When comparing the BMW i8's and the Mercedes-Benz AMG GT's specifications and ratings, the BMW i8 has the advantage in the area of fuel efficiency. The Mercedes-Benz AMG GT has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, resale value and base engine power. Based on this comparison of the BMW i8's and the Mercedes-Benz AMG GT's specifications and ratings, the Mercedes-Benz AMG GT is a better car than the BMW i8.
BMW i8 vs. Mercedes-Benz AMG GT Pricing
A used 2020 BMW i8 ranges from $72,769 to $107,825 while a used 2020 Mercedes-Benz AMG GT is priced between $68,270 to $129,147.
BMW i8 vs. Mercedes-Benz AMG GT Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the BMW i8 loses 50.8 percent of its value and the Mercedes-Benz AMG GT loses 44.4 percent of its value. This means the Mercedes-Benz AMG GT retains 6.4 percentage points more of its value and has the advantage of higher resale value versus the BMW i8.
Engine Power and Fuel Efficiency Comparison
For engine performance, the BMW i8’s base engine makes 369 horsepower, and the Mercedes-Benz AMG GT base engine makes 429 horsepower. The i8 is rated to deliver an average of 27 miles per gallon, with a highway range of 337 miles. The AMG GT is rated to deliver an average of 21 miles per gallon, with a highway range of 506 miles.This gives the BMW i8 the advantage in fuel efficiency and the Mercedes-Benz AMG GT the advantage in maximum range. The i8 uses electricity, premium unleaded, and the AMG GT uses premium unleaded.