Compare images of 2018 BMW 3 Series Sedan and 2018 BMW 3 Series Sedan Diesel by choosing the desired model and trim and then selecting the comparison image.
These two BMW 3 Series models are two variations of the same model with one major difference, the powertrain. First of all, the 2018 BMW 3 Series Sedan has bigger and thirstier engine; the 2018 BMW 3 Series Sedan Diesel gets 8.4 more mpg. Also, the 2018 3 Series Sedan is priced $6,850 lower compared to the base MSRP of the 2018 3 Series Sedan Diesel. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.