Spec Sizes

BMW X3 vs BMW X4 Dimensions & Size Comparison

Comparing 2018 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 clearance8.0 in
  • Curb weight4,156 lb – 4,277 lb
Front / width
  • Width74.4 in – 74.7 in
  • BMW X4 width74.1 in

Which is bigger?

  • Length: BMW X4 is 1.7 in shorter (186.0 in vs 184.3 in)
  • Width: BMW X4 is 0.5 in narrower (74.6 in vs 74.1 in)
  • Height: BMW X3 is 2.1 in taller (66.0 in vs 63.9 in)
  • Wheelbase: BMW X3 has a 2.2 in longer wheelbase (112.8 in vs 110.6 in)
  • Ground clearance: essentially the same
  • Curb weight: BMW X3 is 34 lb heavier (4,217 lb vs 4,183 lb)

Biggest size differences

  1. Height: BMW X3 is 2.1 in taller (66.0 in vs 63.9 in)
  2. Wheelbase: BMW X3 has a 2.2 in longer wheelbase (112.8 in vs 110.6 in)
  3. Length: BMW X4 is 1.7 in shorter (186.0 in vs 184.3 in)
  4. Curb weight: BMW X3 is 34 lb heavier (4,217 lb vs 4,183 lb)
  5. Width: BMW X4 is 0.5 in narrower (74.6 in vs 74.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW X4 — BMW X4 is shorter by 1.7 in Check garage fit for BMW X3 · garage fit for BMW X4
  • Narrower for tight parkingBMW X4 — BMW X4 is narrower by 0.5 in
  • Smaller exterior footprintBMW X4 — Based on length × width (BMW X4)

Dimension comparison

SpecBMW X3BMW X4Difference
Length186.0 in184.3 in1.7 in
Width74.6 in74.1 in0.5 in
Height66.0 in63.9 in2.1 in
Wheelbase112.8 in110.6 in2.2 in
Ground clearance8.0 in8.0 in0.0 in
Curb weight4,217 lb4,183 lb34 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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