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 X85R | VP R5.1 | VP M5 |
|---|---|---|---|
| RON | 106 | 102 | 102 |
| MON | 90.7 | 86.3 | 120 |
| (R+M)/2 | 98.3 | 94.3 | 111 |
| Specific gravity | 0.8000 (799 kg/m³ at 15 °C) | 0.7818 (781 kg/m³ at 15 °C) | 0.8070 (806 kg/m³ at 15 °C) |
| RVP | 3.2 psi (22.1 kPa) | 7.28 psi (50.2 kPa) | 6.39 psi (44.1 kPa) |
| Oxygen content | 32.31% | 3.68% | 48.13% |
| Fuel type | Ethanol | Unleaded | Methanol |
| Colour | Colorless | Colorless | Colorless |
| Leaded | — | No | — |
| Oxidation stability | — | >1440 min | >1440 min |
| Distillation — IBP | — | 113.2°F (45.1°C) | — |
| Distillation — 10% | — | 129°F (53.9°C) | — |
| Distillation — 50% | — | 200.3°F (93.5°C) | — |
| Distillation — 90% | — | 242.4°F (116.9°C) | — |
| Distillation — FBP | — | 281.7°F (138.7°C) | — |
| H:C ratio | — | 1.74 | — |
| O:C ratio | — | 0.03 | — |
| Stoichiometric A/F ratio | — | 13.69 | 6.48 |
Typical values as published by VP Racing Fuels.
You're comparing the maximum of three blends. Remove one to add another.