Porsche Panamera vs Buick Riviera Dimensions & Size Comparison
Comparing 2019 vs 1999 catalog dimensions. Porsche Panamera · Buick Riviera
- Length198.8 in – 204.7 in
- Height55.8 in – 56.4 in
- Wheelbase116.1 in – 122.0 in
- Ground clearance4.7 in – 5.3 in
- Curb weight4,001 lb – 4,630 lb
- Width76.3 in
- Buick Riviera width75.0 in
Which is bigger?
- Length: Porsche Panamera is 5.4 in shorter (201.8 in vs 207.2 in)
- Width: Buick Riviera is 1.3 in narrower (76.3 in vs 75.0 in)
- Height: Porsche Panamera is 1.5 in taller (56.1 in vs 54.6 in)
- Wheelbase: Porsche Panamera has a 5.3 in longer wheelbase (119.0 in vs 113.8 in)
- Curb weight: Porsche Panamera is 603 lb heavier (4,316 lb vs 3,713 lb)
Biggest size differences
- Curb weight: Porsche Panamera is 603 lb heavier (4,316 lb vs 3,713 lb)
- Wheelbase: Porsche Panamera has a 5.3 in longer wheelbase (119.0 in vs 113.8 in)
- Height: Porsche Panamera is 1.5 in taller (56.1 in vs 54.6 in)
- Length: Porsche Panamera is 5.4 in shorter (201.8 in vs 207.2 in)
- Width: Buick Riviera is 1.3 in narrower (76.3 in vs 75.0 in)
Practical verdicts
- Easier to fit in a short garagePorsche Panamera — Porsche Panamera is shorter by 5.4 in Check garage fit for Porsche Panamera · garage fit for Buick Riviera
- Narrower for tight parkingBuick Riviera — Buick Riviera is narrower by 1.3 in
Dimension comparison
| Spec | Porsche Panamera | Buick Riviera | Difference |
|---|---|---|---|
| Length | 201.8 in | 207.2 in | 5.4 in |
| Width | 76.3 in | 75.0 in | 1.3 in |
| Height | 56.1 in | 54.6 in | 1.5 in |
| Wheelbase | 119.0 in | 113.8 in | 5.3 in |
| Ground clearance | 5.0 in | — | — |
| Curb weight | 4,316 lb | 3,713 lb | 603 lb |
Values use trim midpoints when a model year lists a range (e.g. length 198.8 in – 204.7 in).
Already own one of these cars?
Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.