The new Touareg V8 TDI is the most powerful Volkswagen on the market Brand Volkswagen Volkswagen Touareg V8 TDI made its official debut at 2019 Geneva Auto Show. What do we find under the hood? It's a 4.0-liter turbo diesel engine that produces no less than 421 horsepower and a torque of 664 pound-feet of... By spare-wheel, 13 March, 2019