Compare images of 2018 Audi S4 and 2021 Audi S4 by choosing the desired model and trim and then selecting the comparison image.
2021 Audi S4 is the newer version with some differences, such as the model year and horsepower.. First of all, the is 3 model years newer than the . And finally, the 2021 S4 produces fewer horsepower than the 2018 S4. Among similarities are the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy.