Here’s a detailed comparison between the BMW M4 Competition and Porsche Cayenne Coupe. 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 BMW M4 Competition price starts at an ex-showroom price of ₹1.48 crore for the lowest xDrive variant and goes up to ₹1.48 crore for the top-spec xDrive variant. The Porsche Cayenne Coupe on the other hand, starts at ₹1.42 crore for the STD and goes up to ₹2.01 crore for the GTS variant.