Acura MDX Acura MDX 2018 Acura RDX Acura RDX 2021

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Acura MDX (2018) vs. Acura RDX (2021) Specs

How powerful is the engine? How much room is in the back seat? Get the 2018 Acura MDX and 2021 Acura RDX specs.

2018 Acura MDX and 2021 Acura RDX Specifications

Model Year 2018 2021  
Model Acura MDX Acura RDX  
Engine 3.5L I6
DOHC-4v
290 hp@6200
267 lb-ft@4700
turbocharged
2.0L I4
DOHC-4v
272 hp@6500
280 lb-ft@1600
 
Transmission 9-speed shiftable automatic 10-speed shiftable automatic  
Drivetrain AWD AWD  
Body 4dr SUV 4dr SUV  
      Difference
Wheelbase 111.0 in 108.3 in 2.7 in
Length 196.2 in 186.8 in 9.4 in
Width 77.2 in 74.8 in 2.4 in
Height 67.4 in 65.7 in 1.7 in
Curb Weight 4215 lb. 4019 lb. 196 lb.
Fuel Capacity 19.5 gal. 17.1 gal. 2.4 gal.
Headroom, Row 1 38.1 in 40.0 in -1.9 in
Shoulder Room, Row 1 61.1 in 60.0 in 1.1 in
Hip Room, Row 1 57.5 in 55.0 in 2.5 in
Legroom, Row 1 41.4 in 42.0 in -0.6 in
Headroom, Row 2 38.3 in 38.0 in 0.3 in
Shoulder Room, Row 2 59.1 in 57.0 in 2.1 in
Hip Room, Row 2 57.8 in 50.0 in 7.8 in
Legroom, Row 2 36.6 in 38.0 in -1.4 in
Headroom, Row 3 35.6 in 0.0 in 35.6 in
Shoulder Room, Row 3 54.7 in 0.0 in 54.7 in
Hip Room, Row 3 40.6 in 0.0 in 40.6 in
Legroom, Row 3 28.1 in 0.0 in 28.1 in
Total Legroom 106.1 in (over 3 rows) 80 in (over 2 rows) 26.1 in
Cargo Volume, Minimum 15.0 ft3 31.1 ft3 -16.1 ft3
Cargo Volume, Behind R2 38.4 ft3 31.1 7.3 ft3
Cargo Volume, Maximum 68.4 ft3 58.9 ft3 9.5 ft3

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