The Comparative Analysis :
Mazda CX-7 2.3 DISI (07 - 09) vs. Mercedes GLK 220 CDI BlueEFFICIENCY 7G-TRONIC PLUS (11 - 12)
€ 31,800

€ 40,000

€ 31,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 40,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Mazda CX-7 2.3 DISI is 5.8 inches longer, 1.2 inches wider and 1.7 inches lower than the Mercedes GLK 220 CDI BlueEFFICIENCY.
Mazda CX-7 2.3 DISI
Mercedes GLK 220 CDI BlueEFFICIENCY
64.8
73.6
81.5
66.5
72.4
79.4
73.6 in
Width
72.4 in
81.5 in
Width Incl. Mirrors
79.4 in
64.8 in
Height
66.5 in
108.3
184.1
108.5
178.3
184.1 in
Length
178.3 in
108.3 in
Wheelbase
108.5 in
Vehicle Weight
Mazda CX-7 2.3 DISI
Mercedes GLK 220 CDI BlueEFFICIENCY
3902 lb
Curb Weight
4068 lb
5004 lb
Gross Vehicle
Weight
Weight
5346 lb

Weight Difference:
165 lb
4.06 %

General
Mazda CX-7 2.3 DISI
Mercedes GLK 220 CDI BlueEFFICIENCY
ER
Generation
X204
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Premium Unleaded
Fuel Type
Diesel

On-demand four-wheel drive (4WD) with automatic engagement
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
Mazda CX-7 2.3 DISI
Mercedes GLK 220 CDI BlueEFFICIENCY
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz OM 651
Engine Code
OM 651.916

4
Valves
4
4
Cylinders
4
2.3 L / 113 cu in
Displacement
2.1 L / 103 cu in
256 hp
at 5500 rpm
Power
168 hp
at 3200 rpm
Mazda CX-7 2.3 DISI
256 hp
168 hp
Mercedes GLK 220 CDI BlueEFFICIENCY
280 lb‑ft
at 3000 rpm
Max. Torque
295 lb‑ft
at 1400 rpm
Mazda CX-7 2.3 DISI
280 lb‑ft
295 lb‑ft
Mercedes GLK 220 CDI BlueEFFICIENCY
Performance
Mazda CX-7 2.3 DISI
Mercedes GLK 220 CDI BlueEFFICIENCY
130 mph
Maximum Speed
127 mph
8 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph
62
mph
mph
364 ft
0.000 sec

Mazda CX-7 2.3 DISI
62 mph
62
mph
mph
384 ft
0.000 sec

Mercedes GLK 220 CDI BlueEFFICIENCY
▶ REPLAY
15.24 lb/hp
Weight-to-Power Ratio
24.21 lb/hp
Mazda CX-7 2.3 DISI
15.24 lb/hp
24.21 lb/hp
Mercedes GLK 220 CDI BlueEFFICIENCY
Fuel Economy / Emissions
Mazda CX-7 2.3 DISI
Mercedes GLK 220 CDI BlueEFFICIENCY
Fuel Economy
23 mpg
combined
42 mpg
Mazda CX-7 2.3 DISI
23 mpg
42 mpg
Mercedes GLK 220 CDI BlueEFFICIENCY
17 mpg
city
37 mpg
29 mpg
highway
46 mpg
18.2 gal
Fuel Tank Capacity
15.6 gal
420 mi
Range
655 mi
Mazda CX-7 2.3 DISI
420 mi
655 mi
Mercedes GLK 220 CDI BlueEFFICIENCY
Environmental Impact
193.3 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
115.2 kWh
Mazda CX-7 2.3 DISI
193.3 kWh
115.2 kWh
Mercedes GLK 220 CDI BlueEFFICIENCY
Euro 4
Emission Standard
Euro 5
391 g/mi (NEFZ)
CO2 Emissions
233 g/mi (NEFZ)
Practical Convenience
Mazda CX-7 2.3 DISI
Mercedes GLK 220 CDI BlueEFFICIENCY
5
Doors
5
5
No. of Seats
5
1102 lb
Maximum Payload
1279 lb
12.9 cu ft
Trunk Volume
12.7 cu ft









38.2 cu ft
Cargo Volume (Seats Down)
43.9 cu ft