Engine oil technical data · Motorex
Motorex TOPAZ SAE 5W-40
Motorex TOPAZ SAE 5W-40 is a 5W-40 engine oil (ACEA A3/B4 · API SN). According to the manufacturer's data sheet it has a viscosity of 88 mm²/s at 40 °C, 14.6 mm²/s at 100 °C, a viscosity index of 174, HTHS of 3.5 mPa·s, a TBN of 10.2 mg KOH/g, a pour point of −39 °C and sulphated ash of 1.2 %.
Data sheet ↗ Data verified: 3 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 5W-40 |
|---|---|---|
| Viscosity 40 °C | 88 mm²/s | 86 mm²/s |
| Viscosity 100 °C | 14.6 mm²/s | 14.2 mm²/s |
| Viscosity index | 174 | 172 |
| TBN | 10.2 mg KOH/g | 10.1 mg KOH/g |
| CCS −30 °C | 6252 mPa·s | 6200 mPa·s |
| Pour point | −39 °C | −42 °C |
| Flash point | 220 °C | 230 °C |
| Density | 0.851 g/cm³ | 0.853 g/cm³ |
| HTHS 150 °C | 3.5 mPa·s | 3.9 mPa·s |
| Sulphated ash | 1.2 % | 1.26 % |
All 5W-40 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- ACEA A3/B4 · API SN
- Approvals and recommendations
- MB 229.3; VW 502 00/505 00; Porsche A40; Renault RN0700/RN0710; Fiat 9.55535-M2/N2
Similar oils
Oils in the 5W-40 class with the closest parameters and the same specification.
- Profi Premium 5W-40 BasicACEA A3/B4 · API SN Plus/CF
- YACCO VX 1000LL SAE 5W-40ACEA A3/B4 · API SN/CF
- Q8 Formula Excel 5W-40ACEA A3/B4 · API SN/CF (approval in progress)
- RAVENOL VSI SAE 5W-40ACEA A3/B4 · API SN Plus, SP; CF
- LIQUI MOLY SYNTHOIL HIGH TECH 5W-40ACEA A3/B4 · API SN
- RAVENOL HCS SAE 5W-40ACEA A3/B4 · API SN/CF