Used Peugeot 508 Engine

The engine code is the single most important detail for a used 508 engine — it sits above fuel type, year, or trim level when determining what will fit your car. You can find your engine code on your V5C logbook or by running a VIN check, and you should give this code directly to the breaker when requesting a quote. Matching the code ensures you're getting the correct internal specification, not just a broadly similar engine from the same era.

The Peugeot 508 first generation ran from 2011 to 2018, with a facelift in 2014, so a 2012 and a 2016 car sit either side of that facelift boundary. Within the first generation, engines sharing the same code can be compatible, but ancillary components and mountings sometimes changed around the 2014 facelift, so you should confirm with the breaker against your specific registration before buying. Always lead with your engine code to give the breaker the best chance of finding a confirmed match.

No — the engine itself is determined by the engine code, fuel type, and gearbox type, not by whether your 508 is a saloon or SW estate. A donor engine pulled from an SW will fit a saloon and vice versa, provided the engine codes match. Focus your search on the code rather than the body style.

Trim level does not affect engine fitment on the 508 — the same engine was fitted across Access, Active, Allure, and GT grades wherever the same powertrain was offered. What does vary by trim is cosmetic and electrical equipment, so a donor car from a lower trim may arrive with different ancillaries attached, but the engine block itself will be the same unit if the codes match. Tell the breaker your engine code and they can source from any trim grade with confidence.

The Peugeot 508 second generation launched in 2018 as a significantly re-engineered car, and engines from the first generation (2011–2018) are not a straightforward swap into a second-generation (2018-onwards) car even where fuel type appears the same. Engine codes, mountings, and ancillary configurations differ between the generations. Confirm any cross-generation query directly with the breaker against both registrations before proceeding.

This is worth raising with your fitting garage before you buy: used engines can come with or without ancillary components, and whether the ECU needs to be reprogrammed or swapped to your car's unit depends on how the engine is supplied and your specific vehicle's immobiliser system. We'd recommend confirming the ECU and coding situation with both the breaker and your mechanic before completing the purchase. Getting this sorted upfront avoids delays once the engine is on the bench.