Spec Sizes

GMC Sierra 2500HD vs Chevrolet Silverado 3500HD Dimensions & Size Comparison

Comparing 2015 catalog dimensions. GMC Sierra 2500HD · Chevrolet Silverado 3500HD

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

Side view
  • Length224.4 in – 258.4 in
  • Height77.8 in – 78.3 in
  • Wheelbase133.6 in – 167.7 in
  • Ground clearance8.8 in – 9.7 in
  • Curb weight5,717 lb – 6,689 lb
Front / width
  • Width80.1 in – 80.5 in
  • Chevrolet Silverado 3500HD width80.1 in – 96.0 in

Which is bigger?

  • Length: essentially the same
  • Width: GMC Sierra 2500HD is 7.8 in narrower (80.3 in vs 88.0 in)
  • Height: GMC Sierra 2500HD is 0.5 in taller (78.0 in vs 77.5 in)
  • Wheelbase: essentially the same
  • Ground clearance: GMC Sierra 2500HD has 0.8 in more ground clearance (9.3 in vs 8.4 in)
  • Curb weight: Chevrolet Silverado 3500HD is 391 lb heavier (6,203 lb vs 6,594 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 0.8 in more ground clearance (9.3 in vs 8.4 in)
  2. Width: GMC Sierra 2500HD is 7.8 in narrower (80.3 in vs 88.0 in)
  3. Curb weight: Chevrolet Silverado 3500HD is 391 lb heavier (6,203 lb vs 6,594 lb)
  4. Height: GMC Sierra 2500HD is 0.5 in taller (78.0 in vs 77.5 in)

Practical verdicts

  • Narrower for tight parkingGMC Sierra 2500HD — GMC Sierra 2500HD is narrower by 7.8 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 0.8 in more clearance
  • Smaller exterior footprintGMC Sierra 2500HD — Based on length × width (GMC Sierra 2500HD)

Dimension comparison

SpecGMC Sierra 2500HDChevrolet Silverado 3500HDDifference
Length241.4 in241.4 in0.0 in
Width80.3 in88.0 in7.8 in
Height78.0 in77.5 in0.5 in
Wheelbase150.6 in150.6 in0.0 in
Ground clearance9.3 in8.4 in0.8 in
Curb weight6,203 lb6,594 lb391 lb

Values use trim midpoints when a model year lists a range (e.g. length 224.4 in – 258.4 in).

Compare by year

Overlapping model years with dimension data.

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