Spec Sizes

BMW M3 vs Infiniti Q50 Dimensions & Size Comparison

Comparing 2023 vs 2022 catalog dimensions. BMW M3 · Infiniti Q50

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

Side view
  • Length189.1 in
  • Height56.4 in – 56.5 in
  • Wheelbase112.5 in
  • Curb weight3,840 lb – 3,990 lb
Front / width
  • Width74.3 in
  • Infiniti Q50 width71.8 in

Which is bigger?

  • Length: BMW M3 is 0.5 in shorter (189.1 in vs 189.6 in)
  • Width: Infiniti Q50 is 2.5 in narrower (74.3 in vs 71.8 in)
  • Height: Infiniti Q50 is 0.8 in taller (56.5 in vs 57.2 in)
  • Wheelbase: BMW M3 has a 0.3 in longer wheelbase (112.5 in vs 112.2 in)
  • Curb weight: BMW M3 is 15 lb heavier (3,915 lb vs 3,900 lb)

Biggest size differences

  1. Width: Infiniti Q50 is 2.5 in narrower (74.3 in vs 71.8 in)
  2. Height: Infiniti Q50 is 0.8 in taller (56.5 in vs 57.2 in)
  3. Curb weight: BMW M3 is 15 lb heavier (3,915 lb vs 3,900 lb)
  4. Wheelbase: BMW M3 has a 0.3 in longer wheelbase (112.5 in vs 112.2 in)
  5. Length: BMW M3 is 0.5 in shorter (189.1 in vs 189.6 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 0.5 in Check garage fit for BMW M3 · garage fit for Infiniti Q50
  • Narrower for tight parkingInfiniti Q50 — Infiniti Q50 is narrower by 2.5 in
  • Smaller exterior footprintInfiniti Q50 — Based on length × width (Infiniti Q50)

Dimension comparison

SpecBMW M3Infiniti Q50Difference
Length189.1 in189.6 in0.5 in
Width74.3 in71.8 in2.5 in
Height56.5 in57.2 in0.8 in
Wheelbase112.5 in112.2 in0.3 in
Ground clearance—5.0 in—
Curb weight3,915 lb3,900 lb15 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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