The fourth-generation Seat Leon (KL) is based on the Volkswagen Group's MQB Evo platform, shared with the Golf 8, Audi A3 (8Y), and Skoda Octavia IV. Positioned as the dynamic and Latin alternative to the Golf, it offers a sharp design and incisive road handling. This generation marks a technological break with the massive introduction of all-digital features (MIB3 system) and hybridization. Diesel Focus: Unlike the previous generation, the small 1.6 TDI was abandoned in favor of the exclusive 2.0 TDI (EA288 evo) unit, available in 115 and 150 hp. This engine incorporates 'Twin Dosing' technology (double AdBlue injection) to drastically reduce NOx. Although the market is moving away from diesel, this engine remains the preferred choice for high-mileage drivers thanks to exceptional fuel ef
The Seat Leon IV is an excellent compact car mechanically and dynamically, particularly with the 2.0 TDI engine, which is a true workhorse designed to cover miles without complaint. However, its launch was marred by an unfinished electronic architecture (MQB Evo). For a diesel purchase: Go for a 2022 model or later, or ensure that a 2020/2021 model has received all software updates at the dealership. Absolutely avoid diesel if you primarily drive in the city, at the risk of ruining the DPF and the complex AdBlue Twin Dosing system.