Spec Sizes

Lexus IS 250 vs Infiniti Q50 Dimensions & Size Comparison

Comparing 2014 catalog dimensions. Lexus IS 250 · Infiniti Q50

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
  • Curb weight3,461 lb – 3,649 lb
Front / width
  • Width71.3 in
  • Infiniti Q50 width71.8 in

Which is bigger?

  • Length: Lexus IS 250 is 5.0 in shorter (183.7 in vs 188.7 in)
  • Width: Lexus IS 250 is 0.5 in narrower (71.3 in vs 71.8 in)
  • Height: Infiniti Q50 is 0.7 in taller (56.3 in vs 57.0 in)
  • Wheelbase: Infiniti Q50 has a 2.0 in longer wheelbase (110.2 in vs 112.2 in)
  • Curb weight: Infiniti Q50 is 157 lb heavier (3,555 lb vs 3,712 lb)

Biggest size differences

  1. Curb weight: Infiniti Q50 is 157 lb heavier (3,555 lb vs 3,712 lb)
  2. Length: Lexus IS 250 is 5.0 in shorter (183.7 in vs 188.7 in)
  3. Wheelbase: Infiniti Q50 has a 2.0 in longer wheelbase (110.2 in vs 112.2 in)
  4. Height: Infiniti Q50 is 0.7 in taller (56.3 in vs 57.0 in)
  5. Width: Lexus IS 250 is 0.5 in narrower (71.3 in vs 71.8 in)

Practical verdicts

  • Easier to fit in a short garageLexus IS 250 — Lexus IS 250 is shorter by 5.0 in Check garage fit for Lexus IS 250 · garage fit for Infiniti Q50
  • Narrower for tight parkingLexus IS 250 — Lexus IS 250 is narrower by 0.5 in
  • Smaller exterior footprintLexus IS 250 — Based on length × width (Lexus IS 250)

Dimension comparison

SpecLexus IS 250Infiniti Q50Difference
Length183.7 in188.7 in5.0 in
Width71.3 in71.8 in0.5 in
Height56.3 in57.0 in0.7 in
Wheelbase110.2 in112.2 in2.0 in
Curb weight3,555 lb3,712 lb157 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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