Compare images of 2018 BMW M3 and 2021 BMW M3 by choosing the desired model and trim and then selecting the comparison image.
2021 BMW M3 is the newer version with some differences, such as the model year, horsepower, and fuel economy.. First of all, there is a difference in model years. The is 3 years newer. And finally, the 2021 M3 has bigger and thirstier engine; the 2018 M3 gets 1 more mpg. Among similarities are the body structure, market segment, starting price, ground shadow size, height, and maximum occupancy.