Spec Sizes

BMW X3 vs BMW X4 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. BMW X3 · BMW X4

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 clearance7.2 in
  • Curb weight3,931 lb – 4,317 lb
Front / width
  • Width74.4 in – 74.7 in
  • BMW X4 width75.5 in – 76.3 in

Which is bigger?

  • Length: BMW X3 is 1.4 in shorter (186.0 in vs 187.4 in)
  • Width: BMW X3 is 1.3 in narrower (74.6 in vs 75.9 in)
  • Height: BMW X3 is 2.2 in taller (66.0 in vs 63.8 in)
  • Wheelbase: essentially the same
  • Ground clearance: essentially the same
  • Curb weight: BMW X4 is 111 lb heavier (4,124 lb vs 4,235 lb)

Biggest size differences

  1. Height: BMW X3 is 2.2 in taller (66.0 in vs 63.8 in)
  2. Curb weight: BMW X4 is 111 lb heavier (4,124 lb vs 4,235 lb)
  3. Width: BMW X3 is 1.3 in narrower (74.6 in vs 75.9 in)
  4. Length: BMW X3 is 1.4 in shorter (186.0 in vs 187.4 in)

Practical verdicts

  • Easier to fit in a short garageBMW X3 — BMW X3 is shorter by 1.4 in Check garage fit for BMW X3 · garage fit for BMW X4
  • Narrower for tight parkingBMW X3 — BMW X3 is narrower by 1.3 in
  • Smaller exterior footprintBMW X3 — Based on length × width (BMW X3)

Dimension comparison

SpecBMW X3BMW X4Difference
Length186.0 in187.4 in1.4 in
Width74.6 in75.9 in1.3 in
Height66.0 in63.8 in2.2 in
Wheelbase112.8 in112.8 in0.0 in
Ground clearance7.2 in7.2 in0.0 in
Curb weight4,124 lb4,235 lb111 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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