Buick Regal Sportback vs BMW M3 Dimensions & Size Comparison
Comparing 2018 vs 2023 catalog dimensions. Buick Regal Sportback · BMW M3
- Length192.9 in
- Height57.3 in
- Wheelbase111.4 in
- Curb weight3,748 lb – 4,096 lb
- Width73.3 in
- BMW M3 width74.3 in
Which is bigger?
- Length: BMW M3 is 3.8 in shorter (192.9 in vs 189.1 in)
- Width: Buick Regal Sportback is 1.0 in narrower (73.3 in vs 74.3 in)
- Height: Buick Regal Sportback is 0.8 in taller (57.3 in vs 56.5 in)
- Wheelbase: BMW M3 has a 1.1 in longer wheelbase (111.4 in vs 112.5 in)
- Curb weight: Buick Regal Sportback is 7 lb heavier (3,922 lb vs 3,915 lb)
Biggest size differences
- Length: BMW M3 is 3.8 in shorter (192.9 in vs 189.1 in)
- Height: Buick Regal Sportback is 0.8 in taller (57.3 in vs 56.5 in)
- Width: Buick Regal Sportback is 1.0 in narrower (73.3 in vs 74.3 in)
- Wheelbase: BMW M3 has a 1.1 in longer wheelbase (111.4 in vs 112.5 in)
- Curb weight: Buick Regal Sportback is 7 lb heavier (3,922 lb vs 3,915 lb)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 3.8 in Check garage fit for Buick Regal Sportback · garage fit for BMW M3
- Narrower for tight parkingBuick Regal Sportback — Buick Regal Sportback is narrower by 1.0 in
Dimension comparison
| Spec | Buick Regal Sportback | BMW M3 | Difference |
|---|---|---|---|
| Length | 192.9 in | 189.1 in | 3.8 in |
| Width | 73.3 in | 74.3 in | 1.0 in |
| Height | 57.3 in | 56.5 in | 0.8 in |
| Wheelbase | 111.4 in | 112.5 in | 1.1 in |
| Curb weight | 3,922 lb | 3,915 lb | 7 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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