1985 Oldsmobile Delta 88 Royale
7 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Delta 88 Royale | 15 | 22 | 18 | Regular Gasoline | Rear-Wheel Drive | 5L 8-cyl | Automatic 4-spd |
| Delta 88 Royale | 15 | 20 | 17 | Regular Gasoline | Rear-Wheel Drive | 3.8L 6-cyl | Automatic 3-spd |
| Delta 88 Royale | 15 | 22 | 18 | Regular Gasoline | Rear-Wheel Drive | 5L 8-cyl | Automatic 4-spd |
| Delta 88 Royale | 15 | 20 | 17 | Regular Gasoline | Rear-Wheel Drive | 3.8L 6-cyl | Automatic 3-spd |
| Delta 88 Royale | 15 | 20 | 17 | Regular Gasoline | Rear-Wheel Drive | 5L 8-cyl | Automatic 3-spd |
| Delta 88 Royale | 18 | 26 | 21 | Diesel | Rear-Wheel Drive | 5.7L 8-cyl | Automatic 3-spd |
| Delta 88 Royale | 18 | 27 | 21 | Diesel | Rear-Wheel Drive | 5.7L 8-cyl | Automatic 4-spd |