Spec Sizes

BMW X3 vs GMC Terrain Dimensions & Size Comparison

Comparing 2021 catalog dimensions. BMW X3 · GMC Terrain

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
  • GMC Terrain width72.4 in

Which is bigger?

  • Length: GMC Terrain is 3.7 in shorter (186.0 in vs 182.3 in)
  • Width: GMC Terrain is 2.2 in narrower (74.6 in vs 72.4 in)
  • Height: BMW X3 is 0.6 in taller (66.0 in vs 65.4 in)
  • Wheelbase: BMW X3 has a 5.5 in longer wheelbase (112.8 in vs 107.3 in)
  • Ground clearance: GMC Terrain has 0.2 in more ground clearance (7.2 in vs 7.4 in)
  • Curb weight: BMW X3 is 570 lb heavier (4,124 lb vs 3,554 lb)

Biggest size differences

  1. Curb weight: BMW X3 is 570 lb heavier (4,124 lb vs 3,554 lb)
  2. Wheelbase: BMW X3 has a 5.5 in longer wheelbase (112.8 in vs 107.3 in)
  3. Width: GMC Terrain is 2.2 in narrower (74.6 in vs 72.4 in)
  4. Ground clearance: GMC Terrain has 0.2 in more ground clearance (7.2 in vs 7.4 in)
  5. Length: GMC Terrain is 3.7 in shorter (186.0 in vs 182.3 in)

Practical verdicts

  • Easier to fit in a short garageGMC Terrain — GMC Terrain is shorter by 3.7 in Check garage fit for BMW X3 · garage fit for GMC Terrain
  • Narrower for tight parkingGMC Terrain — GMC Terrain is narrower by 2.2 in
  • More ground clearanceGMC Terrain — GMC Terrain has 0.2 in more clearance
  • Smaller exterior footprintGMC Terrain — Based on length × width (GMC Terrain)

Dimension comparison

SpecBMW X3GMC TerrainDifference
Length186.0 in182.3 in3.7 in
Width74.6 in72.4 in2.2 in
Height66.0 in65.4 in0.6 in
Wheelbase112.8 in107.3 in5.5 in
Ground clearance7.2 in7.4 in0.2 in
Curb weight4,124 lb3,554 lb570 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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