Starting in 2013, Nissan introduced the B17 Sentra with the new
MRA8DE 1.8-liter 16-valve DOHC
inline-four which was offered for better fuel economy than the previous model, ratings are 30 city/39 highway. The engine output returns 130 hp (97 kW) and 128 lb⋅ft (174 N⋅m) of torque. It provides less power than the outgoing Sentra, but due to a new platform, it is 150 lbs lighter in weight.
The MRA8DE is a 1.8 L (1797 cc) engine, it has a twin variable valve timing system on both the intake and exhaust valves and uses a
diamond-like carbon coating. Bore and stroke is 79.7 mm × 90.1 mm (3.14 in × 3.55 in). It produces 130 PS (96 kW; 128 hp) at 6000 rpm and 174 N⋅m (128 lb⋅ft) at 3600 rpm, and has a compression ratio of 9.9:1.