When comparing the BMW 7 Series's and the Mercedes-Benz S-Class's specifications and ratings, The Mercedes-Benz S-Class has the advantage in the areas of reliability, resale value, overall quality score and base engine power. Based on this comparison of the BMW 7 Series's and the Mercedes-Benz S-Class's specifications and ratings, the Mercedes-Benz S-Class is a better car than the BMW 7 Series.
BMW 7 Series vs. Mercedes-Benz S-Class Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the BMW 7 Series loses 68 percent of its value and the Mercedes-Benz S-Class loses 61.2 percent of its value. This means the Mercedes-Benz S-Class retains 6.8 percentage points more of its value and has the advantage of higher resale value versus the BMW 7 Series.
BMW 7 Series vs. Mercedes-Benz S-Class Quality Rating
The iSeeCars Overall Quality rating for the BMW 7 Series is 7.0 out of 10 while the Mercedes-Benz S-Class' quality rating is 7.2 out of 10. This results in the BMW 7 Series being ranked 5 out of 6 Best Hybrid Luxury Large Cars and the Mercedes-Benz S-Class being ranked 3 out of 6. Out of 21 Best Luxury Plug-in Hybrid Cars (PHEV), the BMW 7 Series is ranked 10 and the Mercedes-Benz S-Class is ranked 7. The BMW 7 Series is also ranked 15 out of 27 Best Luxury Hybrid Cars while the Mercedes-Benz S-Class is ranked 11 out of 27.
BMW 7 Series vs. Mercedes-Benz S-Class Reliability Rating
iSeeCars’ Reliability Rating for the BMW 7 Series is 7.5 out of 10. For the Mercedes-Benz S-Class the reliability rating is 7.8 out of 10. This gives the Mercedes-Benz S-Class a slight advantage in reliability compared to the BMW 7 Series.
Engine Power and Fuel Efficiency Comparison
For engine performance, the BMW 7 Series’s base engine makes 483 horsepower, and the Mercedes-Benz S-Class base engine makes 510 horsepower.