Compare the2025 Mercedes GLC CoupeVS 2024 Audi Q5 Sportback

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Environmental Friendliness
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Chassis
Passenger Space
Cargo Capacity
Towing
Ergonomics
Model Availability
Recommendations

Safety

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In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the GLC Coupe are reminded to check the back seat if they opened the rear door before starting out. The Q5 Sportback doesn’t offer a back seat reminder.

The Mercedes GLC Coupe has a standard driver’s side knee airbag mounted low on the dashboard. The knee airbag helps prevent the driver from sliding under the seatbelts or the main frontal airbag; this keeps the driver better positioned during a collision for maximum protection. A knee airbag also helps keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The Q5 Sportback doesn’t offer knee airbags.

The GLC Coupe has a standard front seat center airbag, which deploys between the driver and front passenger, protecting them from injuries caused by striking each other in serious side impacts. The Q5 Sportback doesn’t offer front seat center airbags.

The GLC Coupe has standard NECK-PRO front head restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the NECK-PRO front head restraints system moves the headrests forward to prevent neck and spine injuries. The Q5 Sportback doesn’t offer a whiplash protection system.

With its available Active Distance Assist Distronic, the Mercedes GLC Coupe is better at preventing collisions with pedestrians than the Audi Q5 Sportback, according to the Insurance Institute for Highway Safety:

	GLC Coupe	Q5 Sportback
Overall Evaluation	GOOD	MARGINAL
	Crossing Child - DAY
12 MPH	AVOIDED	AVOIDED
25 MPH	AVOIDED	-22 MPH
	Crossing Adult - NIGHT
12 MPH Brights	AVOIDED	-8 MPH
12 MPH Low beams	AVOIDED	-1 MPH
25 MPH Brights	AVOIDED	-13 MPH
25 MPH Low beams	AVOIDED	-2 MPH
	Parallel Adult - NIGHT
25 MPH Brights	AVOIDED	-2 MPH
25 MPH Low beams	AVOIDED	No Slowing
37 MPH Brights	AVOIDED	No Slowing
Warning Issued-Brights	2.1 sec	No Warning
37 MPH Low beams	-26 MPH	No Slowing
Warning Issued-Low beams	1 sec	No Warning

The GLC Coupe’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 Sportback doesn’t offer a driver alert monitor.

Both the GLC Coupe and the Q5 Sportback have standard driver and passenger frontal airbags, front 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, blind spot warning systems, rearview cameras, rear cross-path warning and available lane departure warning systems.

Side impacts caused 23% of all road fatalities in 2018, down from 29% in 2003, when the Insurance Institute for Highway Safety introduced its side barrier test. In order to continue improving vehicle safety, the IIHS has started using a more severe side impact test: 37 MPH (up from 31 MPH), with a 4180-pound barrier (up from 3300 pounds). The results of this newly developed test demonstrates that the Mercedes GLC Coupe is safer than the Q5 Sportback:

	GLC Coupe	Q5 Sportback
Overall Evaluation	GOOD	ACCEPTABLE
Structure	GOOD	GOOD
	Driver Injury Measures
Head/Neck	GOOD	GOOD
Neck Tension	156 lbs.	245 lbs.
Neck Compression	22 lbs.	89 lbs.
Torso	GOOD	GOOD
Shoulder Deflection	.55 in	.71 in
Torso Max Deflection	.94 in	.98 in
Pelvis	GOOD	ACCEPTABLE
Pelvis Force	736 lbs.	1116 lbs.
Head Protection	GOOD	GOOD
	Passenger Injury Measures
Head/Neck	GOOD	GOOD
Head Injury Criterion	240	346
Neck Tension	112 lbs.	223 lbs.
Torso	GOOD	ACCEPTABLE
Shoulder Deflection	1.38 in	1.73 in
Shoulder Force	67 lbs.	402 lbs.
Torso Max Deflection	.98 in	1.54 in
Torso Deflection Rate	7 MPH	11 MPH
Pelvis	GOOD	MARGINAL
Pelvis Force	558 lbs.	1249 lbs.
Head Protection	GOOD	GOOD

The Mercedes GLC Coupe 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 Q5 Sportback last would have qualified as a “Top Safety Pick” in 2023.

Warranty

There are over 25 percent more Mercedes dealers than there are Audi dealers, which makes it easier should you ever need service under the GLC Coupe’s warranty.

