Both the 4 Series Gran Coupe and the A5 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.
Compare the2026 BMW 4 Series Gran CoupeVS 2025 Audi A5


Safety
Warranty
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 A5.
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.
Reliability
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.
Engine
The M440i Coupe’s standard 3.0 turbo 6-cylinder hybrid produces 118 more horsepower (386 vs. 268) and 103 lbs.-ft. more torque (398 vs. 295) than the A5’s 2.0 turbo 4-cylinder hybrid.
Fuel Economy and Range
On the EPA test cycle the 4 Series Gran Coupe gets better mileage than the A5:
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MPG |
| 4 Series Gran Coupe |
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RWD |
2.0 turbo 4-cyl. Hybrid |
27 city/35 hwy |
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3.0 turbo 6-cyl. Hybrid |
26 city/32 hwy |
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AWD |
2.0 turbo 4-cyl. Hybrid |
25 city/34 hwy |
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3.0 turbo 6-cyl. Hybrid |
25 city/31 hwy |
| A5 |
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AWD |
2.0 turbo 4-cyl. Hybrid |
22 city/31 hwy |
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 A5 requires premium, which can cost on average about 84.9 cents more per gallon.
The 4 Series Gran Coupe has 1.1 gallons more fuel capacity than the A5 (15.6 vs. 14.5 gallons), for longer range between fill-ups.
Environmental Friendliness
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 A5 (4). This means the 4 Series Gran Coupe produces up to 13.2 pounds less smog-producing pollutants than the A5 every 15,000 miles.
Transmission
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 A5.
Brakes and Stopping
For better stopping power the M440i Gran Coupe xDrive’s brake rotors are larger than those on the A5:
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4 Series Gran Coupe |
M440i Gran Coupe xDrive |
A5 |
| Front Rotors |
13.4 inches |
14.7 inches |
13.3 inches |
| Rear Rotors |
13 inches |
13.6 inches |
13 inches |
Tires and Wheels
For better traction, the 4 Series Gran Coupe has larger standard tires than the A5 (245/45R18 vs. 235/45R18).
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 A5’s optional 40 series tires.
For better ride, handling and brake cooling the 4 Series Gran Coupe offers optional 20-inch wheels. The A5’s largest wheels are only 19-inches.
Suspension and Handling
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 A5’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 A5’s (56% to 44%). This gives the 4 Series Gran Coupe more stable handling and braking.
Cargo Capacity
The 4 Series Gran Coupe has a larger trunk with its rear seat folded than the A5 with its rear seat folded (45.6 vs. 36.6 cubic feet).
Ergonomics
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 A5 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.
Model Availability
The BMW 4 Series comes in coupe, convertible and four door hatchback bodystyles; the Audi A5 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 A5 doesn’t offer a two-wheel drive configuration.
Recommendations
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 A5 isn’t in the top three.
