Does the 2020 BMW 8 Series need premium gas?
Yes. Premium.
$300extra a year
- Premium listed for the 840i Gran Coupe RWD.
- All 8 trims list premium.
- Required or only recommended: the data does not say.
- 100% of 22 convertibles (2020) list premium.
12,000 miles a year. Gas $3.20. Premium $0.60 more.
| Trim | Engine | Grade | Mpg | Regular, a year | Premium, a year |
|---|---|---|---|---|---|
| 840i Gran Coupe RWD | 3.0L 6cyl | Premium | 24 | $1,600 | $1,900 |
| 840i xDrive Gran Coupe AWD | 3.0L 6cyl | Premium | 23 | $1,670 | $1,983 |
| 840i RWD | 3.0L 6cyl | Premium | 25 | $1,536 | $1,824 |
| 840i xDrive AWD | 3.0L 6cyl | Premium | 23 | $1,670 | $1,983 |
| 840i RWD | 3.0L 6cyl | Premium | 24 | $1,600 | $1,900 |
| 840i xDrive AWD | 3.0L 6cyl | Premium | 23 | $1,670 | $1,983 |
| M850i xDrive AWD | 4.4L 8cyl | Premium | 20 | $1,920 | $2,280 |
| M850i xDrive AWD | 4.4L 8cyl | Premium | 20 | $1,920 | $2,280 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2020 BMW 8 Series | 840i Gran Coupe RWD | Premium |
| 2020 Mercedes-Benz SL-Class | SL 450 Roadster RWD | Premium |
| 2020 Porsche 911 | Carrera RWD | Premium |
What this cannot tell you
Check the fuel door or manual before you fill.
Gas prices and the premium gap change by state.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree