Spec Sizes

Acura RDX vs BMW X3 Dimensions & Size Comparison

Comparing 2008 catalog dimensions. Acura RDX · BMW X3

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

Side view
  • Length180.7 in – 188.7 in
  • Height65.2 in – 68.7 in
  • Wheelbase104.3 in – 106.3 in
  • Curb weight3,924 lb – 4,471 lb
Front / width
  • Width73.6 in – 77.0 in
  • BMW X3 width73.0 in

Which is bigger?

  • Length: BMW X3 is 4.8 in shorter (184.7 in vs 179.9 in)
  • Width: BMW X3 is 2.3 in narrower (75.3 in vs 73.0 in)
  • Height: Acura RDX is 1.0 in taller (67.0 in vs 66.0 in)
  • Wheelbase: BMW X3 has a 4.8 in longer wheelbase (105.3 in vs 110.1 in)
  • Curb weight: Acura RDX is 186 lb heavier (4,198 lb vs 4,012 lb)

Biggest size differences

  1. Curb weight: Acura RDX is 186 lb heavier (4,198 lb vs 4,012 lb)
  2. Wheelbase: BMW X3 has a 4.8 in longer wheelbase (105.3 in vs 110.1 in)
  3. Width: BMW X3 is 2.3 in narrower (75.3 in vs 73.0 in)
  4. Length: BMW X3 is 4.8 in shorter (184.7 in vs 179.9 in)
  5. Height: Acura RDX is 1.0 in taller (67.0 in vs 66.0 in)

Practical verdicts

  • Easier to fit in a short garageBMW X3 — BMW X3 is shorter by 4.8 in Check garage fit for Acura RDX · garage fit for BMW X3
  • Narrower for tight parkingBMW X3 — BMW X3 is narrower by 2.3 in
  • Smaller exterior footprintBMW X3 — Based on length × width (BMW X3)

Dimension comparison

SpecAcura RDXBMW X3Difference
Length184.7 in179.9 in4.8 in
Width75.3 in73.0 in2.3 in
Height67.0 in66.0 in1.0 in
Wheelbase105.3 in110.1 in4.8 in
Curb weight4,198 lb4,012 lb186 lb

Values use trim midpoints when a model year lists a range (e.g. length 180.7 in – 188.7 in).

Compare by year

Overlapping model years with dimension data.

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