 s
8.8 s
1000 ft
305 m
11.7 s
11.4 s
1/4 mile
402 m
14.0 s
13.6 s
Trap speed
1/4 mile
402 m
164 km/h
102 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzM-class (W164)ML 500 V8
388 hp
289 kW
BMWX6 (E71)50i
407 hp
304 kW

BMW X6 (E71) 50i has 19 hp more than Mercedes-Benz M-class (W164) ML 500 V8.

The biggest power difference is between Mercedes-Benz M-class (W164) ML 500 V8 and BMW X6 (E71) 50i: 19 hp (14 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzM-class (W164)ML 500 V8
530 Nm
391 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
Mercedes-BenzM-class (W164)ML 500 V8
2,185 kg
4,817 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
Mercedes-BenzM-class (W164)ML 500 V8
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
Mercedes-BenzM-class (W164)ML 500 V85.8 s
BMWX6 (E71)50i5.4 s

The biggest 0-100 km/h difference is between BMW X6 (E71) 50i and Mercedes-Benz M-class (W164) ML 500 V8: 0.4 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Mercedes-BenzM-class (W164)ML 500 V8
13.1 L/100 km
18.0 mpg US
21.6 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 X6 (E71) 50i and Mercedes-Benz M-class (W164) ML 500 V8: 0.6 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
Mercedes-BenzM-class (W164)ML 500 V8
178 hp/t
132 kW/t
5.6 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
Mercedes-BenzM-class (W164)ML 500 V8
725 km
451 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
Mercedes-BenzM-class (W164)ML 500 V8
388 hp
289 kW
5.8 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
Mercedes-BenzM-class (W164)ML 500 V8
Power
388 hp
289 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
551 L
19.5 cu ft
Length
4,788 mm
188.5 in
Height
1,840 mm
72.4 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
Mercedes-BenzM-class (W164)ML 500 V8
Power
388 hp
289 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
13.1 L/100 km
18.0 mpg US
21.6 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 X6 (E71) 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
Mercedes-BenzM-class (W164)ML 500 V8
13.1 L/100 km
18.0 mpg US
21.6 mpg UK
5.8 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
Mercedes-BenzM-class (W164)ML 500 V8
178 hp/t
132 kW/t
5.6 kg/hp
13.1 L/100 km
18.0 mpg US
21.6 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
VehicleMercedes-BenzM-class (W164)ML 500 V8BMWX6 (E71)50i
Power
388 hp
289 kW
407 hp
304 kW
Torque
530 Nm
391 lb-ft
600 Nm
443 lb-ft
Acceleration
5.8 s
5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
250 km/h
155 mph
Lightness
2,185 kg
4,817 lb
2,190 kg
4,828 lb
Fuel consumption
13.1 L/100 km
18.0 mpg US
21.6 mpg UK
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
551 L
19.5 cu ft
Length
4,788 mm
188.5 in
Height
1,840 mm
72.4 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
725 km
451 mi
680 km
423 mi
CO2 score
311 g/km
299 g/km
Trunk score
551 L
19.5 cu ft
570 L
20.1 cu ft
Power-to-weight score
178 hp/t
132 kW/t
5.6 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
VehicleMercedes-Benz M-class (W164) ML 500 V8BMW X6 (E71) 50i
Consumption13.1 L/100 km18 mpg US21.6 mpg UK12.5 L/100 km18.8 mpg US22.6 mpg UK
Cost / 100 km22.93 LC100 km21.88 LC100 km
Cost / 100 mi36.89 LC100 mi35.20 LC100 mi
Annual fuel used1,965 L519 US gal432 UK gal1,875 L495 US gal412 UK gal
Annual fuel cost3,439 LC/year3,281 LC/year

Head-to-head comparisons

Mercedes-Benz M-class (W164) ML 500 V8

  • Is 5 kg lighter
  • Has 10 km/h (6 mph) higher top speed
  • Has 45 km (28 mi) more estimated range

Pros

  • Highest top speed
  • Lightest
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

BMW X6 (E71) 50i

  • Has 19 hp more
  • Has 70 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 0.6 L/100 km less fuel
  • Has 8 hp/t better power-to-weight
  • Has 19 L more trunk volume
  • Emits 12 g/km less CO2

Pros

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

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

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Model
Generation
Engine or modification
Mercedes-Benz M-class (W164) ML 500 V8
BMW X6 (E71) 50i
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