The International Engine of the Year[1] was an annual competition for automotive industry internal combustion engines and electric motors, judged by a panel of automobile journalists from around the world. It is organised by UKi Media & Events' Automotive Magazines.[2] The competition was started in 1999. The last competition was held in 2019. The 2020 competition was initially delayed due to COVID-19 and was never scheduled.
The award is determined by the panellists using "subjective driving impressions and technical knowledge, and took into account characteristics such as fuel economy, noise, smoothness, performance and driveability".[3]