Compare the2025 BMW 4 Series Gran CoupeVS 2024 Audi A6

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 4 Series Gran Coupe are reminded to check the back seat if they opened the rear door before starting out. The A6 doesn’t offer a back seat reminder.

The 4 Series Gran Coupe’s standard pretensioning seatbelts also sense rear collisions and remove slack from the front seatbelts to help protect the occupants from whiplash and other injuries. The A6 doesn’t offer a whiplash protection system.

The 4 Series Gran Coupe has a standard blind spot warning system that 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 A6’s blind spot costs extra.

To help make backing out of a parking space safer, the 4 Series Gran Coupe has standard Cross Traffic Warning, helping the driver avoid collisions. Audi charges extra for Rear Cross-Traffic Assist on the A6.

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 A6 doesn’t offer a driver alert monitor.

Both the 4 Series Gran Coupe and the A6 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, available all wheel drive and around view monitors.

BMW pays for scheduled maintenance on the 4 Series Gran Coupe for 3 years and 36,000 miles. BMW will pay for oil changes, tire rotations, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Audi only pays for the first scheduled maintenance visit on the A6.

There are over 14 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.

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the 4 Series Gran Coupe’s reliability 17 points higher than the A6.

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that BMW vehicles are better in initial quality than Audi vehicles. With 36 fewer problems per 100 vehicles, JD Power ranks BMW 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 BMW vehicles are more reliable than Audi With 85 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks BMW higher than Audi.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that BMW vehicles are more reliable than Audi vehicles. Consumer Reports ranks BMW 10 places higher in reliability than Audi.

The 430i Gran Coupe’s standard 2.0 turbo 4-cylinder hybrid produces 22 lbs.-ft. more torque (295 vs. 273) than the A6 45 TFSI’s standard 2.0 turbo 4-cylinder hybrid. The M440i Coupe’s standard 3.0 turbo 6-cylinder hybrid produces 51 more horsepower (386 vs. 335) and 29 lbs.-ft. more torque (398 vs. 369) than the A6 55 TFSI’s standard 3.0 turbo V6 hybrid.

On the EPA test cycle the 4 Series Gran Coupe gets better mileage than the A6:

To lower fuel costs and make buying fuel easier, the BMW 4 Series Gran Coupe uses regular unleaded gasoline (premium recommended for maximum performance). The A6 55 TFSI requires premium, which can cost on average about 84.9 cents more per gallon.

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the BMW 4 Series Gran Coupe higher (6 to 7 out of 10) than the Audi A6 (5). This means the 4 Series Gran Coupe produces up to 8 pounds less smog-producing pollutants than the A6 every 15,000 miles.

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 A6.

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 A6 doesn’t offer launch control.

For better stopping power the M440i Gran Coupe xDrive’s brake rotors are larger than those on the A6:

The 4 Series Gran Coupe’s optional tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the A6’s optional 40 series tires.

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 A6 doesn’t offer run-flat tires.

The 4 Series Gran Coupe 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. The A6’s suspension doesn’t offer adjustable shock absorbers.

The 4 Series Gran Coupe’s front to rear weight distribution is more even (50.4% to 49.6%) than the A6’s (55% to 45%). This gives the 4 Series Gran Coupe more stable handling and braking.

The BMW 4 Series Gran Coupe may be more efficient, handle and accelerate better because it weighs up to about 200 pounds less than the Audi A6.

The 4 Series Gran Coupe is 5.9 inches shorter than the A6, making the 4 Series Gran Coupe easier to handle, maneuver and park in tight spaces.

The 4 Series Gran Coupe has .6 inches more front headroom and .2 inches more front legroom than the A6.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the BMW 4 Series has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the A6.

The BMW 4 Series comes in coupe, convertible and four door hatchback bodystyles; the Audi A6 isn’t available as a coupe or convertible.

The 4 Series Gran Coupe is available in both rear-wheel drive and all-wheel drive configurations. The A6 doesn’t offer a two-wheel drive configuration.

Insurance will cost less for the 4 Series Gran Coupe owner. The Complete Car Cost Guide estimates that insurance for the 4 Series Gran Coupe will cost $105 less than the A6 over a five-year period.

The 4 Series Gran Coupe will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the 4 Series Gran Coupe will retain 52.7% to 54.31% of its original price after five years, while the A6 only retains 41.11% to 42.12%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the BMW 4 Series Gran Coupe will be $15100 to $17159 less than for the Audi A6.

The BMW 4 Series outsold the Audi A6/S6/RS 6 by over six to one during 2023.