Infiniti Q50 vs Buick Regal Sportback Dimensions & Size Comparison
Comparing 2017 vs 2020 catalog dimensions. Infiniti Q50 · Buick Regal Sportback
- Length188.3 in – 189.1 in
- Height56.8 in – 57.2 in
- Wheelbase112.2 in
- Ground clearance5.0 in – 5.1 in
- Curb weight3,666 lb – 4,005 lb
- Width71.8 in
- Buick Regal Sportback width73.3 in
Which is bigger?
- Length: Infiniti Q50 is 4.2 in shorter (188.7 in vs 192.9 in)
- Width: Infiniti Q50 is 1.5 in narrower (71.8 in vs 73.3 in)
- Height: Buick Regal Sportback is 0.3 in taller (57.0 in vs 57.3 in)
- Wheelbase: Infiniti Q50 has a 0.8 in longer wheelbase (112.2 in vs 111.4 in)
- Curb weight: Buick Regal Sportback is 174 lb heavier (3,836 lb vs 4,009 lb)
Biggest size differences
- Curb weight: Buick Regal Sportback is 174 lb heavier (3,836 lb vs 4,009 lb)
- Length: Infiniti Q50 is 4.2 in shorter (188.7 in vs 192.9 in)
- Width: Infiniti Q50 is 1.5 in narrower (71.8 in vs 73.3 in)
- Wheelbase: Infiniti Q50 has a 0.8 in longer wheelbase (112.2 in vs 111.4 in)
- Height: Buick Regal Sportback is 0.3 in taller (57.0 in vs 57.3 in)
Practical verdicts
- Easier to fit in a short garageInfiniti Q50 — Infiniti Q50 is shorter by 4.2 in Check garage fit for Infiniti Q50 · garage fit for Buick Regal Sportback
- Narrower for tight parkingInfiniti Q50 — Infiniti Q50 is narrower by 1.5 in
- Smaller exterior footprintInfiniti Q50 — Based on length × width (Infiniti Q50)
Dimension comparison
| Spec | Infiniti Q50 | Buick Regal Sportback | Difference |
|---|---|---|---|
| Length | 188.7 in | 192.9 in | 4.2 in |
| Width | 71.8 in | 73.3 in | 1.5 in |
| Height | 57.0 in | 57.3 in | 0.3 in |
| Wheelbase | 112.2 in | 111.4 in | 0.8 in |
| Ground clearance | 5.0 in | — | — |
| Curb weight | 3,836 lb | 4,009 lb | 174 lb |
Values use trim midpoints when a model year lists a range (e.g. length 188.3 in – 189.1 in).
Compare by year
Overlapping model years with dimension data.
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