Spec Sizes

Chevrolet TrailBlazer vs GMC Terrain Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Chevrolet TrailBlazer · GMC Terrain

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

Side view
  • Length173.5 in – 173.7 in
  • Height65.2 in – 65.7 in
  • Wheelbase103.9 in
  • Ground clearance7.0 in – 8.0 in
Front / width
  • Width71.2 in
  • GMC Terrain width72.4 in

Which is bigger?

  • Length: Chevrolet TrailBlazer is 8.7 in shorter (173.6 in vs 182.3 in)
  • Width: Chevrolet TrailBlazer is 1.2 in narrower (71.2 in vs 72.4 in)
  • Height: essentially the same
  • Wheelbase: GMC Terrain has a 3.4 in longer wheelbase (103.9 in vs 107.3 in)
  • Ground clearance: Chevrolet TrailBlazer has 0.1 in more ground clearance (7.5 in vs 7.4 in)

Biggest size differences

  1. Length: Chevrolet TrailBlazer is 8.7 in shorter (173.6 in vs 182.3 in)
  2. Wheelbase: GMC Terrain has a 3.4 in longer wheelbase (103.9 in vs 107.3 in)
  3. Width: Chevrolet TrailBlazer is 1.2 in narrower (71.2 in vs 72.4 in)
  4. Ground clearance: Chevrolet TrailBlazer has 0.1 in more ground clearance (7.5 in vs 7.4 in)

Practical verdicts

  • Easier to fit in a short garageChevrolet TrailBlazer — Chevrolet TrailBlazer is shorter by 8.7 in Check garage fit for Chevrolet TrailBlazer · garage fit for GMC Terrain
  • Narrower for tight parkingChevrolet TrailBlazer — Chevrolet TrailBlazer is narrower by 1.2 in
  • More ground clearanceChevrolet TrailBlazer — Chevrolet TrailBlazer has 0.1 in more clearance
  • Smaller exterior footprintChevrolet TrailBlazer — Based on length × width (Chevrolet TrailBlazer)

Dimension comparison

SpecChevrolet TrailBlazerGMC TerrainDifference
Length173.6 in182.3 in8.7 in
Width71.2 in72.4 in1.2 in
Height65.5 in65.4 in0.0 in
Wheelbase103.9 in107.3 in3.4 in
Ground clearance7.5 in7.4 in0.1 in
Curb weight—3,554 lb—

Values use trim midpoints when a model year lists a range (e.g. length 173.5 in – 173.7 in).

Compare by year

Overlapping model years with dimension data.

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