The Comparative Analysis :
Mercedes GL 420 CDI 4MATIC 7G-TRONIC (06 - 09) vs. Mercedes GLS 400 d 4MATIC 9G-TRONIC (19 - ..)
€ 85,400

€ 90,400

€ 85,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The GL 420 CDI is 4.4 inches shorter, 1.4 inches narrower and 0.7 inches taller than the GLS 400 d.
GL 420 CDI
GLS 400 d
72.4
75.6
83.9
71.8
77
84.9
75.6 in
Width
77 in
83.9 in
Width Incl. Mirrors
84.9 in
72.4 in
Height
71.8 in
121.1
200.6
123.4
205
200.6 in
Length
205 in
121.1 in
Wheelbase
123.4 in
Vehicle Weight
GL 420 CDI
GLS 400 d
5622 lb
Curb Weight
5490 lb
7165 lb
Gross Vehicle
Weight
Weight
7165 lb

Weight Difference:
132 lb
2.35 %

General
GL 420 CDI
GLS 400 d
X164
Generation
X167
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Diesel
Fuel Type
Diesel

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

7-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
GL 420 CDI
GLS 400 d
V8 diesel engine with turbocharger
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz OM 656
OM 629.912
Engine Code
OM 656.929


4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
2.9 L / 142 cu in
302 hp
at 3600 rpm
Power
325 hp
at 3600 rpm
GL 420 CDI
302 hp
325 hp
GLS 400 d
516 lb‑ft
at 2200 rpm
Max. Torque
516 lb‑ft
at 1200 rpm
GL 420 CDI
516 lb‑ft
516 lb‑ft
GLS 400 d
Performance
GL 420 CDI
GLS 400 d
143 mph
Maximum Speed
148 mph
7.6 sec
Acceleration 0 to 62 mph
6.3 sec
62 mph
62
mph
mph
348 ft
0.000 sec

GL 420 CDI
62 mph
62
mph
mph
289 ft
0.000 sec

GLS 400 d
▶ REPLAY
18.62 lb/hp
Weight-to-Power Ratio
16.89 lb/hp
GL 420 CDI
18.62 lb/hp
16.89 lb/hp
GLS 400 d
Fuel Economy / Emissions
GL 420 CDI
GLS 400 d
Fuel Economy
20 mpg
combined
31 mpg
GL 420 CDI
20 mpg
31 mpg
GLS 400 d
15 mpg
city
25 mpg
26 mpg
highway
36 mpg
26.4 gal
Fuel Tank Capacity
23.8 gal
536 mi
Range
736 mi
GL 420 CDI
536 mi
736 mi
GLS 400 d
Environmental Impact
238.7 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).
156.4 kWh
GL 420 CDI
238.7 kWh
156.4 kWh
GLS 400 d
Euro 4 III
Emission Standard
Euro 6d-ISC
494 g/mi (NEFZ)
CO2 Emissions
367 g/mi (WLTP)
Practical Convenience
GL 420 CDI
GLS 400 d
5
Doors
5
5
No. of Seats
7
1543 lb
Maximum Payload
1676 lb
17.6 cu ft
Trunk Volume
10.1 cu ft











65.1 cu ft
Cargo Volume (Seats Down)
68 cu ft