Reliability

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than Audi vehicles. With 36 fewer problems per 100 vehicles, JD Power ranks Mercedes higher than Audi.

J.D. Power and Associates’ 2024 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mercedes vehicles are more reliable than Audi With 57 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks Mercedes higher than Audi.

Engine

The GLC Coupe’s 2.0 turbo 4-cylinder hybrid produces 22 lbs.-ft. more torque (295 vs. 273) than the Q5 Sportback’s 2.0 turbo 4-cylinder hybrid.

Fuel Economy and Range

On the EPA test cycle the GLC 300 Coupe gets better fuel mileage than the Q5 Sportback (23 city/31 hwy vs. 22 city/28 hwy).

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes GLC Coupe higher (6 out of 10) than the Audi Q5 Sportback (5). This means the GLC Coupe produces up to 6.9 pounds less smog-producing pollutants than the Q5 Sportback every 15,000 miles.

Transmission

A nine-speed automatic is standard on the Mercedes GLC Coupe, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the Q5 Sportback.

Brakes and Stopping

For better stopping power the GLC Coupe’s front brake rotors are larger than those on the Q5 Sportback:

	GLC Coupe	Q5 Sportback
Front Rotors	13.5 inches	13.3 inches

Tires and Wheels

The GLC Coupe’s optional 285/35R21 rear tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the Q5 Sportback Premium Plus/Prestige’s optional 40 series tires.

Suspension and Handling

The GLC Coupe’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Q5 Sportback doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the GLC Coupe’s wheelbase is 2.7 inches longer than on the Q5 Sportback (113.7 inches vs. 111 inches).

For better handling and stability, the track (width between the wheels) on the GLC Coupe is .3 inches wider in the front and 1.4 inches wider in the rear than on the Q5 Sportback.

Chassis

The design of the Mercedes GLC Coupe amounts to more than styling. The GLC Coupe has an aerodynamic coefficient of drag of .27 Cd. That is significantly lower than the Q5 Sportback (.34) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the GLC Coupe get better fuel mileage.

Passenger Space

The GLC Coupe has .8 inches more front headroom and .6 inches more rear headroom than the Q5 Sportback.

Cargo Capacity

The GLC Coupe has a larger cargo volume with its rear seat folded than the Q5 Sportback with its rear seat folded (52.6 vs. 51.9 cubic feet).

Towing

Optional Trailer Stability Assist on the GLC Coupe uses the Electronic Stability Program sensors to detect trailer sway, then uses individual brakes to counteract any swaying and help keep the tow vehicle and trailer steady. The Q5 Sportback doesn’t offer electronic trailer sway control.

Ergonomics

Unlike the driver-only memory system optional at extra cost in the Q5 Sportback, the GLC Coupe has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The GLC Coupe’s standard easy entry and exit feature raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. An easy entry system costs extra on the Q5 Sportback.

The GLC Coupe’s standard Keyless-Go allow you to unlock the doors from any outside door handle, open the cargo door, and start the engine, all without removing the key from the pocket or purse. Keyless Start standard on the Q5 Sportback only offers hands-free access for the ignition, none to unlock the vehicle.

Heated windshield washer fluid is standard on the GLC Coupe to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The Q5 Sportback doesn’t offer heated windshield washer fluid. Its standard heated washer nozzles will defrost the washer fluid but not the windshield.

The Q5 Sportback’s cornering lamps activate a lamp on the front corner when the turn signal is activated. The GLC Coupe’s optional adaptive cornering lights turn the actual headlight unit up to several degrees, depending on steering wheel angle and vehicle speed. This lights a significant distance into corners at any speed.

The Mercedes GLC Coupe has power folding mirrors that offer unparalleled convenience while maneuvering in tight places or parked. With the mirrors folded it’s easier to walk past and help prevent parking damage. The mirrors can be quickly unfolded when the driver is ready to leave. Power folding mirrors costs extra on the Q5 Sportback.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes GLC has a standard wireless phone charging system (Qi) in the center console. Only the Q5 Sportback Premium Plus/Prestige offers wireless charging.

The GLC Coupe’s Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Q5 Sportback Prestige’s automatic parking system requires operating the brakes and transmission to safely park.

Model Availability

and e Mercedes GLC comes in four door bodystyles; the Audi Q5 Sportback isn’t available as a .

Recommendations

Motor Trend selected the GLC as their 2017 Sport Utility of the Year. The Q5 Sportback has never been chosen.

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