Here’s a detailed comparison between the Porsche Cayenne Coupe and BMW M4 Competition. If you're looking to compare cars based on features, engine specifications and dimensions to price and mileage, this guide will help you make an informed decision between the two new cars. The Porsche Cayenne Coupe price starts at an ex-showroom price of ₹1.42 crore for the lowest STD variant and goes up to ₹2.01 crore for the top-spec GTS variant. The BMW M4 Competition on the other hand, starts at ₹1.48 crore for the xDrive and goes up to ₹1.48 crore for the xDrive variant.