Compare the2026 BMW 4 Series Gran CoupeVS 2025 Audi S5

Both the 4 Series Gran Coupe and the S5 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.

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 S5.

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.

The M440i Coupe’s standard 3.0 turbo 6-cylinder hybrid produces 24 more horsepower (386 vs. 362) than the S5’s 3.0 turbo V6.

On the EPA test cycle the 4 Series Gran Coupe gets better mileage than the S5:

Regenerative brakes improve the 4 Series Gran Coupe’s fuel efficiency by converting inertia back into energy instead of wasting it. The S5 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 S5 (4). This means the 4 Series Gran Coupe produces up to 13.2 pounds less smog-producing pollutants than the S5 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 S5.

For better stopping power the M440i Gran Coupe xDrive’s front brake rotors are larger than those on the S5:

The BMW 4 Series Gran Coupe may be more efficient, handle and accelerate better because it weighs up to about 400 pounds less than the Audi S5.

The 4 Series Gran Coupe has a larger trunk with its rear seat folded than the S5 with its rear seat folded (45.6 vs. 37.5 cubic feet).

To help drivers avoid possible obstacles, the 4 Series Gran Coupe offers optional cornering lights to illuminate around corners when the turn signals are activated. The S5 doesn’t offer cornering lights. The 4 Series Gran Coupe also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

The BMW 4 Series comes in coupe, convertible and four door hatchback bodystyles; the Audi S5 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 S5 doesn’t offer a two-wheel drive configuration.

J.D. Power and Associates rated the 4 Series Gran Coupe first among compact premium cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The S5 isn’t in the top three.