1999 Buick Riviera Gas Tank Size
Gas tank size for 1999 Buick Riviera. Fuel tank capacity in gallons and litres.
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| Trim | Engine Type | Gallons (US) | Gallons (UK) | Litres |
|---|---|---|---|---|
| Base - Coupe(3.8L V6 Supercharger 4-speed Automatic) | Gas | 18.5 | 15.4 | 71 |
Buick Riviera 1999