Buick Reatta Gas Tank Size and Capacity by Year
18.2–18.8gal · 69–71 L
Across 2 model years (1990–1991), the Buick Reatta has used tanks from 18.2–18.8 gallons. The 1991 model holds 18.8 gallons.
Pick your model year
How the tank changed over the years
Buick Reatta tank size by generation
Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.
Buick Reatta tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 1991 Buick Reatta | 18.8 gallons | 71 L | 470 mi | 2 |
| 1990 Buick Reatta | 18.2 gallons | 69 L | 455 mi | 2 |
Frequently asked questions
What size gas tank does the Buick Reatta have?
The 1991 Buick Reatta holds 18.8 gallons. Older years range from 18.2–18.8 gallons; the table has every year.
Has the tank size changed over the years?
Yes. The largest tank changed in 1991.