The third-generation 308 was unveiled. The vehicle is based on the third-generation of the EMP2 platform which made its wheelbase grow by 55 mm (2.2 in) and is shared with the second incarnation of DS 4 as well as the sixth generation Opel Astra. Peugeot has also reduced its height by 20 mm (0.8 in) to create a sleeker silhouette and to achieve a lower drag coefficient of 0.28. It is also the first vehicle to bear the new Peugeot logo. It went to production and went on sale on the same day.

All variants of the third-generation 308 is equipped with LED headlights complemented by vertical LED daytime running lights. These headlights feature the Peugeot Matrix LED Technology on GT and GT Premium variants. It is also equipped with the Drive Assist pack that adds adaptive cruise control with Stop and Go function, lane keeping assistance, semi-automatic lane change, speed recommendation, and curve speed adaptation. Other features offered as standard or optional include long-range blind-spot monitoring, 360-degree surround-view parking assistance with four cameras, heated for the windshield and steering wheel, and an E-call, call function.

It is also offered as a plug-in hybrid producing 180 PS (178 hp; 132 kW). The 225 PS (222 hp; 165 kW) version will also be available on the GT version.

The station wagon version was released . A crossover derivative was unveiled as the 408.

A battery electric version called the e-308 . It is equipped by a new generation 54 kWh battery pack, with a chemical composition of 80 percent nickel, 10 percent manganese and 10 percent cobalt.

The features include a new bonnet and front bumper design and indicators that scroll, and a newly designed grille that features the famous Peugeot Lion. All models, except Active and GTi, feature the Panoramic roof. New DRLs are matched at the back with the LED Claws lit permanently when the vehicle is running.

The car attracted in right-hand drive markets as the windscreen wiper mechanism was unchanged from the design for left-hand drive vehicles, meaning a large unwiped area was present at the top of the windscreen on the driver’s side, as the driver’s side wiper was shorter, and the passenger wiper “went up” first.

After a couple of months hiatus, the weekly updates on the French market are back on BSCB with an encouraging 14% overall year-on-year gain over the first half. As a reminder these intermediate figures are always to be taken with a grain of salt as heavily biased by manufacturers policies of either front-loading (Volkswagen) or back-loading (Renault) a month of sales, as well as promotions. needs to be added manufacturers that have particularly pushed sales at . and find themselves in a limping mode at the start of the year. In this context, Peugeot leads the manufacturers ranking with sales up 18% year-on-year above Citroen (-11%) while Volkswagen (+34%).