BMW M5 vs Buick Regal Sportback Dimensions & Size Comparison

Comparing 2020 catalog dimensions. BMW M5 · Buick Regal Sportback

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

Side view
  • Length195.5 in
  • Height58.0 in
  • Wheelbase117.4 in
  • Curb weight4,370 lb
Front / width
  • Width74.9 in
  • Buick Regal Sportback width73.3 in

Which is bigger?

  • Length: Buick Regal Sportback is 2.6 in shorter (195.5 in vs 192.9 in)
  • Width: Buick Regal Sportback is 1.6 in narrower (74.9 in vs 73.3 in)
  • Height: BMW M5 is 0.7 in taller (58.0 in vs 57.3 in)
  • Wheelbase: BMW M5 has a 6.0 in longer wheelbase (117.4 in vs 111.4 in)
  • Curb weight: BMW M5 is 361 lb heavier (4,370 lb vs 4,009 lb)

Biggest size differences

  1. Curb weight: BMW M5 is 361 lb heavier (4,370 lb vs 4,009 lb)
  2. Wheelbase: BMW M5 has a 6.0 in longer wheelbase (117.4 in vs 111.4 in)
  3. Width: Buick Regal Sportback is 1.6 in narrower (74.9 in vs 73.3 in)
  4. Length: Buick Regal Sportback is 2.6 in shorter (195.5 in vs 192.9 in)
  5. Height: BMW M5 is 0.7 in taller (58.0 in vs 57.3 in)

Practical verdicts

  • Easier to fit in a short garageBuick Regal Sportback — Buick Regal Sportback is shorter by 2.6 in Check garage fit for BMW M5 · garage fit for Buick Regal Sportback
  • Narrower for tight parkingBuick Regal Sportback — Buick Regal Sportback is narrower by 1.6 in
  • Smaller exterior footprintBuick Regal Sportback — Based on length × width (Buick Regal Sportback)

Dimension comparison

SpecBMW M5Buick Regal SportbackDifference
Length195.5 in192.9 in2.6 in
Width74.9 in73.3 in1.6 in
Height58.0 in57.3 in0.7 in
Wheelbase117.4 in111.4 in6.0 in
Curb weight4,370 lb4,009 lb361 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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