Compare the2023 BMW 4 Series Gran CoupeVS 2023 Audi A3

The 4 Series Gran Coupe has a standard blind spot warning system which uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them and moves the vehicle back into its lane. A system to reveal vehicles in the A3’s blind spot costs extra.

To help make backing out of a parking space safer, the 4 Series Gran Coupe has a standard rear cross-path warning system, which uses sensors in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. Rear cross-path warning costs extra on the A3.

The 4 Series Gran 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 A3 doesn’t offer a driver alert monitor.

Both the 4 Series Gran Coupe and the A3 have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, 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, rearview cameras and available all wheel drive.

BMW pays for scheduled maintenance on the 4 Series Gran Coupe 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 A3.

There are over 15 percent more BMW dealers than there are Audi dealers, which makes it easier should you ever need service under the 4 Series Gran Coupe’s warranty.

J.D. Power and Associates rated the 4 Series Gran Coupe third among compact premium cars in their 2022 Initial Quality Study. The A3 isn’t in the top three in its category.

J.D. Power and Associates’ 2022 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 above average in initial quality. With 74 more problems per 100 vehicles, Audi is rated below average.

J.D. Power and Associates’ 2022 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 above average in long-term dependability. With 5 more problems per 100 vehicles in the first three years of ownership, Audi is rated below average.

From surveys of all its subscribers, Consumer Reports’ January 2021 Auto Issue reports that BMW vehicles are more reliable than Audi vehicles. Consumer Reports ranks BMW 2 places higher in reliability than Audi.

The 430i Gran Coupe’s standard 2.0 turbo 4-cylinder produces 54 more horsepower (255 vs. 201) and 73 lbs.-ft. more torque (294 vs. 221) than the A3’s 2.0 turbo 4-cylinder hybrid. The M440i Gran Coupe’s standard 3.0 turbo 6-cylinder hybrid produces 181 more horsepower (382 vs. 201) and 147 lbs.-ft. more torque (368 vs. 221) than the A3’s 2.0 turbo 4-cylinder hybrid.

The 4 Series Gran Coupe has 2.4 gallons more fuel capacity than the A3 FWD’s standard fuel tank (15.6 vs. 13.2 gallons), for longer range between fill-ups. The 4 Series Gran Coupe has 1.1 gallons more fuel capacity than the A3 Quattro’s standard fuel tank (15.6 vs. 14.5 gallons).

An eight-speed automatic is standard on the BMW 4 Series Gran Coupe, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the A3.

The 4 Series Gran Coupe’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The A3 doesn’t offer launch control.

For better stopping power the 4 Series Gran Coupe’s brake rotors are larger than those on the A3:

The 4 Series Gran Coupe’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the A3 are solid, not vented.

For better traction, the 4 Series Gran Coupe has larger standard tires than the A3 (245/45R18 vs. 225/45R17). The 4 Series Gran Coupe’s optional tires are larger than the largest tires available on the A3 (F:245/40R19 & R:255/40R19 vs. 225/45R17).

For better ride, handling and brake cooling the 4 Series Gran Coupe has standard 18-inch wheels. Smaller 17-inch wheels are standard on the A3. The 4 Series Gran Coupe’s optional 19-inch wheels are larger than the 18-inch wheels optional on the A3.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the 4 Series Gran Coupe can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The A3 doesn’t offer run-flat tires.

For a smoother ride and more stable handling, the 4 Series Gran Coupe’s wheelbase is 8.9 inches longer than on the A3 (112.4 inches vs. 103.5 inches).

For better handling and stability, the track (width between the wheels) on the 4 Series Gran Coupe is 1.7 inches wider in the front and 3.9 inches wider in the rear than on the A3.

Because it has more passenger and cargo room, the EPA rates the 4 Series Gran Coupe a Compact car, while the A3 is rated a Subcompact.

The 4 Series Gran Coupe has 4 cubic feet more passenger volume than the A3 (91 vs. 87).

The 4 Series Gran Coupe has 1.8 inches more front headroom, .3 inches more front legroom, .4 inches more front shoulder room and 1.3 inches more rear shoulder room than the A3.

The engine in the 4 Series Gran Coupe is mounted longitudinally (North-South), instead of sideways, as in the A3. This makes it easier to service and maintain, because the accessory belts are in front.

J.D. Power and Associates surveys of service recipients show that BMW service is better than Audi. J.D. Power ranks BMW 7th in service department satisfaction (above the industry average). With a 1% lower rating, Audi is ranked 8th.

The 4 Series Gran 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 A3 doesn’t offer a remote starting system.

The 4 Series Gran Coupe M440i offers an optional heads-up display that projects speed, warning 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 A3 doesn’t offer a heads-up display.

To help drivers see further while navigating curves, the 4 Series Gran Coupe has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The A3 doesn’t offer cornering lights.

Optional air-conditioned seats in the 4 Series Gran Coupe keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The A3 doesn’t offer air-conditioned seats.

On extremely cold winter days, the 4 Series Gran Coupe’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The A3 doesn’t offer a heated steering wheel.

The 4 Series Gran Coupe M440i’s optional Parking Assistant Plus can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The A3’s automatic parking system requires operating the brakes and transmission to safely park.

The BMW 4 Series comes in coupe, convertible and four door hatchback bodystyles; the Audi A3 isn’t available as a coupe or convertible.

The BMW 4 Series outsold the Audi A3/S3/RS 3 by over four to one during the 2021 model year.