In comparing the 2021 Audi R8's and the 2021 Porsche 911's specifications and ratings, the 2021 Audi R8 has the advantage in the area of base engine power. The 2021 Porsche 911 has the advantage in the areas of typical lower range of pricing for used cars, and fuel efficiency, reliability, resale value and overall quality score. Based on this comparison of the 2021 Audi R8's and the 2021 Porsche 911's specifications and ratings, the 2021 Porsche 911 is a better car than the 2021 Audi R8.
2021 Audi R8 vs. 2021 Porsche 911 Pricing
A used 2021 Audi R8 ranges from $142,488 to $218,458 while a used 2021 Porsche 911 is priced between $123,742 to $260,045.
2021 Audi R8 vs. 2021 Porsche 911 Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the 2021 Audi R8 loses 47.9 percent of its value and the 2021 Porsche 911 loses 26.7 percent of its value. This means the 2021 Porsche 911 retains 21.2 percentage points more of its value and has the advantage of higher resale value versus the 2021 Audi R8.
2021 Audi R8 vs. 2021 Porsche 911 Quality Rating
The iSeeCars Overall Quality rating for the Audi R8 is 7.2 out of 10 while the Porsche 911's quality rating is 8.2 out of 10. This results in the Audi R8 being ranked 13 out of 26 Best Luxury Convertibles and the Porsche 911 being ranked 1 out of 26. Out of 40 Best Luxury Sports Cars, the Audi R8 is ranked 21 and the Porsche 911 is ranked 2.
2021 Audi R8 vs. 2021 Porsche 911 Reliability Rating
iSeeCars’ Reliability Rating for the Audi R8 is 7.5 out of 10. For the Porsche 911 the reliability rating is 7.9 out of 10. This gives the Porsche 911 a slight advantage in reliability compared to the Audi R8.
Engine Power and Fuel Efficiency Comparison
For engine performance, the 2021 Audi R8’s base engine makes 532 horsepower, and the 2021 Porsche 911 base engine makes 379 horsepower. The R8 is rated to deliver an average of 17 miles per gallon, with a highway range of 504 miles. The 911 is rated to deliver an average of 20 miles per gallon, with a highway range of 406 miles.This gives the 2021 Porsche 911 the advantage in fuel efficiency and the 2021 Audi R8 the advantage in maximum range. Both models use premium unleaded.