Both the Q4 e-tron Sportback and the Cayenne Coupe have standard driver and passenger frontal airbags, front and rear side-impact airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, 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 and available around view monitors.
Compare the2025 Audi Q4 e-tron SportbackVS 2025 Porsche Cayenne Coupe


Safety
Warranty
There are over 51 percent more Audi dealers than there are Porsche dealers, which makes it much easier should you ever need service under the Q4 e-tron Sportback’s warranty.
Engine
The Q4 e-tron Sportback’s electric motors produces 133 lbs.-ft. more torque (501 vs. 368) than the Cayenne Coupe’s standard 3.0 turbo V6. The Q4 e-tron Sportback’s electric motors produces 22 lbs.-ft. more torque (501 vs. 479) than the Cayenne E-Hybrid Coupe’s standard 3.0 turbo V6 hybrid. The Q4 e-tron Sportback’s electric motors produces 59 lbs.-ft. more torque (501 vs. 442) than the Cayenne S Coupe’s standard 4.0 turbo V8.
Fuel Economy and Range
On the EPA test cycle the Q4 e-tron Sportback gets better mileage than the Cayenne Coupe running its gasoline engine:
|
|
|
MPGe |
Q4 e-tron Sportback |
|||
|
AWD |
Q4 55 e-tron Sportback Electric Motors |
107 city/92 hwy |
Cayenne Coupe |
|||
|
|
|
MPG |
|
AWD |
3.0 turbo V6 |
17 city/23 hwy |
|
|
4.0 turbo V8 |
15 city/21 hwy |
The Q4 55 e-tron Sportback can travel with zero emissions for 258 miles. The Cayenne Coupe can’t move without running its internal combustion engine.
Tires and Wheels
The Q4 e-tron Sportback’s standard 235/50R20 front tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Cayenne Coupe’s standard 55 series front tires.
Suspension and Handling
The Q4 e-tron Sportback’s front to rear weight distribution is more even (49% to 51%) than the Cayenne Coupe’s (56.8% to 43.2%). This gives the Q4 e-tron Sportback more stable handling and braking.
For better maneuverability, the Q4 e-tron Sportback’s turning circle is .3 feet tighter than the Cayenne Turbo GT’s (37.7 feet vs. 38 feet). The Q4 e-tron Sportback’s turning circle is 2 feet tighter than the Cayenne Coupe’s (37.7 feet vs. 39.7 feet).
Chassis
The Q4 e-tron Sportback is 1 foot, 1.4 inches shorter than the Cayenne Turbo GT, making the Q4 e-tron Sportback easier to handle, maneuver and park in tight spaces.
The design of the Audi Q4 e-tron Sportback amounts to more than styling. The Q4 e-tron Sportback has an aerodynamic coefficient of drag of .29 Cd. 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 Sportback get better fuel mileage.
Passenger Space
The Q4 e-tron Sportback has .3 inches more front headroom and .1 inches more front legroom than the Cayenne Coupe.
Cargo Capacity
The Q4 e-tron Sportback has a much larger cargo volume with its rear seat up than the Cayenne Coupe with its rear seat up (26.1 vs. 20.9 cubic feet). The Q4 e-tron Sportback has a much larger cargo volume with its rear seat folded than the Cayenne Coupe with its rear seat folded (54.4 vs. 53 cubic feet).
Ergonomics
The Q4 e-tron Sportback has a standard 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 Coupe doesn’t offer a remote starting system.
If the windows are left open on the Q4 e-tron Sportback 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. The driver of the Cayenne Coupe can only operate the windows from inside the vehicle, with the ignition on.
To improve rear visibility by keeping the rear window clear, the Q4 e-tron Sportback 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 Sportback has standard extendable sun visors. The Cayenne Coupe doesn’t offer extendable visors.
Recommendations
Consumer Reports® recommends both the Audi Q4 e-tron Sportback and the Porsche Cayenne Coupe, based on reliability, safety and performance.