Engine oil technical data · Mobil
Mobil 1 FS X2 5W-50
Mobil 1 FS X2 5W-50 is a 5W-50 engine oil (ACEA A3/B3 (odpor.), A3/B4 (meets) · API CF; meets SJ–SP, SQ). According to the manufacturer's data sheet it has a viscosity of 112 mm²/s at 40 °C, 18.6 mm²/s at 100 °C, a viscosity index of 185, HTHS of 4.3 mPa·s, a TBN of 13 mg KOH/g and a pour point of −39 °C.
Data sheet ↗ Data verified: 3 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 5W-50 |
|---|---|---|
| Viscosity 40 °C | 112 mm²/s | 114 mm²/s |
| Viscosity 100 °C | 18.6 mm²/s | 18 mm²/s |
| Viscosity index | 185 | 180 |
| TBN | 13 mg KOH/g | 9.6 mg KOH/g |
| CCS −30 °C | not stated | |
| Pour point | −39 °C | −42 °C |
| Flash point | 225 °C | 230 °C |
| Density | 0.841 g/cm³ | 0.85 g/cm³ |
| HTHS 150 °C | 4.3 mPa·s | 4.5 mPa·s |
| Sulphated ash | not stated |
All 5W-50 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- ACEA A3/B3 (odpor.), A3/B4 (meets) · API CF; meets SJ–SP, SQ
- Approvals and recommendations
- Porsche A40; meets / recommended: MB 229.3, Fiat 9.55535-M2, Lexus LFA
Similar oils
Oils in the 5W-50 class with the closest parameters and the same specification.
- Lukoil Genesis Racing 5W-50ACEA A3/B3, A3/B4 · API SN/CF
- Mobil 1 Peak Life 5W-50ACEA A3/B3, A3/B4 · API SN, SM, SL (meets); CF
- Rowe HIGHTEC MULTI FORMULA SAE 5W-50ACEA C3 · API SN/CF
- Motul 8100 Power 5W-50API SP
- Motul Sport 5W-50API SM/CF
- Amsoil Signature Series 5W-50