Spec Sizes

BMW X4 vs Acura RDX Dimensions & Size Comparison

Comparing 2021 vs 2022 catalog dimensions. BMW X4 · Acura RDX

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length187.4 in – 187.5 in
  • Height63.8 in
  • Wheelbase112.8 in
  • Ground clearance7.2 in
  • Curb weight4,147 lb – 4,323 lb
Front / width
  • Width75.5 in – 76.3 in
  • Acura RDX width74.8 in

Which is bigger?

  • Length: essentially the same
  • Width: Acura RDX is 1.1 in narrower (75.9 in vs 74.8 in)
  • Height: Acura RDX is 1.9 in taller (63.8 in vs 65.7 in)
  • Wheelbase: BMW X4 has a 4.5 in longer wheelbase (112.8 in vs 108.3 in)
  • Ground clearance: Acura RDX has 1.0 in more ground clearance (7.2 in vs 8.2 in)
  • Curb weight: BMW X4 is 301 lb heavier (4,235 lb vs 3,934 lb)

Biggest size differences

  1. Ground clearance: Acura RDX has 1.0 in more ground clearance (7.2 in vs 8.2 in)
  2. Curb weight: BMW X4 is 301 lb heavier (4,235 lb vs 3,934 lb)
  3. Wheelbase: BMW X4 has a 4.5 in longer wheelbase (112.8 in vs 108.3 in)
  4. Height: Acura RDX is 1.9 in taller (63.8 in vs 65.7 in)
  5. Width: Acura RDX is 1.1 in narrower (75.9 in vs 74.8 in)

Practical verdicts

  • Narrower for tight parkingAcura RDX — Acura RDX is narrower by 1.1 in
  • More ground clearanceAcura RDX — Acura RDX has 1.0 in more clearance
  • Smaller exterior footprintAcura RDX — Based on length × width (Acura RDX)

Dimension comparison

SpecBMW X4Acura RDXDifference
Length187.4 in187.4 in0.0 in
Width75.9 in74.8 in1.1 in
Height63.8 in65.7 in1.9 in
Wheelbase112.8 in108.3 in4.5 in
Ground clearance7.2 in8.2 in1.0 in
Curb weight4,235 lb3,934 lb301 lb

Values use trim midpoints when a model year lists a range (e.g. length 187.4 in – 187.5 in).

Compare by year

Overlapping model years with dimension data.

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