Spec Sizes

GMC Sierra 1500 vs Chevrolet Suburban 1500 Dimensions & Size Comparison

Comparing 2003 catalog dimensions. GMC Sierra 1500 · Chevrolet Suburban 1500

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

Side view
  • Length203.2 in – 246.6 in
  • Height70.8 in – 73.9 in
  • Wheelbase119.0 in – 157.5 in
  • Ground clearance8.3 in – 8.6 in
  • Curb weight4,142 lb – 5,097 lb
Front / width
  • Width78.5 in – 83.5 in
  • Chevrolet Suburban 1500 width78.9 in

Which is bigger?

  • Length: Chevrolet Suburban 1500 is 5.6 in shorter (224.9 in vs 219.3 in)
  • Width: Chevrolet Suburban 1500 is 2.1 in narrower (81.0 in vs 78.9 in)
  • Height: Chevrolet Suburban 1500 is 2.2 in taller (72.3 in vs 74.5 in)
  • Wheelbase: GMC Sierra 1500 has a 8.3 in longer wheelbase (138.3 in vs 130.0 in)
  • Curb weight: Chevrolet Suburban 1500 is 464 lb heavier (4,620 lb vs 5,083 lb)

Biggest size differences

  1. Curb weight: Chevrolet Suburban 1500 is 464 lb heavier (4,620 lb vs 5,083 lb)
  2. Wheelbase: GMC Sierra 1500 has a 8.3 in longer wheelbase (138.3 in vs 130.0 in)
  3. Height: Chevrolet Suburban 1500 is 2.2 in taller (72.3 in vs 74.5 in)
  4. Width: Chevrolet Suburban 1500 is 2.1 in narrower (81.0 in vs 78.9 in)
  5. Length: Chevrolet Suburban 1500 is 5.6 in shorter (224.9 in vs 219.3 in)

Practical verdicts

  • Easier to fit in a short garageChevrolet Suburban 1500 — Chevrolet Suburban 1500 is shorter by 5.6 in Check garage fit for GMC Sierra 1500 · garage fit for Chevrolet Suburban 1500
  • Narrower for tight parkingChevrolet Suburban 1500 — Chevrolet Suburban 1500 is narrower by 2.1 in
  • Smaller exterior footprintChevrolet Suburban 1500 — Based on length × width (Chevrolet Suburban 1500)

Dimension comparison

SpecGMC Sierra 1500Chevrolet Suburban 1500Difference
Length224.9 in219.3 in5.6 in
Width81.0 in78.9 in2.1 in
Height72.3 in74.5 in2.2 in
Wheelbase138.3 in130.0 in8.3 in
Ground clearance8.4 in——
Curb weight4,620 lb5,083 lb464 lb

Values use trim midpoints when a model year lists a range (e.g. length 203.2 in – 246.6 in).

Compare by year

Overlapping model years with dimension data.

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