2019 Audi TT vs. 2020 BMW 4 Series Coupe

Detailed Review, Specifications & Comparison

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For enhanced safety, the front and rear seat shoulder belts of the Audi TT have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision. The BMW 4 Series Coupe doesn’t offer pretensioners for the rear seat belts.

The TT has a standard Secondary Collision Brake Assist, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The 4 Series Coupe doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the TT. But it costs extra on the 4 Series Coupe.

Both the TT and the 4 Series Coupe have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras and available blind spot warning systems.


From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Audi vehicles are more reliable than BMW vehicles. Consumer Reports ranks Audi 1 place higher in reliability than BMW.


The TT has more powerful engines than the 4 Series Coupe:



TTS 2.0 turbo 4 cyl.

288 HP

280 lbs.-ft.

TT RS Coupe 2.5 turbo 5 cyl.

400 HP

354 lbs.-ft.

430i Coupe 2.0 turbo 4 cyl.

248 HP

258 lbs.-ft.

440i Coupe 3.0 turbo 6 cyl.

320 HP

330 lbs.-ft.

Fuel Economy and Range

On the EPA test cycle the TT 45 TFSI gets better fuel mileage than the 430i Coupe xDrive Auto (23 city/31 hwy vs. 21 city/31 hwy).


The TT offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The 4 Series Coupe doesn’t offer an SMG.

To facilitate fast shifting and allow the driver to focus on the road, the TT has a standard up-shift light to indicate when the engine is approaching redline. The 4 Series Coupe doesn’t offer an up-shift light.

The TT RS’ 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 4 Series Coupe doesn’t offer launch control.

Brakes and Stopping

The TT RS offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The 4 Series Coupe doesn’t offer ceramic brake rotors.

The TT stops much shorter than the 4 Series Coupe:


4 Series

70 to 0 MPH

140 feet

170 feet

Car and Driver

60 to 0 MPH

100 feet

109 feet

Motor Trend

Tires and Wheels

For better traction, the TT has larger standard tires than the 4 Series Coupe (245/40R18 vs. 225/45R18). The TTS/RS’ optional tires are larger than the largest tires available on the 4 Series Coupe (255/30R20 vs. 225/40R19).

The TT 45 TSFI’s standard tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the 4 Series Coupe’s standard 45 series tires. The TTS/RS’ optional tires have a lower 30 series profile than the 440i Coupe’s optional 40 series front and 35 series rear tires.

For better ride, handling and brake cooling the TTS/RS offers optional 20-inch wheels. The 4 Series Coupe’s largest wheels are only 19-inches.

Suspension and Handling

The TT RS Coupe handles at 1.05 G’s, while the 430i Coupe pulls only .89 G’s of cornering force in a Car and Driver skidpad test.

The TT RS Coupe executes Motor Trend’s “Figure Eight” maneuver 1.9 seconds quicker than the 430i Coupe (23.7 seconds @ .85 average G’s vs. 25.6 seconds @ .72 average G’s).

For better maneuverability, the TT’s turning circle is 2.3 feet tighter than the 4 Series Coupe’s (34.8 feet vs. 37.1 feet). The TT RS Coupe’s turning circle is 2.7 feet tighter than the 4 Series Coupe xDrive’s (36 feet vs. 38.7 feet).


The Audi TT may be more efficient, handle and accelerate better because it weighs about 350 to 450 pounds less than the BMW 4 Series Coupe.

The TT is 1 foot, 5.7 inches shorter than the 4 Series Coupe, making the TT easier to handle, maneuver and park in tight spaces.

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Audi service is better than BMW. J.D. Power ranks Audi 8th in service department satisfaction (above the industry average). With a 10% lower rating, BMW is ranked 11th.


The TT’s power parking brake sets with one touch and releases with one touch or automatically. The 4 Series Coupe has a lever-type parking brake that has to be strenuously raised to engage properly. It has to be lifted up more and a button depressed to release it.

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


Consumer Reports® recommends the Audi TT, based on reliability, safety and performance.

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

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