
Penrite Classic Mini 20w-50. 5 Ltr
Penrite Classic Mini 20W-50 Engine Oil
Purpose-built protection for the iconic Mini drivetrain
Penrite Classic Mini is a premium mineral 20W-50 engine oil, specifically developed in collaboration with Mini clubs and owners in the UK and Australia. Designed for classic Mini models (Austin, BMC & Leyland), this oil delivers the ideal balance of engine protection, gearbox performance, and differential durability.
Unlike conventional oils, it’s engineered for the Mini’s unique combined engine and gearbox lubrication system, ensuring smooth operation across all components.
Key Benefits
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Designed Specifically for Classic Minis
Tailored for the unique shared oil system found in classic Mini engines, gearboxes, and differentials. -
Smooth, Precise Gear Changes
Improves shift quality compared to standard engine oils—ideal for both road and rally use. -
High Zinc (ZDDP) Protection
Contains 1390 ppm zinc, providing excellent wear protection for camshafts and internal components. -
Gearbox & Differential Safe (GL-4 Rated)
Ensures the oil maintains stability and performance without breaking down under gearbox loads. -
All-in-One Lubrication Solution
Eliminates the compromise between engine protection and gearbox performance. -
Lay-Up Protection
Includes corrosion inhibitors and tackiness additives to protect during storage periods.
Applications
- All classic Mini models (Austin, BMC, Leyland)
- Vehicles with combined engine/gearbox oil systems
- Road, fast road, and rally-prepared Minis
- Classic cars requiring 20W-50 with GL-4 compatibility
Technical Specifications
| Property | Value |
|---|---|
| SAE Viscosity | 20W-50 |
| Viscosity Index | 131 |
| Performance Level | API SJ / CE |
| Additional Specs | CCMC G2, API GL-4, MB 227.1, MIL-L-2104D |
| Zinc (ZDDP) | 1390 ppm |
| Base Oil Group | Group II |
| Detergent/Dispersant | Moderate |
| Additional Features | Corrosion protection & tackiness additive |
Why Choose Penrite Classic Mini?
The classic Mini’s engine design demands an oil that can do more than just lubricate—it must also protect gears and withstand extreme shear forces. Penrite Classic Mini is engineered to handle all three roles seamlessly, delivering better gear engagement, stronger wear protection, and long-lasting performance.
Recommended For Your Next Rally

Penrite Classic Mini 20w-50. 5 Ltr
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