Spec Sizes

Kia Optima vs Buick Regal Dimensions & Size Comparison

Comparing 2002 catalog dimensions. Kia Optima · Buick Regal

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

Side view
  • Length185.9 in
  • Height55.5 in
  • Wheelbase106.3 in
  • Curb weight3,157 lb – 3,190 lb
Front / width
  • Width71.5 in
  • Buick Regal width72.7 in

Which is bigger?

  • Length: Kia Optima is 10.3 in shorter (185.9 in vs 196.2 in)
  • Width: Kia Optima is 1.2 in narrower (71.5 in vs 72.7 in)
  • Height: Buick Regal is 1.1 in taller (55.5 in vs 56.6 in)
  • Wheelbase: Buick Regal has a 2.7 in longer wheelbase (106.3 in vs 109.0 in)
  • Curb weight: Buick Regal is 317 lb heavier (3,174 lb vs 3,491 lb)

Biggest size differences

  1. Curb weight: Buick Regal is 317 lb heavier (3,174 lb vs 3,491 lb)
  2. Length: Kia Optima is 10.3 in shorter (185.9 in vs 196.2 in)
  3. Wheelbase: Buick Regal has a 2.7 in longer wheelbase (106.3 in vs 109.0 in)
  4. Height: Buick Regal is 1.1 in taller (55.5 in vs 56.6 in)
  5. Width: Kia Optima is 1.2 in narrower (71.5 in vs 72.7 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 10.3 in Check garage fit for Kia Optima · garage fit for Buick Regal
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.2 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecKia OptimaBuick RegalDifference
Length185.9 in196.2 in10.3 in
Width71.5 in72.7 in1.2 in
Height55.5 in56.6 in1.1 in
Wheelbase106.3 in109.0 in2.7 in
Curb weight3,174 lb3,491 lb317 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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