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 T4+ |
|---|---|---|
| RON | 106 | 105 |
| MON | 90.7 | 92 |
| (R+M)/2 | 98.3 | 98.5 |
| Specific gravity | 0.8000 (799 kg/m³ at 15 °C) | 0.7475 (747 kg/m³ at 15 °C) |
| RVP | 3.2 psi (22.1 kPa) | 7.47 psi (51.5 kPa) |
| Oxygen content | 32.31% | 5.94% |
| Fuel type | Ethanol | Unleaded |
| Colour | Colorless | Colorless |
| Leaded | — | No |
| Oxidation stability | — | >1440 min |
| Distillation — IBP | — | 103.4°F (39.7°C) |
| Distillation — 10% | — | 136.6°F (58.1°C) |
| Distillation — 50% | — | 172.1°F (77.8°C) |
| Distillation — 90% | — | 226.9°F (108.3°C) |
| Distillation — FBP | — | 255.3°F (124.1°C) |
| H:C ratio | — | 1.95 |
| O:C ratio | — | 0.06 |
| Stoichiometric A/F ratio | — | 13.55 |
Typical values as published by VP Racing Fuels.