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 C9 | VP C85 | VP X85R |
|---|---|---|---|
| RON | 98.5 | 106 | 106 |
| MON | 95 | 86.5 | 90.7 |
| (R+M)/2 | 96.8 | 96.3 | 98.3 |
| Specific gravity | 0.7225 (722 kg/m³ at 15 °C) | 0.7940 (793 kg/m³ at 15 °C) | 0.8000 (799 kg/m³ at 15 °C) |
| RVP | 6.89 psi (47.5 kPa) | 5.98 psi (41.2 kPa) | 3.2 psi (22.1 kPa) |
| Oxygen content | 0% | 31.97% | 32.31% |
| Fuel type | Unleaded | Ethanol | Ethanol |
| Colour | Red | Yellow | Colorless |
| Leaded | No | No | — |
| Oxidation stability | >1440 min | >1440 min | — |
| Distillation — IBP | 91.8°F (33.2°C) | 119.8°F (48.8°C) | — |
| Distillation — 10% | 140°F (60.0°C) | 153.9°F (67.7°C) | — |
| Distillation — 50% | 217°F (102.8°C) | 167°F (75.0°C) | — |
| Distillation — 90% | 248.4°F (120.2°C) | 171°F (77.2°C) | — |
| Distillation — FBP | 376°F (191.1°C) | 182.3°F (83.5°C) | — |
| H:C ratio | 1.99 | 2.85 | — |
| O:C ratio | 0 | 0.45 | — |
| Stoichiometric A/F ratio | 14.73 | 9.2 | — |
Typical values as published by VP Racing Fuels.
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