Compare the2024 Audi Q4 e-tronVS 2024 Porsche Cayenne Coupe

The Q4 e-tron’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Cayenne Coupe doesn’t offer pre-crash pretensioners.

Both the Q4 e-tron and Cayenne Coupe have child safety locks to prevent children from opening the rear doors. The Q4 e-tron has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The Cayenne Coupe’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

Both the Q4 e-tron and the Cayenne Coupe have standard driver and passenger frontal airbags, front and rear side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, 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 and available around view monitors.

The Audi Q4 e-tron achieved a “Top Safety Pick” rating from the Insurance Institute for Highway Safety (IIHS) for the 2024 model year. This recognition was based on its impressive performance in the small overlap frontal crash test, updated side impact crash test, headlight evaluations, and pedestrian crash prevention testing. The Cayenne Coupe has not yet been evaluated by the IIHS for 2024.

There are over 54 percent more Audi dealers than there are Porsche dealers, which makes it much easier should you ever need service under the Q4 e-tron’s warranty.

On the EPA test cycle the Q4 e-tron gets better mileage than the Cayenne Coupe running its gasoline engine:

The Q4 e-tron can travel with zero emissions for 236 to 265 miles (dependent on model). The Cayenne Coupe can’t move without running its internal combustion engine.

For better maneuverability, the Q4 e-tron 40’s turning circle is 4.5 feet tighter than the Cayenne Turbo GT’s (33.5 feet vs. 38 feet). The Q4 e-tron 50’s turning circle is 2.3 feet tighter than the Cayenne Coupe’s (37.7 feet vs. 40 feet).

The Q4 e-tron is 1 foot, 1.3 inches shorter than the Cayenne Coupe, making the Q4 e-tron easier to handle, maneuver and park in tight spaces.

The design of the Audi Q4 e-tron amounts to more than styling. The Q4 e-tron offers aerodynamic coefficients of drag from .28 to .31 Cd (depending on bodystyle and options). That is significantly lower than the Cayenne Coupe (.34 to .35) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the Q4 e-tron get better fuel mileage.

The Q4 e-tron has .3 inches more front headroom and .1 inches more front legroom than the Cayenne Coupe.

The Q4 e-tron has a much larger cargo volume than the Cayenne Coupe with its rear seat up (24.8 vs. 20.9 cubic feet).

To improve rear visibility by keeping the rear window clear, the Q4 e-tron has a standard rear wiper. The Cayenne Coupe doesn’t offer a rear wiper.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Q4 e-tron has standard extendable sun visors. The Cayenne Coupe doesn’t offer extendable visors.

The Q4 e-tron is available in both rear-wheel drive and four-wheel drive configurations. The Cayenne Coupe doesn’t offer a two-wheel drive configuration.

Consumer Reports® recommends both the Audi Q4 e-tron and the Porsche Cayenne Coupe, based on reliability, safety and performance.