Does the 1985 Chevrolet Astro 2WD (passenger) need premium gas?
Every trim takes regular — no premium needed.
| Trim (engine / transmission) | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.5L 4-cyl, 5-spd manual, RWD | REGULAR | 22 | $2,850 |
| 2.5L 4-cyl, 4-spd manual, RWD | REGULAR | 21 | $2,950 |
| 2.5L 4-cyl, 4-spd manual, RWD | REGULAR | 20 | $3,100 |
| 2.5L 4-cyl, Automatic 4-spd, RWD | REGULAR | 20 | $3,100 |
| 4.3L 6-cyl, Automatic 4-spd, RWD | REGULAR | 17 | $3,650 |
| 4.3L 6-cyl, 5-spd manual, RWD | REGULAR | 17 | $3,650 |
| 4.3L 6-cyl, Automatic 4-spd, RWD | REGULAR | 16 | $3,900 |
| 4.3L 6-cyl, 5-spd manual, RWD | REGULAR | 16 | $3,900 |
| 4.3L 6-cyl, 4-spd manual, RWD | REGULAR | 16 | $3,900 |
| 4.3L 6-cyl, 4-spd manual, RWD | REGULAR | 15 | $4,150 |
The EPA records the fuel each version was tested on. Whether premium is strictly required or just recommended is an owner's-manual detail the EPA dataset doesn't include — so we don't guess it.
10 trim(s) · EPA FuelEconomy.gov · retrieved 2026-06-14.