Car comparison

BMW X6 (E71) 35ivsMercedes-Benz GL (X164) · Facelift 2009 GL 450 CDI

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

New comparison

BMW X6 (E71)

35i

306 hp2979 ccGasolineAWDAutomaticTurbochargedSUV2008-2010
VS

Mercedes-Benz GL (X164) · Facelift 2009

GL 450 CDI

306 hp3996 ccDieselAWDAutomaticTwin-turboSUV2009-2010

Comparison overview

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

Best choices

BMW X6 (E71) 35i

  • Quickest 0-100 km/h
    6.7 s
  • Fastest top speed
    250 km/h
    155 mph Unrestricted
    240 km/h
    149 mph Restricted
  • Most powerful
    306 hp
    228 kW
  • Lightest
    2,070 kg
    4,564 lb
  • Best power-to-weight
    148 hp/t
    110 kW/t
    6.8 kg/hp
  • Lowest combined fuel consumption
    10.9 L/100 km
    21.6 mpg US
    25.9 mpg UK
  • Lowest city consumption
    14.9 L/100 km
    15.8 mpg US
    19.0 mpg UK
  • Lowest highway consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Lowest CO2 emissions
    262 g/km
  • Best performance score
    59/100
  • Best economy score
    78/100

Specification comparison

Specification comparison
ModelBMWX6 (E71)35iMercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Power
306hp228kW
306hp228kW
Torque
400Nm295lb-ft
700Nm516lb-ft
Curb weight
2,070kg4,564lb
2,475kg5,456lb
Gross weight
2,670kg5,886lb
3,250kg7,165lb
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Calculated
230 km/h
143 mph
To 99% top speed
94.6s99% target: 248 km/h / 154 mph
Calculated
113.9s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
6.7s
7.6s
0-200 km/h
26.7s
Calculated
39.6s
Calculated
0-60 mph
6.3s
Calculated
7.2s
Calculated
Fuel consumption
10.9L/100 km21.6mpg US25.9mpg UK
11.6L/100 km20.3mpg US24.4mpg UK
Fuel consumption city
14.9L/100 km15.8mpg US19.0mpg UK
15.6L/100 km15.1mpg US18.1mpg UK
Fuel consumption highway
8.6L/100 km27.4mpg US32.8mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Quarter mile
14.7s
Calculated
15.5s
Calculated
Power-to-weight
148hp/t110kW/t67hp/1000 lb
Calculated
124hp/t92kW/t56hp/1000 lb
Calculated
Torque-to-weight
193Nm/t129lb-ft/ton
Calculated
283Nm/t189lb-ft/ton
Calculated
Estimated range
780km485mi
Calculated
862km536mi
Calculated
Displacement
2,979cc182cu in
3,996cc244cu in
Length
4,877mm192in
5,099mm201in
Width
1,983mm78in
1,920mm76in
Height
1,690mm67in
1,840mm72in
Wheelbase
2,933mm115in
3,075mm121in
Front track
1,644mm65in
1,645mm65in
Rear track
1,706mm67in
1,648mm65in
Ground clearance
212mm8in
198mm8in
Trunk volume
570L
620L
Max trunk volume
1,450L
2,300L
Doors
5
5
Seats
4
7
Fuel tank
85L
100L
CO2 emissions
262g/km
307g/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 X6 (E71) 35iMercedes-Benz GL (X164) Facelift 2009 GL 450 CDIPowerTorque
  • BMW X6 (E71) 35i: Power / Torque
  • Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX6 (E71)35i5,800-6,250 rpm1,300-5,000 rpm6,500 rpm
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI3,600 rpm2,000-2,600 rpm3,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX6 (E71)35iMercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.3 s
7.2 s
0-100 km/h
0-62 mph
6.7 s
7.6 s
0-200 km/h
0-124 mph
26.7 s
39.6 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Likely limited
230 km/h
143 mph
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.4 s
6.5 s
1/8 mile
201 m
9.6 s
10.0 s
1000 ft
305 m
12.4 s
13.0 s
1/4 mile
402 m
14.7 s
15.5 s
Trap speed
1/4 mile
402 m
156 km/h
97 mph
144 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
BMWX6 (E71)35i
306 hp
228 kW
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
306 hp
228 kW

