Spec Sizes

BMW X3 vs Acura RDX Dimensions & Size Comparison

Comparing 2018 catalog dimensions. BMW X3 · Acura RDX

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

Side view
  • Length185.9 in – 186.1 in
  • Height66.0 in
  • Wheelbase112.8 in
  • Ground clearance8.0 in
  • Curb weight4,156 lb – 4,277 lb
Front / width
  • Width74.4 in – 74.7 in
  • Acura RDX width73.7 in

Which is bigger?

  • Length: Acura RDX is 1.6 in shorter (186.0 in vs 184.4 in)
  • Width: Acura RDX is 0.9 in narrower (74.6 in vs 73.7 in)
  • Height: BMW X3 is 1.0 in taller (66.0 in vs 65.0 in)
  • Wheelbase: BMW X3 has a 7.1 in longer wheelbase (112.8 in vs 105.7 in)
  • Ground clearance: Acura RDX has 0.1 in more ground clearance (8.0 in vs 8.1 in)
  • Curb weight: BMW X3 is 375 lb heavier (4,217 lb vs 3,842 lb)

Biggest size differences

  1. Curb weight: BMW X3 is 375 lb heavier (4,217 lb vs 3,842 lb)
  2. Wheelbase: BMW X3 has a 7.1 in longer wheelbase (112.8 in vs 105.7 in)
  3. Height: BMW X3 is 1.0 in taller (66.0 in vs 65.0 in)
  4. Ground clearance: Acura RDX has 0.1 in more ground clearance (8.0 in vs 8.1 in)
  5. Width: Acura RDX is 0.9 in narrower (74.6 in vs 73.7 in)

Practical verdicts

  • Easier to fit in a short garageAcura RDX — Acura RDX is shorter by 1.6 in Check garage fit for BMW X3 · garage fit for Acura RDX
  • Narrower for tight parkingAcura RDX — Acura RDX is narrower by 0.9 in
  • More ground clearanceAcura RDX — Acura RDX has 0.1 in more clearance
  • Smaller exterior footprintAcura RDX — Based on length × width (Acura RDX)

Dimension comparison

SpecBMW X3Acura RDXDifference
Length186.0 in184.4 in1.6 in
Width74.6 in73.7 in0.9 in
Height66.0 in65.0 in1.0 in
Wheelbase112.8 in105.7 in7.1 in
Ground clearance8.0 in8.1 in0.1 in
Curb weight4,217 lb3,842 lb375 lb

Values use trim midpoints when a model year lists a range (e.g. length 185.9 in – 186.1 in).

Compare by year

Overlapping model years with dimension data.

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