Infiniti Q50 vs Buick Regal Sportback Dimensions & Size Comparison
Comparing 2018 catalog dimensions. Infiniti Q50 · Buick Regal Sportback
- Length189.6 in
- Height56.8 in – 57.2 in
- Wheelbase112.2 in
- Ground clearance4.8 in – 5.2 in
- Curb weight3,671 lb – 3,993 lb
- Width71.8 in
- Buick Regal Sportback width73.3 in
Which is bigger?
- Length: Infiniti Q50 is 3.3 in shorter (189.6 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 90 lb heavier (3,832 lb vs 3,922 lb)
Biggest size differences
- Curb weight: Buick Regal Sportback is 90 lb heavier (3,832 lb vs 3,922 lb)
- Width: Infiniti Q50 is 1.5 in narrower (71.8 in vs 73.3 in)
- Length: Infiniti Q50 is 3.3 in shorter (189.6 in vs 192.9 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 3.3 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 | 189.6 in | 192.9 in | 3.3 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 | 3,832 lb | 3,922 lb | 90 lb |
Values use trim midpoints when a model year lists a range.
Compare by year
Overlapping model years with dimension data.
Already own one of these cars?
Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.