Compare images of 2018 Audi A4 and 2018 BMW 3 Series Sedan Diesel by choosing the desired model and trim and then selecting the comparison image.
Two Sedans with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the powertrain, starting price, horsepower, and fuel economy. First of all, the 2018 Audi A4 has a more powerful engine and gets 6 mpg less than the 2018 BMW 3 Series Sedan Diesel. Also, there is a $5,750 difference in the base MSRP. The 2018 3 Series Sedan Diesel has a higher starting price than the 2018 A4. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.