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If you're searching for used MINI engines for sale, understanding which engine family your vehicle runs is the first step to finding the right replacement. MINI has used several engine families over the years, starting with the Tritec four-cylinder petrol engines From 1999 to 2007, Tritec Motors in Brazil produced the original MINI Cooper engine. Later, MINI adopted the Prince engine family. This was a BMW–PSA joint development featuring all-aluminium 4-cylinder turbo units. As a result, performance and efficiency improved significantly.
Today's MINIs run TwinPower Turbo engines. Specifically, these include a 3-cylinder 1.5L and a 4-cylinder 2.0L petrol unit. Furthermore, the top John Cooper Works variant produces up to 231 hp. The 2024 MINI Cooper engine in the Cooper C is a 1.5L 3-cylinder turbo rated at about 156 PS. In contrast, the Cooper S steps up to a 2.0L 4-cylinder turbo producing 204 PS. Additionally, certain models like the Countryman Cooper S E pair a petrol engine with an electric motor. This delivers a combined 221 hp plug-in hybrid output.
MINI Cooper engines for sale are known for their reliability and cross-brand compatibility. Notably, MINI borrows engines from other manufacturers, and its engines appear in other vehicles too. The Prince engine family covers 1.4L and 1.6L inline-4 petrol units. It came from a joint venture between PSA Peugeot Citroën and BMW. As a result, it powered MINI Cooper, MINI Cooper S, Peugeot, and Citroën models alike. Moreover, the MINI-specific versions carry BMW engine codes. For example, N12B16A covers the standard 1.6L Cooper. Meanwhile, N14B16A and N14B16C handle the turbocharged Cooper S and JCW variants. Finally, N16B16A, N18B16A, and N18B16C appear in the later R56 generation.
The GA6F21WA is a 6-speed automatic gearbox from Aisin AW. MINI used it in the Clubman, ONE, and Countryman across various model years and engine sizes. In addition, older MINI models used gearbox codes such as GS552BG, GS653BG, GS655BG, GS658BG, and GS659DG. Each code matches specific production years and MINI Cooper engine combinations.
In the early years, roughly 2002–2005, MINI equipped some Cooper, Cooper S, and ONE models with electronically controlled CVT gearboxes such as the GACVT16Z. These units differed significantly from the 6-speed automatics introduced later. Furthermore, MINI also used GETRAG transmission systems in several models. BMW fitted many of the same GETRAG gearboxes in the 1 Series and 3 Series. This overlap confirms that MINI and BMW shared both manual and automatic transmission platforms during different production periods. For more options, browse our used MINI transmissions.
Moon Auto Parts is a trusted US-based supplier of quality-inspected MINI engines and transmissions for all models and years. We ship free to commercial addresses nationwide. Moreover, every order is backed by a 4-year / 40,000-mile warranty. Find your exact engine by year and model, or call our specialists directly. We handle VIN fitment verification from start to finish.
