In comparing the Audi S5's and the BMW M4's specifications and ratings, the Audi S5 has the advantage in the areas of new vehicle base pricing, fuel efficiency, reliability and overall quality score. The BMW M4 has the advantage in the areas of resale value, interior volume and base engine power. Based on this comparison of the Audi S5's and the BMW M4's specifications and ratings, the Audi S5 is a better car than the BMW M4.
Audi S5 vs. BMW M4 Pricing
For a new model, the Audi S5's price is between $69,626 and $80,024, with the BMW M4 priced between $97,135 and $108,544.
Audi S5 vs. BMW M4 Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the Audi S5 loses 45.4 percent of its value and the BMW M4 loses 43.7 percent of its value. This means the BMW M4 retains 1.7 percentage points more of its value and has the advantage of higher resale value versus the Audi S5.
Audi S5 vs. BMW M4 Quality Rating
The iSeeCars Overall Quality rating for the Audi S5 is 7.7 out of 10 while the BMW M4's quality rating is 6.9 out of 10. This results in the Audi S5 being ranked 6 out of 26 Best Luxury Convertibles and the BMW M4 being ranked 18 out of 26. Out of 40 Best Luxury Sports Cars, the Audi S5 is ranked 10 and the BMW M4 is ranked 25.
Audi S5 vs. BMW M4 Reliability Rating
iSeeCars’ Reliability Rating for the Audi S5 is 8.5 out of 10. For the BMW M4 the reliability rating is 7.2 out of 10. This gives the Audi S5 an advantage in reliability compared to the BMW M4.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Audi S5’s base engine makes 349 horsepower, and the BMW M4 base engine makes 503 horsepower. The S5 is rated to deliver an average of 22 miles per gallon, with a highway range of 413 miles. The M4 is rated to deliver an average of 18 miles per gallon, with a highway range of 359 miles. This gives the Audi S5 the fuel efficiency and maximum range advantage over the BMW M4. Both models use premium unleaded.
Passenger Space Comparison
While both models are sports cars, the BMW M4 has the advantage of offering more interior volume, reflected in more front head room and front leg room. The Audi S5 has the advantage in the areas of front shoulder room, rear head room, rear shoulder room, rear leg room, and cargo space.