Car comparison

Mercedes-Benz GLK (X204) GLK 350 BlueEFFICIENCY V6vsBMW X6 (E71) 40d

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

New comparison

Mercedes-Benz GLK (X204)

GLK 350 BlueEFFICIENCY V6

306 hp3498 ccGasolineAWDAutomaticNaturally aspiratedSUV2011-2012

BMW X6 (E71)

40d

306 hp2993 ccDieselAWDAutomaticTurbochargedSUV2010-2012

Comparison overview

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

BMW X6 (E71) 40d

Highest torque
600 Nm
443 lb-ft
Lowest combined fuel consumption
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
Lowest city consumption
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
Lowest highway consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Best estimated range
1,133 km
704 mi
Largest trunk
570 L
Best overall score
69/100
Best performance score
62/100
Best economy score
87/100
Best practicality score
83/100

Mercedes-Benz GLK (X204) GLK 350 BlueEFFICIENCY V6

Quickest 0-100 km/h
6.5 s
Fastest top speed
238 km/h
148 mph
Most powerful
306 hp
228 kW
Lightest
1,770 kg
3,902 lb
Best power-to-weight
173 hp/t
129 kW/t
5.8 kg/hp

Specification comparison

Specification comparison
Model	Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	BMWX6 (E71)40d
Power	306hp228kW	306hp228kW
Torque	370Nm273lb-ft	600Nm443lb-ft
Curb weight	1,770kg3,902lb	2,110kg4,652lb
Gross weight	2,415kg5,324lb	2,710kg5,975lb
Top speed	238 km/h 148 mph	236 km/h 147 mph
To 99% top speed	77.6s99% target: 236 km/h / 146 mph Calculated	84.5s99% target: 234 km/h / 145 mph Calculated
0-100 km/h	6.5s	6.5s
0-200 km/h	26.7s Calculated	28.6s Calculated
0-60 mph	6.2s Calculated	6.2s Calculated
Fuel consumption	8.7L/100 km27mpg US32.5mpg UK	7.5L/100 km31.4mpg US37.7mpg UK
Fuel consumption city	11L/100 km21.4mpg US25.7mpg UK	8.8L/100 km26.7mpg US32.1mpg UK
Fuel consumption highway	7.4L/100 km31.8mpg US38.2mpg UK	6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile	14.6s Calculated	14.6s Calculated
Power-to-weight	173hp/t129kW/t78hp/1000 lb Calculated	145hp/t108kW/t66hp/1000 lb Calculated
Torque-to-weight	209Nm/t140lb-ft/ton Calculated	284Nm/t190lb-ft/ton Calculated
Estimated range	759km471mi Calculated	1,133km704mi Calculated
Displacement	3,498cc213cu in	2,993cc183cu in
Length	4,525mm178in	4,877mm192in
Width	1,840mm72in	1,983mm78in
Height	1,689mm66in	1,690mm67in
Wheelbase	2,755mm108in	2,933mm115in
Front track	1,567mm62in	1,644mm65in
Rear track	1,588mm63in	1,706mm67in
Ground clearance	201mm8in	212mm8in
Trunk volume	450L	570L
Max trunk volume	1,550L	1,450L
Doors	5	5
Seats	5	4
Fuel tank	66L	85L
CO2 emissions	-	198g/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 GLK (X204) GLK 350 BlueEFFICIENCY V6BMW X6 (E71) 40dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	6,500 rpm	3,500-5,250 rpm	6,750 rpm
BMWX6 (E71)40d	4,400 rpm	1,500-2,500 rpm	4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	BMWX6 (E71)40d
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.2 s	6.2 s
0-100 km/h 0-62 mph	6.5 s	6.5 s
0-200 km/h 0-124 mph	26.7 s	28.6 s
Top speed	238 km/h 148 mph	236 km/h 147 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.3 s
330 ft 101 m	6.3 s	6.3 s
1/8 mile 201 m	9.5 s	9.5 s
1000 ft 305 m	12.3 s	12.3 s
1/4 mile 402 m	14.6 s	14.6 s
Trap speed 1/4 mile 402 m	158 km/h 98 mph	156 km/h 97 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	306 hp 228 kW
BMWX6 (E71)40d	306 hp 228 kW

