Buick Regal Sportback vs BMW M3 Dimensions & Size Comparison
Comparing 2018 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 width73.9 in
Which is bigger?
- Length: BMW M3 is 8.4 in shorter (192.9 in vs 184.5 in)
- Width: Buick Regal Sportback is 0.6 in narrower (73.3 in vs 73.9 in)
- Height: Buick Regal Sportback is 1.2 in taller (57.3 in vs 56.1 in)
- Wheelbase: Buick Regal Sportback has a 0.7 in longer wheelbase (111.4 in vs 110.7 in)
- Curb weight: Buick Regal Sportback is 382 lb heavier (3,922 lb vs 3,540 lb)
Biggest size differences
- Curb weight: Buick Regal Sportback is 382 lb heavier (3,922 lb vs 3,540 lb)
- Length: BMW M3 is 8.4 in shorter (192.9 in vs 184.5 in)
- Height: Buick Regal Sportback is 1.2 in taller (57.3 in vs 56.1 in)
- Width: Buick Regal Sportback is 0.6 in narrower (73.3 in vs 73.9 in)
- Wheelbase: Buick Regal Sportback has a 0.7 in longer wheelbase (111.4 in vs 110.7 in)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 8.4 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 0.6 in
- Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)
Dimension comparison
| Spec | Buick Regal Sportback | BMW M3 | Difference |
|---|---|---|---|
| Length | 192.9 in | 184.5 in | 8.4 in |
| Width | 73.3 in | 73.9 in | 0.6 in |
| Height | 57.3 in | 56.1 in | 1.2 in |
| Wheelbase | 111.4 in | 110.7 in | 0.7 in |
| Ground clearance | — | 4.7 in | — |
| Curb weight | 3,922 lb | 3,540 lb | 382 lb |
Values use trim midpoints when a model year lists a range.
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Overlapping model years with dimension data.
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