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 X85L | VP Q16 REG | VP MR PRO6 REG |
|---|---|---|---|
| RON | >120 | >120 | 104 |
| MON | 120 | 116 | 86 |
| (R+M)/2 | >120 | >118 | 95 |
| Specific gravity | 0.7850 (784 kg/m³ at 15 °C) | 0.7200 (719 kg/m³ at 15 °C) | 0.7250 (724 kg/m³ at 15 °C) |
| RVP | 4.09 psi (28.2 kPa) | 5.64 psi (38.9 kPa) | 11.01 psi (75.9 kPa) |
| Oxygen content | 29.95% | 9.41% | 3.89% |
| Fuel type | Ethanol | Leaded | Unleaded |
| Colour | Light Purple | Yellow | Colorless |
| Leaded | Yes | Yes | No |
| Oxidation stability | >1440 min | >1440 min | >1440 min |
| Distillation — IBP | 145.6°F (63.1°C) | 118.9°F (48.3°C) | 100.1°F (37.8°C) |
| Distillation — 10% | 164.1°F (73.4°C) | 151.5°F (66.4°C) | 116°F (46.7°C) |
| Distillation — 50% | 170.1°F (76.7°C) | 173.1°F (78.4°C) | 147.4°F (64.1°C) |
| Distillation — 90% | 171.7°F (77.6°C) | 204.6°F (95.9°C) | 321.8°F (161.0°C) |
| Distillation — FBP | 185.7°F (85.4°C) | 269.2°F (131.8°C) | 328.2°F (164.6°C) |
| H:C ratio | 2.81 | 2.31 | 1.79 |
| O:C ratio | 0.4 | 0.09 | 0.04 |
| Stoichiometric A/F ratio | 9.78 | 13.33 | 13.72 |
Typical values as published by VP Racing Fuels.
You're comparing the maximum of three blends. Remove one to add another.