2018 BMW 3 Series Sedan Diesel vs. 2020 Cadillac CT5

Two Sedans with some similarities, but otherwise different in most aspects such as the powertrain, horsepower, fuel economy, model year, starting price, and ground shadow size. First of all, there is a notable difference in the starting price of the 2020 Cadillac CT5, which is $4,855 less than the base MSRP of the 2018 BMW 3 Series Sedan Diesel, which is two model years older. Also, the 2020 CT5 has bigger and thirstier engine; the 2018 3 Series Sedan Diesel gets 9 more mpg. In addition, the 3 Series Sedan Diesel is slightly smaller than the CT5. Among similarities are the body structure, market segment, height, and maximum occupancy.