Audi S4 vs BMW 340i: Key Differences in Performance, Luxury, and Tech

When choosing between the Audi S4 and the BMW 340i, buyers face a compelling clash of German engineering excellence. The Audi S4 delivers a dynamic driving experience with its quattro all-wheel drive, precise steering, and a turbocharged 2.0L engine producing 350 horsepower—ideal for those who value responsive performance on twisty roads. Its interior blends minimalist elegance with smart tech, featuring a sleek MMI touch display and advanced driver-assistance systems that enhance safety and convenience.

In contrast, the BMW 340i emphasizes refined luxury and balanced handling. Powered by a turbocharged inline-six delivering 325 horsepower, it offers smooth, linear performance with a focus on comfort and driver engagement. The cabin combines premium materials with intuitive controls, including a large touchscreen and advanced iDrive 8 software that sets new standards in connectivity and usability. While slightly less sharp in corners than the S4, the 340i excels in everyday usability and long-distance refinement.

Both models offer strong safety ratings, premium interiors, and competitive fuel efficiency. The Audi S4 leans into sporty sophistication, while the BMW 340i champions comfort and technological integration. For enthusiasts craving agility, the S4 leads; for those prioritizing a seamless blend of luxury and refinement, the 340i stands out. Ultimately, the choice hinges on personal preference—performance-first or comfort-pursuit. Test drive both to experience the nuanced differences that define these prestigious sedans.

The Audi S4 and BMW 340i represent two distinct pillars of premium driving—performance and luxury. By evaluating handling, tech, and comfort, buyers can confidently select the model that aligns with their lifestyle. Don’t settle—experience the difference today and drive the car that feels like you.

Audi S4 vs BMW 340i: A comprehensive comparison of these performance saloons. Which is best for you? Find out about handling, tech, and reliability. The BMW M340i and Audi S4 are both powerful, sport-tuned luxury sedans.

But comparing them reveals one big advantage for the BMW. With great performance and luxury, both sedans prove to be good choices. Here are my thoughts: I think the S4 is much nicer than the m340 inside and out by a million miles.

Only thing the m340 has over the s4 is the performance and driving experience (although I think the s4 drives really well too almost as much). Now Bmw is generally less reliable than Audi but in this case it's not. In essence, I'm looking to get some feedback, hopefully unbiased, on buying a 2018 340i xDrive M Sport or Audi S4, S Sport.

I understand all of the mechanical differences, but maybe there is something I have completey overlooked. BMW M340i Not so very long ago, two. Compare performance of BMW 340i Touring xDrive (F31 facelift) and Audi S4 Avant (B9).

Updated August 2025. When comparing BMW vs. Audi, two top-of-the-line, high-performance luxury sedans come to mind: the 2016 BMW 340i and the 2016 Audi S4, each providing you with a unique blend of design elements and performance.

So, between the BMW 340i and the Audi S4, which one is the better car? This article will take you through a detailed comparison of both cars to help you gain a better understanding. In this video, we delve into an in-depth comparison of the Audi S4 and BMW M340i, two leading luxury compact sport sedans. We'll explore everything from performance, transmission, handling.

This is compared to the BMW 340i's 3.0 liter turbocharged I6 that makes 320 hp and 330 lb-ft. The Audi S4 weighs in at 3,594 lbs, compared to the BMW 340i which weighs at around 3,600 lbs. Compare MSRP, invoice pricing, and other features on the 2025 Audi S4 and 2025 BMW M340.