2020 BMW 4 Series Coupe vs. 2019 Audi A5

Detailed Review, Specifications & Comparison

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Both the 4 Series 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, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available all wheel drive and around view monitors.


BMW pays for scheduled maintenance on the 4 Series 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 A5.

There are over 13 percent more BMW dealers than there are Audi dealers, which makes it easier should you ever need service under the 4 Series Coupe’s warranty.


To reliably power the ignition and other systems and to recharge the battery, the 440i Coupe has a standard 210-amp alternator (170-amp - 430i Coupe). The A5’s standard 110-amp alternator and largest (optional) 150-amp alternator aren’t as powerful.

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 Coupe’s reliability 22 points higher than the A5.

J.D. Power and Associates rated the 4 Series Coupe first among compact premium cars in their 2018 Initial Quality Study. The A5 isn’t in the top three.

J.D. Power and Associates’ 2018 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 11th in initial quality, above the industry average. With 18 more problems per 100 vehicles, Audi is ranked 25th, below the industry average.

J.D. Power and Associates’ 2019 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 7th in reliability, above the industry average. With 2 more problems per 100 vehicles, Audi is ranked 8th.


The 440i Coupe’s standard 3.0 turbo 6 cyl. produces 72 more horsepower (320 vs. 248) and 57 lbs.-ft. more torque (330 vs. 273) than the A5’s 2.0 turbo 4 cyl.

Environmental Friendliness

The U.S. Environmental Protection Agency (EPA) certifies the BMW 4 Series Coupe as a “Super Ultra Low Emissions Vehicle” (SULEV). The Audi A5 is only certified to “Ultra Low Emissions Vehicle” (ULEV) standards.


An eight-speed automatic is standard on the BMW 4 Series Coupe, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the A5.

Brakes and Stopping

The 4 Series 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 A5 are solid, not vented.

The 4 Series Coupe stops shorter than the A5:

4 Series Coupe


60 to 0 MPH

109 feet

117 feet

Motor Trend

Tires and Wheels

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the 4 Series Coupe can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The A5 doesn’t offer run-flat tires.

Suspension and Handling

For a smoother ride and more stable handling, the 4 Series Coupe’s wheelbase is 1.8 inches longer than on the A5 Coupe (110.6 inches vs. 108.8 inches).

The 430i Coupe handles at .90 G’s, while the A5 Prestige Coupe pulls only .85 G’s of cornering force in a Motor Trend skidpad test.

The 440i Coupe executes Motor Trend’s “Figure Eight” maneuver quicker than the A5 Prestige Coupe (25.5 seconds @ .75 average G’s vs. 26.3 seconds @ .71 average G’s).

For better maneuverability, the 4 Series Coupe’s turning circle is .6 feet tighter than the A5’s (37.1 feet vs. 37.7 feet).


The design of the BMW 4 Series Coupe amounts to more than styling. The 4 Series Coupe has an aerodynamic coefficient of drag of .29 Cd. That is lower than the A5 (.29 to .3). A more efficient exterior helps the 4 Series Coupe go faster and keeps the interior quieter. It also helps the 4 Series Coupe get better fuel mileage.

Passenger Space

Because it has more passenger and cargo room, the EPA rates the 4 Series Coupe a Compact car, while the A5 Coupe is rated a Subcompact.

The 4 Series Coupe has 6 cubic feet more passenger volume than the A5 Coupe (90 vs. 84).

The 4 Series Coupe has .8 inches more front headroom, .9 inches more front legroom, 1 inch more rear legroom and 1 inch more rear shoulder room than the A5 Coupe.

Cargo Capacity

The 4 Series Coupe has a much larger trunk than the A5 Coupe (15.7 vs. 11.6 cubic feet).


If the windows are left open on the 4 Series Coupe w/Comfort Access the driver can close them all at the outside door handle. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the A5 can’t use the remote to operate the windows.

To help drivers see further while navigating curves, the 4 Series Coupe offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The A5 doesn’t offer cornering lights.

The 4 Series Coupe has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable. The A5 doesn’t offer a rear seat center armrest.

Model Availability

The 4 Series Coupe is available in both rear-wheel drive and all-wheel drive configurations. The A5 doesn’t offer a two-wheel drive configuration.

Economic Advantages

Insurance will cost less for the 4 Series Coupe owner. The Car Book by Jack Gillis rates the 4 Series Coupe with a number “1” insurance rate while the A5 is rated higher at a number “3” rate.

According to The Car Book by Jack Gillis, the 4 Series Coupe is less expensive to operate than the A5 because it costs $28 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the 4 Series Coupe than the A5, including $66 less for a starter and $246 less for a fuel pump.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the BMW 4 Series Coupe will be $3426 to $3552 less than for the Audi A5.


The 4 Series Coupe was chosen as one of Car and Driver’s “Top Ten” in 2014. The A5 has never been a Car and Driver “Top Ten” pick.

The 4 Series Coupe was chosen as one of Automobile Magazine’s “All Stars” in 2014. The A5 has never been an “All Star.”

The BMW 4 Series outsold the Audi A5/S5 by 21% during 2018.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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