Spec Sizes

Infiniti Q50 vs BMW M3 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Infiniti Q50 · BMW M3

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

Side view
  • Length189.6 in
  • Height56.8 in – 57.2 in
  • Wheelbase112.2 in
  • Ground clearance4.8 in – 5.2 in
  • Curb weight3,685 lb – 3,998 lb
Front / width
  • Width71.8 in
  • BMW M3 width74.3 in

Which is bigger?

  • Length: BMW M3 is 0.5 in shorter (189.6 in vs 189.1 in)
  • Width: Infiniti Q50 is 2.5 in narrower (71.8 in vs 74.3 in)
  • Height: Infiniti Q50 is 0.6 in taller (57.0 in vs 56.4 in)
  • Wheelbase: BMW M3 has a 0.3 in longer wheelbase (112.2 in vs 112.5 in)
  • Curb weight: BMW M3 is 24 lb heavier (3,842 lb vs 3,865 lb)

Biggest size differences

  1. Width: Infiniti Q50 is 2.5 in narrower (71.8 in vs 74.3 in)
  2. Height: Infiniti Q50 is 0.6 in taller (57.0 in vs 56.4 in)
  3. Curb weight: BMW M3 is 24 lb heavier (3,842 lb vs 3,865 lb)
  4. Wheelbase: BMW M3 has a 0.3 in longer wheelbase (112.2 in vs 112.5 in)
  5. Length: BMW M3 is 0.5 in shorter (189.6 in vs 189.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 0.5 in Check garage fit for Infiniti Q50 · garage fit for BMW M3
  • 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

SpecInfiniti Q50BMW M3Difference
Length189.6 in189.1 in0.5 in
Width71.8 in74.3 in2.5 in
Height57.0 in56.4 in0.6 in
Wheelbase112.2 in112.5 in0.3 in
Ground clearance5.0 in——
Curb weight3,842 lb3,865 lb24 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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