18. Volkswagen Touareg
The Volkswagen Touareg, a mid-size luxury SUV, depreciates heavily but comes with luxury-level maintenance costs. Its air suspension system, complex electronics, and all-wheel-drive (AWD) system often require frequent and expensive repairs. Additionally, the vehicle’s towing capability and V8 or diesel engine options contribute to higher running costs. For more details, see Edmunds. (yourmechanic.com)