BMW X3 BMW X3 2021 Mercedes-Benz S-Class Mercedes-Benz S-Class 2021

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BMW X3 (2021) vs. Mercedes-Benz S-Class (2021) Specs

How powerful is the engine? How much room is in the back seat? Get the 2021 BMW X3 and 2021 Mercedes-Benz S-Class specs.

2021 BMW X3 and 2021 Mercedes-Benz S-Class Specifications

Model Year 2021 2021  
Model BMW X3 Mercedes-Benz S-Class  
Engine turbocharged
3.0L I6
DOHC-4v
503 hp@5950
442 lb-ft@2600
turbocharged
4.0L V8
DOHC-4v
603 hp@5500
664 lb-ft@2250
 
Transmission 8-speed shiftable automatic 9-speed shiftable automatic  
Drivetrain AWD AWD  
Body 4dr SUV 4dr Sedan, ext.  
      Difference
Wheelbase 112.8 in 126.6 in -13.8 in
Length 185.9 in 208.2 in -22.3 in
Width 74.4 in 76.9 in -2.5 in
Height 66.0 in 59.2 in 6.8 in
Curb Weight 4620 lb. 4610 lb. 10 lb.
Fuel Capacity 17.7 gal. 22.1 gal. -4.4 gal.
Headroom, Row 1 41.1 in 42.1 in -1 in
Shoulder Room, Row 1 57.5 in 59.6 in -2.1 in
Legroom, Row 1 40.3 in 41.7 in -1.4 in
Headroom, Row 2 39.1 in 39.4 in -0.3 in
Shoulder Room, Row 2 56.0 in 59.0 in -3 in
Legroom, Row 2 36.4 in 43.8 in -7.4 in
Total Legroom 76.7 in (over 2 rows) 85.5 in (over 2 rows) -8.8 in
Cargo Volume, Minimum 28.7 ft3 12.9 ft3 15.8 ft3
Cargo Volume, Maximum 62.7 ft3 12.9 ft3 49.8 ft3

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