Audi S5 2025 Review: Performance & Tech Deep Dive

What Makes the 2025 Audi S5 a Game Changer?

If you're comparing luxury sports sedans like the BMW M440i or Mercedes-AMG C43, the redesigned Audi S5 demands your attention. After testing it on French Riviera roads, I discovered three critical upgrades that redefine its segment position: Audi's first mild-hybrid system in a performance model, a new dedicated ICE platform, and AI-powered cockpit tech. Let's dissect why these matter for your driving experience.

Chapter 1: Engineering Authority – The New Backbone

The MLB evo platform underpinning this S5 marks Audi's strategic shift. Unlike previous shared architectures, this chassis is exclusively for combustion-engine vehicles—a direct response to emissions regulations. During our Nice coastal drive, the difference was immediate: 10% wider track and longer wheelbase translated to palpable stability during high-speed cornering.

Audi engineers confirmed the new 3.0 TFSI mild-hybrid delivers 376 HP and 550 Nm torque. Crucially, this isn't just added power. The 48V system enables five regeneration modes—including coasting that recharges the battery during deceleration. As one Stuttgart development lead told Auto Motor und Sport: "This addresses the torque gap issue inherent in turbocharged engines."

Chapter 2: Real-World Driving Experience

For performance seekers, the S5's behavior varies dramatically across modes. After 200 km of testing, here's what you need to know:

Acceleration & Handling Nuances

• Sport Mode: Eliminates turbo lag entirely. 0-100 km/h in 4.5s feels deceptive due to reduced cabin noise.
• Comfort Mode: Prioritizes regeneration. Expect slight throttle hesitation below 2,000 RPM.
• Torque Vectoring Pro Tip: When pushing hard through mountain passes, the system subtly brakes the inside rear wheel. You'll feel it as reduced understeer rather than obvious intervention.

Critical note: The new rear-seat central tunnel creates a 15cm floor hump. Adults over 180cm will find center positions uncomfortable for long trips—a trade-off for the stiffer chassis.

Chapter 3: The Tech Revolution Inside

Audi's "Digital Stage" cockpit isn't just screens—it's a reimagined interface. Three elements stood out during our night drive:

1. 14.9" MMI Touch: The AI assistant processed complex commands like "Find charging stations near viewpoints with vegan restaurants" in 1.2 seconds.
2. Passenger Display Privacy: The 10.9" screen uses electrochromic film—invisible to drivers even when stopped. Ideal for navigation co-pilots.
3. Hazard Light Integration: Approaching vehicles trigger progressive red LED pulses in door panels and dash—less jarring than traditional blinkers.

What the video didn't show: Audi Connect's gaming platform transforms the passenger screen into a PlayStation controller when parked—a direct jab at Tesla.

Actionable Buyer's Checklist

1. Test Drive Must-Dos:
   • Verify headroom with your helmet if tracking
   • Trigger hazard lights to check LED animations
   • Command "Activate battery charge mode" via voice
2. Trim Comparison:
   • Standard: 19" wheels, basic driver assists
   • Technik: Adds head-up display, torque vectoring
   • Technik Plus: Rear-wheel steering, Bang & Olufsen 3D audio

The Final Verdict

The 2025 S5 succeeds most as a tech-forward grand tourer—its mild hybrid adding efficiency without diluting the V6's character. While the C43 offers rawer exhaust notes, Audi's chassis innovations and AI integration create the smartest drive in its class.

When you test drive one, which feature will you try first—the torque vectoring or voice AI? Share your priority in the comments.