Mercedes-Benz GLB Mercedes-Benz GLB 2021 Mercedes-Benz G-Class Mercedes-Benz G-Class 2021

We are 103,000+ car owners sharing real-world car information.

Join Us

Mercedes-Benz GLB (2021) vs. Mercedes-Benz G-Class (2021) Specs

How powerful is the engine? How much room is in the back seat? Get the 2021 Mercedes-Benz GLB and 2021 Mercedes-Benz G-Class specs.

2021 Mercedes-Benz GLB and 2021 Mercedes-Benz G-Class Specifications

Model Year 2021 2021  
Model Mercedes-Benz GLB Mercedes-Benz G-Class  
Engine turbocharged
2.0L I4
DOHC-4v
302 hp@5800
295 lb-ft@3000
turbocharged
4.0L V8
DOHC-4v
577 hp@6000
627 lb-ft@2500
 
Transmission 8-speed automated manual 9-speed shiftable automatic  
Drivetrain AWD AWD w/low range  
Body 4dr SUV 4dr SUV  
      Difference
Wheelbase 111.4 in 113.8 in -2.4 in
Length 182.4 in 189.7 in -7.3 in
Width 72.2 in 74.5 in -2.3 in
Height 65.3 in 77.5 in -12.2 in
Curb Weight 3869 lb. 5842 lb. -1973 lb.
Fuel Capacity 15.9 gal. 26.4 gal. -10.5 gal.
Headroom, Row 1 40.7 in 41.9 in -1.2 in
Shoulder Room, Row 1 55.9 in 57.8 in -1.9 in
Legroom, Row 1 41.1 in 38.7 in 2.4 in
Headroom, Row 2 39.3 in 40.5 in -1.2 in
Shoulder Room, Row 2 54.9 in 57.4 in -2.5 in
Legroom, Row 2 38.1 in 39.5 in -1.4 in
Headroom, Row 3 34.8 in 0.0 in 34.8 in
Shoulder Room, Row 3 43.8 in 0.0 in 43.8 in
Legroom, Row 3 29.1 in 0.0 in 29.1 in
Total Legroom 108.3 in (over 3 rows) 78.2 in (over 2 rows) 30.1 in
Cargo Volume, Minimum 22.0 ft3 38.1 ft3 -16.1 ft3
Cargo Volume, Maximum 62.0 ft3 68.6 ft3 -6.6 ft3

Return to top

What Our Members Are Saying about the Seat Room and Comfort of the 2021 Mercedes-Benz GLB

None of our members have yet commented on the seat room and comfort of the 2021 Mercedes-Benz GLB.

Be the first!

What Our Members Are Saying about the Seat Room and Comfort of the 2021 Mercedes-Benz G-Class

None of our members have yet commented on the seat room and comfort of the 2021 Mercedes-Benz G-Class.

Be the first!

See TrueDelta's information for all SUVs
See TrueDelta's information for all Mercedes-Benz models.