Spec Sizes

GMC Acadia vs Toyota Sienna Dimensions & Size Comparison

Comparing 2016 vs 2022 catalog dimensions. GMC Acadia · Toyota Sienna

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

Side view
  • Length200.8 in
  • Height70.4 in
  • Wheelbase118.9 in
  • Ground clearance7.6 in
  • Curb weight4,656 lb – 4,850 lb
Front / width
  • Width78.9 in
  • Toyota Sienna width78.5 in

Which is bigger?

  • Length: GMC Acadia is 3.1 in shorter (200.8 in vs 203.9 in)
  • Width: Toyota Sienna is 0.4 in narrower (78.9 in vs 78.5 in)
  • Height: GMC Acadia is 1.3 in taller (70.4 in vs 69.1 in)
  • Wheelbase: Toyota Sienna has a 1.6 in longer wheelbase (118.9 in vs 120.5 in)
  • Ground clearance: GMC Acadia has 0.9 in more ground clearance (7.6 in vs 6.7 in)
  • Curb weight: GMC Acadia is 86 lb heavier (4,753 lb vs 4,668 lb)

Biggest size differences

  1. Ground clearance: GMC Acadia has 0.9 in more ground clearance (7.6 in vs 6.7 in)
  2. Height: GMC Acadia is 1.3 in taller (70.4 in vs 69.1 in)
  3. Curb weight: GMC Acadia is 86 lb heavier (4,753 lb vs 4,668 lb)
  4. Length: GMC Acadia is 3.1 in shorter (200.8 in vs 203.9 in)
  5. Wheelbase: Toyota Sienna has a 1.6 in longer wheelbase (118.9 in vs 120.5 in)

Practical verdicts

  • Easier to fit in a short garageGMC Acadia — GMC Acadia is shorter by 3.1 in Check garage fit for GMC Acadia · garage fit for Toyota Sienna
  • Narrower for tight parkingToyota Sienna — Toyota Sienna is narrower by 0.4 in
  • More ground clearanceGMC Acadia — GMC Acadia has 0.9 in more clearance
  • Smaller exterior footprintGMC Acadia — Based on length × width (GMC Acadia)

Dimension comparison

SpecGMC AcadiaToyota SiennaDifference
Length200.8 in203.9 in3.1 in
Width78.9 in78.5 in0.4 in
Height70.4 in69.1 in1.3 in
Wheelbase118.9 in120.5 in1.6 in
Ground clearance7.6 in6.7 in0.9 in
Curb weight4,753 lb4,668 lb86 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

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