The current Porsche 911 covers up to 638 km on a full tank, based on combined-cycle consumption. Figures below are the best-range variant in each generation.
| Years | Powertrain | Range |
|---|---|---|
| 1977–1989 | Combustion | 816 |
| 1988–1993 | Combustion | 670 |
| 1993–1998 | Combustion | 742 |
| 1995–1997 | Combustion | 622 |
| 1997–2001 | Combustion | 698 |
| 2000–2006 | Combustion | 690 |
| 2001–2005 | Combustion | 577 |
| 2004–2010 | Combustion | 593 |
| 2008–2013 | Combustion | 756 |
| 2011–2016 | Combustion | 791 |
| 2015–2019 | Combustion | 870 |
| 2019–2025 | Combustion | 728 |
| 2020–2024 | Combustion | 684 |
| 2024–present | Combustion | 638 |
Range is calculated from each variant’s fuel tank capacity and combined-cycle consumption (tank ÷ consumption × 100), for the best-range variant in each generation — real-world range varies with driving style and conditions. Figures outside a plausible range for the tank size are excluded.