BMW has won the 2015 International Engine of the Year award for the 1.5-litre petrol-electric hybrid featured in the i8.

The awards are judged by a fully independent, international panel of 65 industry experts, from 31 countries.

BMW’s 1.5-litre three-cylinder electric-gasoline hybrid powertrain emerged as triple winner, also taking home the New Engine award designed to mark the most important engine development in the last 12 months, and the 1.4-litre to 1.8-litre category. BMW also took the honours in the 2.5-litre to 3-litre category for its 3-litre twin-turbo six cylinder found the M3 and M4.

Ford's 1.0 Ecoboost engine (pictured), again took the Sub 1-litre category, bringing the engine’s total number of award wins to eight in just four years.

Mercedes-AMG took the 1.8-litre to 2-litre award with the 2-litre turbo found in the A45, CLA45 and GLA45 models, in a repeat of last year’s results.

PSA Peugeot Citroën won the 1-litre to 1.4-litre category with its new 1.2-litre three-cylinder turbo, its first solo venture engine project win in over ten years. The engine is found in a variety of cars, including the Peugeot 208 and 308, and Citroën C3, DS3, C4 Cactus, C4 and DS4.

Audi’s 2.5-litre five-cylinder turbo, found in the new RS3 and RS Q3, took the 2-litre to 2.5-litre title for a sixth consecutive year.

Ferrari won its fifth Performance Engine and Above 4-litre category awards win with its 4.5-litre V8 in the 458 Italia and 458 Speciale; with McLaren retaining the 3-litre to 4-litre award with its V8 turbo found in the 650S, 625C and 12C.