Spec Sizes

Buick Regal TourX vs Kia Optima Dimensions & Size Comparison

Comparing 2020 catalog dimensions. Buick Regal TourX · Kia Optima

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

Side view
  • Length196.3 in
  • Height58.4 in
  • Wheelbase111.4 in
  • Curb weight3,708 lb – 3,849 lb
Front / width
  • Width73.3 in
  • Kia Optima width73.2 in

Which is bigger?

  • Length: Kia Optima is 5.2 in shorter (196.3 in vs 191.1 in)
  • Width: Kia Optima is 0.1 in narrower (73.3 in vs 73.2 in)
  • Height: Buick Regal TourX is 0.7 in taller (58.4 in vs 57.7 in)
  • Wheelbase: Buick Regal TourX has a 1.0 in longer wheelbase (111.4 in vs 110.4 in)
  • Curb weight: Buick Regal TourX is 385 lb heavier (3,779 lb vs 3,394 lb)

Biggest size differences

  1. Curb weight: Buick Regal TourX is 385 lb heavier (3,779 lb vs 3,394 lb)
  2. Length: Kia Optima is 5.2 in shorter (196.3 in vs 191.1 in)
  3. Height: Buick Regal TourX is 0.7 in taller (58.4 in vs 57.7 in)
  4. Wheelbase: Buick Regal TourX has a 1.0 in longer wheelbase (111.4 in vs 110.4 in)
  5. Width: Kia Optima is 0.1 in narrower (73.3 in vs 73.2 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 5.2 in Check garage fit for Buick Regal TourX · garage fit for Kia Optima
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 0.1 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecBuick Regal TourXKia OptimaDifference
Length196.3 in191.1 in5.2 in
Width73.3 in73.2 in0.1 in
Height58.4 in57.7 in0.7 in
Wheelbase111.4 in110.4 in1.0 in
Ground clearance—5.3 in—
Curb weight3,779 lb3,394 lb385 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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