2021 Cadillac CT4 vs. 2018 Lexus IS 300

Two Sedans with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the model year, starting price, horsepower, and fuel economy. First of all, there is a $4,815 difference in the base MSRP. The 2018 Lexus IS 300, an older vehicle by three model years, has a higher starting price than the 2021 Cadillac CT4. And finally, a bigger engine usually means less mpg. But the 2021 CT4 has a more powerful engine and it gets 2 more mpg than the 2018 IS 300. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.