Spec Sizes

Buick LaCrosse vs Kia Optima Dimensions & Size Comparison

Comparing 2006 catalog dimensions. Buick LaCrosse · Kia Optima

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

Side view
  • Length198.1 in
  • Height57.4 in
  • Wheelbase110.5 in
  • Curb weight3,495 lb – 3,568 lb
Front / width
  • Width73.0 in
  • Kia Optima width71.1 in – 71.5 in

Which is bigger?

  • Length: Kia Optima is 12.0 in shorter (198.1 in vs 186.1 in)
  • Width: Kia Optima is 1.7 in narrower (73.0 in vs 71.3 in)
  • Height: Buick LaCrosse is 0.5 in taller (57.4 in vs 56.9 in)
  • Wheelbase: Buick LaCrosse has a 3.8 in longer wheelbase (110.5 in vs 106.7 in)
  • Curb weight: Buick LaCrosse is 310 lb heavier (3,532 lb vs 3,222 lb)

Biggest size differences

  1. Curb weight: Buick LaCrosse is 310 lb heavier (3,532 lb vs 3,222 lb)
  2. Length: Kia Optima is 12.0 in shorter (198.1 in vs 186.1 in)
  3. Wheelbase: Buick LaCrosse has a 3.8 in longer wheelbase (110.5 in vs 106.7 in)
  4. Width: Kia Optima is 1.7 in narrower (73.0 in vs 71.3 in)
  5. Height: Buick LaCrosse is 0.5 in taller (57.4 in vs 56.9 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 12.0 in Check garage fit for Buick LaCrosse · garage fit for Kia Optima
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.7 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecBuick LaCrosseKia OptimaDifference
Length198.1 in186.1 in12.0 in
Width73.0 in71.3 in1.7 in
Height57.4 in56.9 in0.5 in
Wheelbase110.5 in106.7 in3.8 in
Curb weight3,532 lb3,222 lb310 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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