Spec Sizes

BMW M3 vs Mazda Mazda6 Dimensions & Size Comparison

Comparing 2010 catalog dimensions. BMW M3 · Mazda Mazda6

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

Side view
  • Length180.4 in – 181.8 in
  • Height54.8 in – 57.0 in
  • Wheelbase108.7 in
  • Curb weight3,704 lb – 4,145 lb
Front / width
  • Width71.0 in – 71.5 in
  • Mazda Mazda6 width72.4 in

Which is bigger?

  • Length: BMW M3 is 12.6 in shorter (181.1 in vs 193.7 in)
  • Width: BMW M3 is 1.2 in narrower (71.3 in vs 72.4 in)
  • Height: Mazda Mazda6 is 2.0 in taller (55.9 in vs 57.9 in)
  • Wheelbase: Mazda Mazda6 has a 1.1 in longer wheelbase (108.7 in vs 109.8 in)
  • Curb weight: BMW M3 is 522 lb heavier (3,925 lb vs 3,403 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 522 lb heavier (3,925 lb vs 3,403 lb)
  2. Length: BMW M3 is 12.6 in shorter (181.1 in vs 193.7 in)
  3. Height: Mazda Mazda6 is 2.0 in taller (55.9 in vs 57.9 in)
  4. Width: BMW M3 is 1.2 in narrower (71.3 in vs 72.4 in)
  5. Wheelbase: Mazda Mazda6 has a 1.1 in longer wheelbase (108.7 in vs 109.8 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 12.6 in Check garage fit for BMW M3 · garage fit for Mazda Mazda6
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 1.2 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecBMW M3Mazda Mazda6Difference
Length181.1 in193.7 in12.6 in
Width71.3 in72.4 in1.2 in
Height55.9 in57.9 in2.0 in
Wheelbase108.7 in109.8 in1.1 in
Curb weight3,925 lb3,403 lb522 lb

Values use trim midpoints when a model year lists a range (e.g. length 180.4 in – 181.8 in).

Compare by year

Overlapping model years with dimension data.

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