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	370 Nm 273 lb-ft
BMWX6 (E71)40d	600 Nm 443 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	1,770 kg 3,902 lb
BMWX6 (E71)40d	2,110 kg 4,652 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	238 km/h 148 mph
BMWX6 (E71)40d	236 km/h 147 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	6.5 s
BMWX6 (E71)40d	6.5 s

Fuel consumption comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	8.7 L/100 km 27.0 mpg US 32.5 mpg UK
BMWX6 (E71)40d	7.5 L/100 km 31.4 mpg US 37.7 mpg UK

The biggest fuel consumption difference is between BMW X6 (E71) 40d and Mercedes-Benz GLK (X204) GLK 350 BlueEFFICIENCY V6: 1.2 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	173 hp/t 129 kW/t 5.8 kg/hp
BMWX6 (E71)40d	145 hp/t 108 kW/t 6.9 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	759 km 471 mi
BMWX6 (E71)40d	1,133 km 704 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	306 hp 228 kW	6.5 s	238 km/h 148 mph
BMWX6 (E71)40d	306 hp 228 kW	6.5 s	236 km/h 147 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6

Power	306 hp 228 kW
0-100 km/h	6.5 s
Top speed 238 km/h 148 mph

Doors/seats	5 doors 5 seats
Trunk	450 L 15.9 cu ft
Length	4,525 mm 178.1 in
Height	1,689 mm 66.5 in

BMWX6 (E71)40d

Power	306 hp 228 kW
0-100 km/h	6.5 s
Top speed 236 km/h 147 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.

Vehicle

Performance score

Fuel economy score

Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6

Power	306 hp 228 kW
0-100 km/h	6.5 s
Top speed 238 km/h 148 mph

8.7 L/100 km

27.0 mpg US

32.5 mpg UK

BMWX6 (E71)40d

Power	306 hp 228 kW
0-100 km/h	6.5 s
Top speed 236 km/h 147 mph

7.5 L/100 km

31.4 mpg US

37.7 mpg UK

BMW X6 (E71) 40d 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	8.7 L/100 km 27.0 mpg US 32.5 mpg UK	6.5 s
BMWX6 (E71)40d	7.5 L/100 km 31.4 mpg US 37.7 mpg UK	6.5 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6	173 hp/t 129 kW/t 5.8 kg/hp	8.7 L/100 km 27.0 mpg US 32.5 mpg UK
BMWX6 (E71)40d	145 hp/t 108 kW/t 6.9 kg/hp	7.5 L/100 km 31.4 mpg US 37.7 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzGLK (X204)GLK 350 BlueEFFICIENCY V6

BMWX6 (E71)40d

Power

306 hp

228 kW

306 hp

228 kW

Torque

370 Nm

273 lb-ft

600 Nm

443 lb-ft

Acceleration

6.5 s

Top speed

238 km/h

148 mph

236 km/h

147 mph

Lightness

1,770 kg

3,902 lb

2,110 kg

4,652 lb

Fuel consumption

8.7 L/100 km

27.0 mpg US

32.5 mpg UK

7.5 L/100 km

31.4 mpg US

37.7 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	450 L 15.9 cu ft
Length	4,525 mm 178.1 in
Height	1,689 mm 66.5 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

759 km

471 mi

1,133 km

704 mi

CO2 score

198 g/km

Trunk score

450 L

15.9 cu ft

570 L

20.1 cu ft

Power-to-weight score

173 hp/t

129 kW/t

5.8 kg/hp

145 hp/t

108 kW/t

6.9 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Mercedes-Benz GLK (X204) GLK 350 BlueEFFICIENCY V6	BMW X6 (E71) 40d
Consumption	8.7 L/100 km27 mpg US32.5 mpg UK	7.5 L/100 km31.4 mpg US37.7 mpg UK
Cost / 100 km	15.22 LC100 km	13.13 LC100 km
Cost / 100 mi	24.50 LC100 mi	21.12 LC100 mi
Annual fuel used	1,305 L345 US gal287 UK gal	1,125 L297 US gal247 UK gal
Annual fuel cost	2,284 LC/year	1,969 LC/year