Spec Sizes

BMW M3 vs Mazda Mazda6 Dimensions & Size Comparison

Comparing 2008 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 – 55.7 in
  • Wheelbase108.7 in
  • Curb weight3,704 lb – 4,145 lb
Front / width
  • Width70.2 in – 71.5 in
  • Mazda Mazda6 width70.1 in

Which is bigger?

  • Length: BMW M3 is 5.7 in shorter (181.1 in vs 186.8 in)
  • Width: Mazda Mazda6 is 0.8 in narrower (70.8 in vs 70.1 in)
  • Height: Mazda Mazda6 is 1.5 in taller (55.3 in vs 56.7 in)
  • Wheelbase: BMW M3 has a 3.4 in longer wheelbase (108.7 in vs 105.3 in)
  • Curb weight: BMW M3 is 667 lb heavier (3,925 lb vs 3,258 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 667 lb heavier (3,925 lb vs 3,258 lb)
  2. Wheelbase: BMW M3 has a 3.4 in longer wheelbase (108.7 in vs 105.3 in)
  3. Length: BMW M3 is 5.7 in shorter (181.1 in vs 186.8 in)
  4. Height: Mazda Mazda6 is 1.5 in taller (55.3 in vs 56.7 in)
  5. Width: Mazda Mazda6 is 0.8 in narrower (70.8 in vs 70.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 5.7 in Check garage fit for BMW M3 · garage fit for Mazda Mazda6
  • Narrower for tight parkingMazda Mazda6 — Mazda Mazda6 is narrower by 0.8 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecBMW M3Mazda Mazda6Difference
Length181.1 in186.8 in5.7 in
Width70.8 in70.1 in0.8 in
Height55.3 in56.7 in1.5 in
Wheelbase108.7 in105.3 in3.4 in
Curb weight3,925 lb3,258 lb667 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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