TD5 engine oil selector for Defender and Discovery 2, from 5W-30 standard-service oils through our preferred Ravenol VMO 5W-40 for normal, remapped and hard-working road engines to Ravenol RUP 5W-40 for highly tuned 250–300+ bhp VNT builds.

Start with the engine’s power level and use rather than viscosity alone. A full TD5 oil and filter service also requires more than a single 5L bottle, so check the complete quantity needed or use a TD5 service kit supplied with the oil and filters.

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Which TD5 engine oil should I use?

The right TD5 oil depends on whether the engine is standard, normally remapped, regularly worked hard or producing substantially more power through a larger or VNT turbocharger. Oils carrying the same nominal viscosity can be intended for very different levels of heat, boost and engine load.

TD5 use Best place to start Check before ordering
Standard TD5 using a 5W-30 service oil Ravenol FO 5W-30 or Rock Oil Synthesis F 5W-30 Both are ACEA A5/B5 standard-service oils. Check the individual formulation, specifications and quantity required.
Standard, remapped, towing or hard-working road TD5 Ravenol VMO 5W-40 – 5L Our preferred all-round TD5 oil, with formal VW 505.01 approval and stronger high-load positioning than a normal 5W-30 service oil.
Topping up an engine already using VMO Ravenol VMO 5W-40 – 1L The 1L bottle is intended for top-ups. It is not enough for a complete TD5 oil change.
Highly tuned 250–300+ bhp TD5 with a VNT or larger turbo Ravenol RUP 5W-40 Racing Oil Race-developed protection for engine and turbocharger under sustained boost, high oil temperatures and extreme load.
Complete oil and filter service TD5 service kits Check the oil quantity, filter brands, centrifugal rotor filter and sump-plug washer included in the individual kit.

Standard, remapped or highly tuned?

Ravenol VMO 5W-40 is our preferred oil for the majority of Defender and Discovery 2 TD5 engines. It covers standard vehicles, normal remaps, towing, off-road use and hard-working road vehicles without moving into a dedicated motorsport formulation.

Highly tuned TD5 engines require a different approach. At 250–300 bhp and beyond, particularly with a VNT turbocharger, the oil is protecting an engine and turbo operating far beyond the original TD5 output and duty. A standard road oil cannot reasonably be expected to retain the same protection margin under sustained high boost, extreme heat and substantially increased mechanical load.

Ravenol RUP 5W-40 is the step above VMO for these engines. It combines genuine racing-oil protection with recognised manufacturer approvals for normal road use, making it suitable for highly tuned TD5 vehicles that still cover ordinary road mileage between competition or hard-use sessions.

Standard TD5
Ravenol FO or Rock Oil Synthesis F provide 5W-30 ACEA A5/B5 choices for normal service use.
Remapped or hard-working TD5
Ravenol VMO 5W-40 is our preferred oil for road tuning, towing, off-road work and sustained everyday load.
High-output VNT build
Ravenol RUP 5W-40 is our preferred oil for highly tuned 250–300+ bhp TD5 engines and VNT turbo conversions.
Oil quantity
You will need a minimum of 7.2 litres for a full oil change.

TD5 oil specifications and engine use

Viscosity alone does not identify the best oil for a TD5. A 5W-30 ACEA A5/B5 oil can be entirely appropriate for a standard engine, while VW 505.01 gives VMO a particularly relevant link to the lubrication demands of unit-injector diesel engines. RUP carries VW 505.01 as a manufacturer recommendation while adding the shear stability, low volatility and high-temperature protection required for racing and extreme-load use.

Use the product pages to check the complete ACEA and API specifications, formal approvals, manufacturer recommendations and technical data before ordering. Engine-builder advice should take priority on bespoke competition engines with altered clearances, oil temperatures, fuel dilution or service intervals.

Related TD5 oil and servicing sections

Section Use it for
VW 505.01 engine oil Specification-led comparison of VMO and RUP, including the distinction between formal approval and manufacturer recommendation.
Land Rover engine oil Other viscosity grades and engine oils for TDI, TDCI, petrol and TD5 engines.
TD5 service kits Complete servicing combinations with oil, filters and related service parts.
TD5 servicing guide Oil-change intervals, filter information, service quantities and TD5 servicing guidance.
TD5 turbos and turbo parts Turbochargers, oil feed and drain components and supporting parts for standard and tuned TD5 engines.