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 C85 | VP X85R | VP MR PRO6 REG |
|---|---|---|---|
| RON | 106 | 106 | 104 |
| MON | 86.5 | 90.7 | 86 |
| (R+M)/2 | 96.3 | 98.3 | 95 |
| Specific gravity | 0.7940 (793 kg/m³ at 15 °C) | 0.8000 (799 kg/m³ at 15 °C) | 0.7250 (724 kg/m³ at 15 °C) |
| RVP | 5.98 psi (41.2 kPa) | 3.2 psi (22.1 kPa) | 11.01 psi (75.9 kPa) |
| Oxygen content | 31.97% | 32.31% | 3.89% |
| Fuel type | Ethanol | Ethanol | Unleaded |
| Colour | Yellow | Colorless | Colorless |
| Leaded | No | — | No |
| Oxidation stability | >1440 min | — | >1440 min |
| Distillation — IBP | 119.8°F (48.8°C) | — | 100.1°F (37.8°C) |
| Distillation — 10% | 153.9°F (67.7°C) | — | 116°F (46.7°C) |
| Distillation — 50% | 167°F (75.0°C) | — | 147.4°F (64.1°C) |
| Distillation — 90% | 171°F (77.2°C) | — | 321.8°F (161.0°C) |
| Distillation — FBP | 182.3°F (83.5°C) | — | 328.2°F (164.6°C) |
| H:C ratio | 2.85 | — | 1.79 |
| O:C ratio | 0.45 | — | 0.04 |
| Stoichiometric A/F ratio | 9.2 | — | 13.72 |
Typical values as published by VP Racing Fuels.
You're comparing the maximum of three blends. Remove one to add another.