Compare the2026 BMW 4 Series Gran CoupeVS 2026 Audi A6

Over 200 people are killed each year when backed over by motor vehicles. The 4 Series Gran Coupe offers an optional Active Park Distance Control that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The A6 doesn’t offer automatic braking for stationary objects directly to the rear.

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, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors, available all wheel drive and around view monitors.

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.

J.D. Power and Associates’ 2025 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 73 fewer problems per 100 vehicles, JD Power ranks BMW higher than Audi.

J.D. Power and Associates’ 2025 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 13 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’ March 2026 Auto Issue reports that BMW vehicles are more reliable than Audi vehicles. Consumer Reports ranks BMW 8 places higher in reliability than Audi.

The M440i Coupe’s standard 3.0 turbo 6-cylinder hybrid produces 24 more horsepower (386 vs. 362) than the A6’s 3.0 turbo V6.

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

Regenerative brakes improve the 4 Series Gran Coupe’s fuel efficiency by converting inertia back into energy instead of wasting it. The A6 doesn’t offer a regenerative braking system.

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 (4). This means the 4 Series Gran Coupe produces up to 13.2 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.

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

For better maneuverability, the 4 Series Gran Coupe’s turning circle is 1 foot tighter than the A6’s (39.4 feet vs. 40.4 feet).

The BMW 4 Series Gran Coupe may be more efficient, handle and accelerate better because it weighs about 50 to 400 pounds less than the Audi A6.

The 4 Series Gran Coupe is 8.3 inches shorter than the A6, making the 4 Series Gran Coupe easier to handle, maneuver and park in tight spaces.

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.

According to iSeeCars.com the 2026 BMW 4 Series Gran Coupe retains 43% of its original value after 5 years, more than the 39.09% resale value of the 2026 Audi A6 after five years, which can save the BMW’s owner up to $6566 in depreciation.

The BMW 4 Series outsold the Audi A6/S6/RS 6 by almost four to one during 2025.