Buick Regal vs Kia Optima Dimensions & Size Comparison

Comparing 2017 catalog dimensions. Buick Regal · Kia Optima

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

Side view
  • Length190.2 in
  • Height58.0 in – 58.4 in
  • Wheelbase107.8 in
  • Ground clearance5.5 in
  • Curb weight3,600 lb – 3,981 lb
Front / width
  • Width73.1 in
  • Kia Optima width73.2 in

Which is bigger?

  • Length: Buick Regal is 0.9 in shorter (190.2 in vs 191.1 in)
  • Width: Buick Regal is 0.1 in narrower (73.1 in vs 73.2 in)
  • Height: Buick Regal is 0.5 in taller (58.2 in vs 57.7 in)
  • Wheelbase: Kia Optima has a 2.6 in longer wheelbase (107.8 in vs 110.4 in)
  • Ground clearance: Buick Regal has 0.2 in more ground clearance (5.5 in vs 5.3 in)
  • Curb weight: Buick Regal is 384 lb heavier (3,791 lb vs 3,407 lb)

Biggest size differences

  1. Curb weight: Buick Regal is 384 lb heavier (3,791 lb vs 3,407 lb)
  2. Ground clearance: Buick Regal has 0.2 in more ground clearance (5.5 in vs 5.3 in)
  3. Wheelbase: Kia Optima has a 2.6 in longer wheelbase (107.8 in vs 110.4 in)
  4. Height: Buick Regal is 0.5 in taller (58.2 in vs 57.7 in)
  5. Length: Buick Regal is 0.9 in shorter (190.2 in vs 191.1 in)

Practical verdicts

  • Easier to fit in a short garageBuick RegalBuick Regal is shorter by 0.9 in Check garage fit for Buick Regal · garage fit for Kia Optima
  • Narrower for tight parkingBuick RegalBuick Regal is narrower by 0.1 in
  • More ground clearanceBuick RegalBuick Regal has 0.2 in more clearance

Dimension comparison

SpecBuick RegalKia OptimaDifference
Length190.2 in191.1 in0.9 in
Width73.1 in73.2 in0.1 in
Height58.2 in57.7 in0.5 in
Wheelbase107.8 in110.4 in2.6 in
Ground clearance5.5 in5.3 in0.2 in
Curb weight3,791 lb3,407 lb384 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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