Spec Sizes

BMW X3 vs GMC Terrain Dimensions & Size Comparison

Comparing 2018 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 clearance8.0 in
  • Curb weight4,156 lb – 4,277 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: BMW X3 has 0.6 in more ground clearance (8.0 in vs 7.4 in)
  • Curb weight: BMW X3 is 572 lb heavier (4,217 lb vs 3,645 lb)

Biggest size differences

  1. Curb weight: BMW X3 is 572 lb heavier (4,217 lb vs 3,645 lb)
  2. Ground clearance: BMW X3 has 0.6 in more ground clearance (8.0 in vs 7.4 in)
  3. Wheelbase: BMW X3 has a 5.5 in longer wheelbase (112.8 in vs 107.3 in)
  4. Width: GMC Terrain is 2.2 in narrower (74.6 in vs 72.4 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 clearanceBMW X3 — BMW X3 has 0.6 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 clearance8.0 in7.4 in0.6 in
Curb weight4,217 lb3,645 lb572 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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