The MR engine by Nissan is a whole family of straight-four car engines, all-aluminum, which have variable valve timing and are co-developed by Nissan and Renault. The MR20DE is the first engine that Nissan developed to replace the QR20DE. As an undersquare engine, it has a bore and stroke of 84mm x 90.1mm.
Initially, it was introduced in the Lafesta and Serena, as well as the Renault Samsung SM5. In 2006, It became a part of Renault’s lineup in the Clio III, where it produced 136 horsepower and is known as the M4R engine.
If you’re looking for an MR20DE engine for sale, chances are you have a 10-15 Nissan NV200, or a 07-12 Nissan Sentra. It produces 138 horsepower at 5100 RPM and 142 pound feet of torque at 4800 RPM. The engine is also available in several applications with Nissan’s Xtronic CVT transmission.
