The iconic five-cylinder engine is on the brink of extinction, and Audi is pulling out all the stops to give it a grand farewell. But here's where it gets controversial: is this the last hurrah for a legendary powertrain, or a desperate attempt to cling to the past? Audi’s recent commitment to combustion engines beyond 2032 might seem like a lifeline, but the writing is on the wall for the inline-five. With the TT RS and RS Q3 already retired, the RS3 stands as the sole guardian of this storied engine—and even it won’t last forever.
Before the 2.5-liter TFSI fades into history, Audi is treating the RS3 to a track-inspired 'GT' makeover. And this is the part most people miss: while it’s designed to dominate the Nürburgring, this hot hatch will still be street-legal. Spy footage from CarSpyMedia reveals a prototype sporting an aggressive aerodynamic kit, complete with front canards, a pronounced spoiler lip, and enlarged air intakes. At one point, the glowing front brakes hint at the extreme performance being tested, while a stiffer suspension and a roll cage (likely for testing purposes) suggest this RS3 means business. Expect production models to feature upgraded brakes, sharper steering, lightweight wheels, and possibly even carbon fiber components.
The big question on every enthusiast’s mind: will Audi squeeze more power from the five-cylinder? Currently, the RS3 delivers a hearty 394 horsepower and 369 pound-feet of torque, but former Audi Sport CEO Sebastian Grams once hinted there’s room for improvement. Here’s the kicker: Audi CEO Gernot Döllner has confirmed the engine’s demise with the arrival of Euro 7 emissions standards in 2027, citing prohibitive costs to keep it compliant. So, even if a power boost is in the cards, it’s a swan song—not a new beginning.
Despite its impending retirement, the inline-five isn’t going quietly. The prototype spotted is the five-door Sportback, but fans are hoping the RS3 Sedan gets the GT treatment too, especially since the hot hatch remains unavailable in the U.S. Interestingly, Audi has loaned the engine to Cupra for the Formentor VZ5, another five-cylinder model that won’t cross the Atlantic. Rumors also swirl about a potential ultimate Golf R adopting the 'EA855' engine, but we’ll believe it when we see it.
With Euro 7 looming, Audi is racing to unveil this spicier RS3 soon. The company has already teased new RS models for next year, and this GT variant is a strong contender. But here’s the real question: as the automotive world shifts toward electrification, is Audi’s focus on a dying engine a nostalgic farewell or a missed opportunity to innovate? Let us know your thoughts in the comments—is this the perfect send-off, or should Audi have moved on sooner?
