Porsche Cayenne vs BMW M4 Competition Comparison 2026: Price, Mileage, Features

Comparison overview: The Porsche Cayenne starts at ₹1.39 Cr and the BMW M4 Competition at ₹1.52 Cr, a difference of ₹13.00 L ex-showroom. On-road in New Delhi that gap becomes roughly ₹14.43 L. Here is what the extra money actually buys.

Engine and performance: The Porsche Cayenne uses a 2,894cc Petrol making 348.66bhp and listed torque with Automatic. The BMW M4 Competition uses a 2,993cc Petrol making 503bhp@6250rpm and listed torque with Automatic.

Mileage and running cost: The Porsche Cayenne Petrol Automatic is rated at 10.7 kmpl and the BMW M4 Competition Petrol Automatic at 9.7 kmpl. At 1,000 km a month, the Porsche Cayenne saves you about ₹1.01 K a month and ₹12.14 K a year on fuel.

What one gives that the other does not: The Porsche Cayenne adds Anti-Theft Alarm, ISOFIX Child Seat Mounts, Adjustable Headlamps, Tinted Glass and Rear Spoiler. The BMW M4 Competition adds Brake Assist, Curtain Airbag, Electronic Brakeforce Distribution (EBD), Traction Control and Electronic Stability Control (ESC). The rest of both spec sheets is shared.

Which one should you buy?

Buy the Porsche Cayenne if you drive mostly in the city, you want the lower running cost, and you would rather keep the ₹13.00 L for your down payment than spend it on features.

Buy the BMW M4 Competition if you do regular highway runs, you carry luggage or a pram often, and you want Anti-lock Braking System (ABS) without waiting for the next facelift.

The one thing that settles it: Porsche Cayenne offers Anti-Theft Alarm.

Before you sign anything:

Ex-showroom price is not what you pay. Add registration, road tax, insurance and handling, and expect the final figure to land ten to twelve percent higher. Road tax changes state to state, so a car that costs the same in two cities does not cost the same to own.

Ask the dealer four things before you book. What is the current waiting period for the variant you want. What is the on-road figure.

Then drive both cars back to back on the same day, on a road you actually use. Take your family. Put your usual luggage in the boot. Most people decide in the first ten minutes, and it is rarely for the reason they expected.