Used Peugeot 508 Battery

The 508 is spec-driven rather than model-driven when it comes to batteries — what matters is the physical group size (usually 027 or 096 for most 508 petrol and diesel variants), the cold cranking amps (CCA), and the reserve capacity, not the trim or body style. Always cross-check the spec printed on your existing battery or confirm with the breaker against your registration to make sure you get the right match. Never assume a used battery is correct on case size alone without checking the CCA rating.

The 508 ran as a first generation from 2011 to 2018, with the second generation launching in 2018, and the two cars are significantly different platforms with potentially different battery specifications. Whether a battery from the first generation crosses over to the second is not a straightforward yes — confirm with the breaker against your registration, giving them the exact spec (group size, CCA, and amp-hour rating) you need. Batteries are spec-driven, so a match on those figures matters far more than matching the model year.

Trim level does not affect battery fitment on the 508 — an Active, Allure, GT Line, or GT car from the same generation can all carry the same battery provided the spec matches. You may find cosmetic differences such as engine-bay covers or brackets, but the battery itself is interchangeable across trims where the spec is the same. Confirm the group size and CCA rating with the breaker against your registration rather than relying on trim alone.

The first-generation 508 received a facelift in 2014, and in most cases the battery specification did not change across that facelift boundary — the same group size and CCA rating typically applies to pre- and post-facelift first-gen cars. That said, confirm with the breaker against your registration before buying, as minor changes to battery trays or ancillary electronics can occasionally affect compatibility. Batteries are spec-driven, so matching the physical size and electrical rating is the key check.

If your 508 has stop-start technology it will require an AGM (absorbent glass mat) battery, and fitting a standard lead-acid battery in its place is not recommended as it can damage the charging system. Batteries are spec-driven rather than model-driven, so an AGM unit from another Peugeot of the same group size and CCA rating could be suitable, but you should confirm the exact spec with the breaker against your registration. Mixing AGM and non-AGM types, or mismatching CCA ratings, can cause electrical problems so treat the spec as non-negotiable.

Engine choice can influence battery spec on the 508 because larger or higher-compression diesel engines typically demand a higher CCA rating than smaller petrol units. Unlike alloy wheels where engine type is irrelevant, batteries are closely tied to the electrical and starting demands of the specific engine in your car. Give the breaker your full registration so they can match the correct spec rather than simply searching by model name.