Engine oils meeting the General Motors / Vauxhall / Opel engine oils specifications are listed here, available to buy online from Opie Oils for retail and trade purchase with delivery to your home, workplace or workshop.
This section is meant to help people who are searching for a particular Vauxhall or Opel oil by GM specification reference ... if these numbers mean nothing to you consult your handbook and look foe the correct engine oil specification
Need Engine Oil / Oil & Filter to service your GM group car? Why not use our online product lookup.
If you're unsure if these GM spec's are correct for your vehicle, or have a modified or unique Ford Vehicle why not ask the Opie Experts for a Custom recommendation.
GM - Engine Oil
GM - Engine Oil: Purchase online from Opie Oils
GM dexos II / GM dexos2 ™ is the new oil specification for for all EU GM group vehicles from May 2010 onwards. GM dexos 2 oils are fully backwards compatibile for older vehicles and replaces both the GM-LL-A-025 and...
GM Oil Spec LL-A-025 has now largely been superceded by the GM dexos 2 specification (but fine to use in GM vehicles pre-2011 where your handbook calls for an LL-A-025 specification oil).
GM LL-B-025 has now been superceded by the GM dexos 2 specification but is fine to use in GM group vehicles pre-2011 where your handbook calls for an LL-B-025 specification oil.
Castrol Classic XL 20W-50 is a conventional multigrade engine oil of good all round performance, formulated with high quality mineral oils plus selected additives, ideally suited to older technology and classic car and classic motorcycle engines.
The widely recommended Silkolene Comp 4 10W-40 viscosity range, ensures reliable winter and summer use with easy starting and rapid warm up, while providing vital anti-wear protection during the cold start phase.
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Hundreds of customers contact us on a daily basis to discuss their oil needs and applications prior to purchase. We don’t just sell oils; we know oils and would encourage anyone to contact us to discuss any questions they may have. If you would like an expert recommendation then simply complete our oil recommendation form and one of our resident experts will aim to get your bespoke oil recommendation to you within 24 hours.
Enter basic information about your vehicle and our product lookup will provide you with the correct specification and amount of engine oil together with an OEM Spec & approved oil filter for a full service. Alternatively you can select just the engine oil or a 1 litre top up kit. In the near future this service will be improved so you will be able to source all fluids and essential service parts for your vehicle.
(Useful Technical Information)
Within the automotive industry there is a lot of myths and confusion about certain elements of lubrication, fluids and oil. In order to cover, in detail, some of the most common things that are discussed by Opie Oils Technical Experts we have produced a collection of Technical PDF Downloads, some that Opie have produced and some sourced by experts within the trade that have given consent for us to share.