2019 BMW X4 vs. 2019 Audi Q5

Detailed Review, Specifications & Comparison

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The X4 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 Q5 doesn’t offer a whiplash protection system.

Over 200 people are killed each year when backed over by motor vehicles. The X4 offers optional Active Park Distance Control which use rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Q5 doesn’t offer backup collision prevention brakes.

The X4’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Q5 doesn’t offer a driver alert monitor.

Both the X4 and the Q5 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.


BMW pays for scheduled maintenance on the X4 for 3 years and 36,000 miles. BMW will pay for oil changes, lubrication and any other required maintenance. Audi only pays for the first scheduled maintenance visit on the Q5.

There are over 13 percent more BMW dealers than there are Audi dealers, which makes it easier should you ever need service under the X4’s warranty.


J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that BMW vehicles are better in initial quality than Audi vehicles. J.D. Power ranks BMW 11th in initial quality, above the industry average. With 18 more problems per 100 vehicles, Audi is ranked 25th, below the industry average.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than Audi vehicles. J.D. Power ranks BMW 8th in reliability, above the industry average. With 14 more problems per 100 vehicles, Audi is ranked 13th.


The X4 M40i’s standard 3.0 turbo 6 cyl. produces 107 more horsepower (355 vs. 248) and 92 lbs.-ft. more torque (365 vs. 273) than the Q5’s 2.0 turbo 4 cyl.

As tested in Motor Trend the X4 M40i is faster than the Audi Q5:




Zero to 60 MPH

4.8 sec

5.9 sec

Quarter Mile

13.4 sec

14.5 sec

Speed in 1/4 Mile

103.1 MPH

94.6 MPH

Fuel Economy and Range

On the EPA test cycle the X4 xDrive30i gets better fuel mileage than the Q5 (22 city/29 hwy vs. 22 city/27 hwy).


An eight-speed automatic is standard on the BMW X4, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the Q5.

Brakes and Stopping

For better stopping power the X4 M40i’s brake rotors are larger than those on the Q5:


X4 M40i


Front Rotors

13.7 inches

13.3 inches

The X4 stops much shorter than the Q5:





60 to 0 MPH

109 feet

136 feet

Motor Trend

Tires and Wheels

For better traction, the X4 has larger standard tires than the Q5 (245/50R19 vs. 235/60R18).

The X4’s standard tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Q5’s standard 60 series tires. The X4 M40i’s optional 245/40R21 front and 275/35R21 rear tires have a lower 40 series front and 35 series rear profile than the Q5’s optional 45 series tires.

For better ride, handling and brake cooling the X4 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the Q5. The X4 M40i’s optional 21-inch wheels are larger than the 20-inch wheels optional on the Q5.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the X4 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Q5 doesn’t offer run-flat tires.

Suspension and Handling

The X4 offers an optional driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads or off-road. The Q5’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the X4’s wheelbase is 1.8 inches longer than on the Q5 (112.8 inches vs. 111 inches).

For better handling and stability, the average track (width between the wheels) on the X4 is 1.9 inches wider in the rear than the track on the Q5.

The X4 M40i handles at .89 G’s, while the Q5 Prestige pulls only .79 G’s of cornering force in a Motor Trend skidpad test.

The X4 M40i executes Motor Trend’s “Figure Eight” maneuver 1.6 seconds quicker than the Q5 Prestige (25.6 seconds @ .73 average G’s vs. 27.2 seconds @ .65 average G’s).


The design of the BMW X4 amounts to more than styling. The X4 has an aerodynamic coefficient of drag of .3 Cd. That is lower than the Q5 (.32) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the X4 get better fuel mileage.


To help drivers avoid possible obstacles, the X4 has standard cornering lights to illuminate around corners when the turn signals are activated. The Q5 doesn’t offer cornering lights. The X4 also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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