Compare VP race fuels side by side
Pick two or three blends below to see their published specs side by side — the same figures, in the same units, as each blend's own page.
| Spec | VP C9 | VP M5 | VP X85 |
|---|---|---|---|
| RON | 98.5 | 102 | 108 |
| MON | 95 | 120 | 95.2 |
| (R+M)/2 | 96.8 | 111 | 101.6 |
| Specific gravity | 0.7225 (722 kg/m³ at 15 °C) | 0.8070 (806 kg/m³ at 15 °C) | 0.7800 (779 kg/m³ at 15 °C) |
| RVP | 6.89 psi (47.5 kPa) | 6.39 psi (44.1 kPa) | 4.22 psi (29.1 kPa) |
| Oxygen content | 0% | 48.13% | 30.03% |
| Fuel type | Unleaded | Methanol | Ethanol |
| Colour | Red | Colorless | Colorless |
| Leaded | No | — | No |
| Oxidation stability | >1440 min | >1440 min | >1440 min |
| Distillation — IBP | 91.8°F (33.2°C) | — | 140°F (60.0°C) |
| Distillation — 10% | 140°F (60.0°C) | — | 163.4°F (73.0°C) |
| Distillation — 50% | 217°F (102.8°C) | — | 170.6°F (77.0°C) |
| Distillation — 90% | 248.4°F (120.2°C) | — | 172°F (77.8°C) |
| Distillation — FBP | 376°F (191.1°C) | — | 174.7°F (79.3°C) |
| H:C ratio | 1.99 | — | 2.85 |
| O:C ratio | 0 | — | 0.4 |
| Stoichiometric A/F ratio | 14.73 | 6.48 | 9.81 |
Typical values as published by VP Racing Fuels.
You're comparing the maximum of three blends. Remove one to add another.