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 MRX02 | VP X85R | VP T4+ |
|---|---|---|---|
| RON | 108 | 106 | 105 |
| MON | 95 | 90.7 | 92 |
| (R+M)/2 | 101.5 | 98.3 | 98.5 |
| Specific gravity | 0.7350 (734 kg/m³ at 15 °C) | 0.8000 (799 kg/m³ at 15 °C) | 0.7475 (747 kg/m³ at 15 °C) |
| RVP | 9.96 psi (68.7 kPa) | 3.2 psi (22.1 kPa) | 7.47 psi (51.5 kPa) |
| Oxygen content | 6.99% | 32.31% | 5.94% |
| Fuel type | Leaded | Ethanol | Unleaded |
| Colour | Blue | Colorless | Colorless |
| Leaded | Yes | — | No |
| Oxidation stability | >1440 min | — | >1440 min |
| Distillation — IBP | 91.9°F (33.3°C) | — | 103.4°F (39.7°C) |
| Distillation — 10% | 111.7°F (44.3°C) | — | 136.6°F (58.1°C) |
| Distillation — 50% | 140.4°F (60.2°C) | — | 172.1°F (77.8°C) |
| Distillation — 90% | 308.1°F (153.4°C) | — | 226.9°F (108.3°C) |
| Distillation — FBP | 326.1°F (163.4°C) | — | 255.3°F (124.1°C) |
| H:C ratio | 1.91 | — | 1.95 |
| O:C ratio | 0.07 | — | 0.06 |
| Stoichiometric A/F ratio | 13.3 | — | 13.55 |
Typical values as published by VP Racing Fuels.
You're comparing the maximum of three blends. Remove one to add another.