While all cars tend to be depreciating assets, luxury vehicles are among the worst offenders when it comes to resale value. Whether due to elevated maintenance costs, a propensity among high-dollar buyers to want something brand-new, or cutting-edge technology that suddenly seems out of date five years later, the most expensive cars on the market paradoxically tend to lose value the quickest. That includes the likes of the BMW X7 (including the pricey Alpina XB7 model) and the Mercedes-Benz GLS, whether you go for the mainstream version, the opulent Maybach, or the sporty AMG.
