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Compare the2024 Mercedes GLC CoupeVS 2024 Audi Q3

2024 Mercedes GLC Coupe
2024 Audi Q3

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 Q3 doesn’t offer a back seat reminder.

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 Q3 doesn’t offer a whiplash protection system.

Over 200 people are killed each year when backed over by motor vehicles. The GLC Coupe has a standard Maneuvering Brake Function that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The Q3 doesn’t offer automatic braking for stationary objects directly to the rear.

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 Q3 doesn’t offer a driver alert monitor.

Both the GLC Coupe and the Q3 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee 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, daytime running lights, blind spot warning systems, rearview cameras, rear cross-path warning and available lane departure warning systems.

Warranty

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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

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To reliably power the ignition and other systems and to recharge the battery, the GLC Coupe has a standard 150-amp alternator. The Q3’s 140-amp alternator isn’t as powerful.

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

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The GLC Coupe’s 2.0 turbo 4-cylinder hybrid produces 71 more horsepower (255 vs. 184) and 74 lbs.-ft. more torque (295 vs. 221) than the Q3 40 TFSI’s standard 2.0 turbo 4-cylinder. The GLC Coupe’s 2.0 turbo 4-cylinder hybrid produces 27 more horsepower (255 vs. 228) and 44 lbs.-ft. more torque (295 vs. 251) than the Q3 45 TFSI’s standard 2.0 turbo 4-cylinder.

Fuel Economy and Range

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On the EPA test cycle the GLC Coupe gets better mileage than the Q3:

MPG

GLC Coupe

AWD

2.0 turbo 4-cyl. Hybrid

24 city/30 hwy

Q3

AWD

40 TFSI 2.0 turbo 4-cyl.

22 city/29 hwy

45 TFSI 2.0 turbo 4-cyl.

20 city/28 hwy

Regenerative brakes improve the GLC Coupe’s fuel efficiency by converting inertia back into energy instead of wasting it. The Q3 doesn’t offer a regenerative braking system.

The GLC Coupe has 1.5 gallons more fuel capacity than the Q3 (17.4 vs. 15.9 gallons), for longer range between fill-ups.

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes GLC Coupe higher (7 out of 10) than the Audi Q3 (6 to 7). This means the GLC Coupe produces up to 1.1 pounds less smog-producing pollutants than the Q3 every 15,000 miles.

Transmission

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A nine-speed automatic is standard on the Mercedes GLC Coupe, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Q3.

Brakes and Stopping

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For better stopping power the GLC Coupe’s brake rotors are larger than those on the Q3:

GLC Coupe

GLC Coupe

Q3

Front Rotors

13.5 inches

14.6 inches

13.4 inches

Rear Rotors

12.6 inches

12.6 inches

11.8 inches

Opt Rear Rotors

12.2 inches

Tires and Wheels

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For better ride, handling and brake cooling the GLC Coupe has standard 19-inch wheels. Smaller 18-inch wheels are standard on the Q3.

Suspension and Handling

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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 Q3 doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the GLC Coupe’s wheelbase is 8.2 inches longer than on the Q3 (113.7 inches vs. 105.5 inches).

For better handling and stability, the track (width between the wheels) on the GLC Coupe is 1.7 inches wider in the front and 2.8 inches wider in the rear than on the Q3.

Chassis

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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 Q3 (.38 to .39) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the GLC Coupe get better fuel mileage.

Passenger Space

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The GLC Coupe has .7 inches more front legroom, .6 inches more front shoulder room, .7 inches more rear headroom, 1.1 inches more rear legroom and .7 inches more rear shoulder room than the Q3.

Cargo Capacity

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The GLC Coupe has a larger cargo volume with its rear seat folded than the Q3 with its rear seat folded (52.6 vs. 48 cubic feet).

Pressing a button automatically lowers the GLC Coupe’s rear seats, to make changing between passengers and cargo easier. The Q3 doesn’t offer automatic folding seats.

Towing

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The GLC Coupe’s standard towing capacity is much higher than the Q3’s (3500 vs. 1500 pounds).

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 Q3 doesn’t offer electronic trailer sway control.

Servicing Ease

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The engine in the GLC Coupe is mounted longitudinally (North-South), instead of sideways, as in the Q3. This makes it easier to service and maintain, because the accessory belts are in front.

Ergonomics

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The GLC Coupe 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 Q3 doesn’t offer a remote starting system.

Unlike the driver-only memory seat and mirrors optional at extra cost in the Q3, 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. The Q3 doesn’t offer an easy entry system.

The GLC Coupe offers an optional heads-up display that projects speed and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Q3 doesn’t offer a heads-up display.

The GLC Coupe has standard Keyless-Go that allows 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. The Audi Advanced Key costs extra on the Q3.

The GLC Coupe’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The Q3’s cruise control switches are unlit, making them difficult to find at night and operate safely.

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 Q3 doesn’t offer heated windshield washer fluid. Its standard heated washer nozzles will defrost the washer fluid but not the windshield.

The Q3 Premium Plus’ 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.

Manual rear side window sunshades are available in the GLC Coupe to help block heat and glare for the rear passengers. The Q3 doesn’t offer rear side window sunshades.

When the GLC Coupe is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The Q3’s mirror doesn’t automatically adjust for backing.

Both the GLC Coupe and the Q3 have standard heated front seats. The GLC Coupe also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the Q3.

Optional air-conditioned seats in the GLC Coupe keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The Q3 doesn’t offer air-conditioned seats.

On extremely cold winter days, the GLC Coupe’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the vehicle heater warms up. The Q3 doesn’t offer a heated steering wheel.

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. Wireless charging costs extra on the Q3.

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 Q3 doesn’t offer an automated parking system.

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Motor Trend selected the GLC as their 2017 Sport Utility of the Year. The Q3 has never been chosen.

The Mercedes GLC outsold the Audi Q3 by 81% during 2023.

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