Compare the2025 BMW X4 MVS 2025 Porsche Cayenne

The X4 M has standard Active Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Head Restraints system moves the headrests forward to prevent neck and spine injuries. The Cayenne doesn’t offer a whiplash protection system.

Both the X4 M and the Cayenne have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors and available around view monitors.

BMW pays for scheduled maintenance on the X4 M for 2 years and 26000 miles longer than Porsche pays for maintenance for the Cayenne (3/36,000 vs. 1/10,000).

There are over 73 percent more BMW dealers than there are Porsche dealers, which makes it much easier should you ever need service under the X4 M’s warranty.

As tested in Car and Driver the X4 M Competition is faster than the Porsche Cayenne turbo V6:

For better stopping power the X4 M’s standard brake rotors are larger than those on the Cayenne:

The X4 M stops shorter than the Cayenne:

The X4 M’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Cayenne’s standard 55 series front tires.

The X4 M is 6.6 inches shorter than the Cayenne, making the X4 M easier to handle, maneuver and park in tight spaces.

Pulling a handle automatically lowers the X4 M’s rear seats, to make changing between passengers and cargo easier. The Cayenne doesn’t offer automatic folding seats.

The X4 M offers a remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Cayenne doesn’t offer a remote starting system.

If the windows are left open on the X4 M the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote or with the driver’s door power window switch. The driver of the Cayenne can only operate the windows from inside the vehicle, with the ignition on.