Torque comparison

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

Chart data table
VehicleValue
BMWX6 (E71)35i
400 Nm
295 lb-ft
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX6 (E71)35i
2,070 kg
4,564 lb
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
2,475 kg
5,456 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 (E71)35i
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
230 km/h
143 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWX6 (E71)35i6.7 s
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI7.6 s

The biggest 0-100 km/h difference is between BMW X6 (E71) 35i and Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI: 0.9 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 (E71)35i
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

The biggest fuel consumption difference is between BMW X6 (E71) 35i and Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI: 0.7 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 (E71)35i
148 hp/t
110 kW/t
6.8 kg/hp
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
124 hp/t
92 kW/t
8.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWX6 (E71)35i
780 km
485 mi
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
862 km
536 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX6 (E71)35i
306 hp
228 kW
6.7 s
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
306 hp
228 kW
7.6 s
230 km/h
143 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 (E71)35i
Power
306 hp
228 kW
0-100 km/h6.7 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
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Power
306 hp
228 kW
0-100 km/h7.6 s
Top speed
230 km/h
143 mph
Doors/seats
5 doors
7 seats
Trunk
620 L
21.9 cu ft
Length
5,099 mm
200.7 in
Height
1,840 mm
72.4 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 (E71)35i
Power
306 hp
228 kW
0-100 km/h6.7 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Power
306 hp
228 kW
0-100 km/h7.6 s
Top speed
230 km/h
143 mph
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

BMW X6 (E71) 35i 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 (E71)35i
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
6.7 s
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
7.6 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 (E71)35i
148 hp/t
110 kW/t
6.8 kg/hp
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
124 hp/t
92 kW/t
8.1 kg/hp
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX6 (E71)35iMercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Power
306 hp
228 kW
306 hp
228 kW
Torque
400 Nm
295 lb-ft
700 Nm
516 lb-ft
Acceleration
6.7 s
7.6 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
230 km/h
143 mph
Lightness
2,070 kg
4,564 lb
2,475 kg
5,456 lb
Fuel consumption
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
Practicality
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
Doors/seats
5 doors
7 seats
Trunk
620 L
21.9 cu ft
Length
5,099 mm
200.7 in
Height
1,840 mm
72.4 in
Range score
780 km
485 mi
862 km
536 mi
CO2 score
262 g/km
307 g/km
Trunk score
570 L
20.1 cu ft
620 L
21.9 cu ft
Power-to-weight score
148 hp/t
110 kW/t
6.8 kg/hp
124 hp/t
92 kW/t
8.1 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 (E71) 35iMercedes-Benz GL (X164) Facelift 2009 GL 450 CDI
Consumption10.9 L/100 km21.6 mpg US25.9 mpg UK11.6 L/100 km20.3 mpg US24.4 mpg UK
Cost / 100 km19.08 LC100 km20.30 LC100 km
Cost / 100 mi30.70 LC100 mi32.67 LC100 mi
Annual fuel used1,635 L432 US gal360 UK gal1,740 L460 US gal383 UK gal
Annual fuel cost2,861 LC/year3,045 LC/year

Head-to-head comparisons

BMW X6 (E71) 35i

  • Is 405 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 24 hp/t better power-to-weight
  • Emits 45 g/km less CO2

Pros

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

Cons

  • Smallest trunk

Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI

  • Has 300 Nm more
  • Has 82 km (51 mi) more estimated range
  • Has 50 L more trunk volume

Pros

  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X6 (E71) 35i
Mercedes-Benz GL (X164) GL 450 CDI
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