Spec Sizes

Lexus IS 250 vs Buick Regal Dimensions & Size Comparison

Comparing 2015 vs 2017 catalog dimensions. Lexus IS 250 · Buick Regal

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

Side view
  • Length183.7 in
  • Height56.3 in
  • Wheelbase110.2 in
  • Ground clearance5.1 in – 5.3 in
  • Curb weight3,461 lb – 3,649 lb
Front / width
  • Width71.3 in
  • Buick Regal width73.1 in

Which is bigger?

  • Length: Lexus IS 250 is 6.5 in shorter (183.7 in vs 190.2 in)
  • Width: Lexus IS 250 is 1.8 in narrower (71.3 in vs 73.1 in)
  • Height: Buick Regal is 1.9 in taller (56.3 in vs 58.2 in)
  • Wheelbase: Lexus IS 250 has a 2.4 in longer wheelbase (110.2 in vs 107.8 in)
  • Ground clearance: Buick Regal has 0.3 in more ground clearance (5.2 in vs 5.5 in)
  • Curb weight: Buick Regal is 236 lb heavier (3,555 lb vs 3,791 lb)

Biggest size differences

  1. Curb weight: Buick Regal is 236 lb heavier (3,555 lb vs 3,791 lb)
  2. Ground clearance: Buick Regal has 0.3 in more ground clearance (5.2 in vs 5.5 in)
  3. Length: Lexus IS 250 is 6.5 in shorter (183.7 in vs 190.2 in)
  4. Height: Buick Regal is 1.9 in taller (56.3 in vs 58.2 in)
  5. Width: Lexus IS 250 is 1.8 in narrower (71.3 in vs 73.1 in)

Practical verdicts

  • Easier to fit in a short garageLexus IS 250 — Lexus IS 250 is shorter by 6.5 in Check garage fit for Lexus IS 250 · garage fit for Buick Regal
  • Narrower for tight parkingLexus IS 250 — Lexus IS 250 is narrower by 1.8 in
  • More ground clearanceBuick Regal — Buick Regal has 0.3 in more clearance
  • Smaller exterior footprintLexus IS 250 — Based on length × width (Lexus IS 250)

Dimension comparison

SpecLexus IS 250Buick RegalDifference
Length183.7 in190.2 in6.5 in
Width71.3 in73.1 in1.8 in
Height56.3 in58.2 in1.9 in
Wheelbase110.2 in107.8 in2.4 in
Ground clearance5.2 in5.5 in0.3 in
Curb weight3,555 lb3,791 lb236 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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