Used BMW i8 Buying Guide: The $160,000 Plug-In Hybrid Depreciates to $40,000

Originally launched with a supercar silhouette and a six-figure price tag, BMW's futuristic plug-in hybrid sports car is now trading for roughly $40,000 on the secondhand market. While the i8 delivers head-turning styling and electrified performance at a fraction of its original cost, prospective buyers must carefully weigh aging battery packs and specialized maintenance expenses. Here is what to consider before taking the plunge on a bargain-priced German PHEV.