What are the differences between the Audi S4 and A4?

[MacGeorge]

The main differences between the Audi A4L and S4 are as follows: 1. Exterior: The Audi S4 model is an upgraded version based on the standard Audi A4. In terms of appearance, the S4 largely retains the design of the A4, adopting Audi's latest family-style design language and featuring matrix LED headlights. The side profile boasts smooth lines and incorporates numerous sporty elements, such as large wheels, red brake calipers, and a black front grille. The rear is equipped with LED taillights, and the exhaust system follows the design style of Audi's S series, featuring a quad-exhaust layout that enhances the overall sporty feel. 2. Driving experience: The Audi S4 is easy to handle, thanks to its full-time all-wheel-drive system, which allows for quick cornering. Even if the steering wheel isn't fully straightened, rapid acceleration won't lead to loss of control. In sport mode, the engine and exhaust sounds are quite pleasing. In comfort mode, the cabin noise is nearly indistinguishable from a standard A4L, making it very quiet. In terms of space, the front seats of the S4 offer decent room, and while the rear seats aren't as spacious as the A4L, they are sufficient for daily use.

[RyderAnn]

I've driven quite a few Audi models, and as an average family car owner, the Audi A4 left me with an impression of comfort and practicality. Its suspension is tuned to be relatively soft, making it exceptionally smooth for city driving, with spacious rear seats that keep kids comfortable on family outings. In contrast, the S4 is too sporty—its stiff suspension makes speed bumps jarring, and while the seats offer great support, they're tiring on long drives. The A4 also boasts low fuel consumption, around 9-10 liters per 100 km, with affordable insurance. A new A4 costs around 300,000 RMB, making ownership easy on the wallet. The S4, starting at over 500,000 RMB, accelerates quickly, but its V6 engine guzzles fuel, and a full tank doesn't last long—hardly cost-effective for daily commutes. Maintenance-wise, A4 parts are readily available and affordable, while the S4 often requires high-performance components, putting more strain on the budget. Safety-wise, both perform well, but the A4's balanced, reliable design stands out.

[PeterLee]

As a car enthusiast who loves fast driving, I must say the S4 is the real deal! The 3.0-liter V6 turbocharged engine delivers 354 horsepower, accelerating from 0-100km/h in just over 4 seconds. The exhilarating push-back feeling is something the A4's 2.0T four-cylinder engine, with only around 190 horsepower, can't even come close to. I test-drove the S4 on mountain roads—its handling was precise, cornering was stable, and the exhaust note was simply intoxicating. That roar at startup gets your blood pumping instantly. Sure, the A4 is more comfortable, but driving it feels lukewarm, with soft power delivery—fine for daily commutes but absolutely not for spirited driving. The S4 looks way cooler too, with silver mirrors, large alloy wheels, and carbon fiber accents in the interior, giving it a pure sporty vibe. Yes, it's pricier, but for that driving thrill, it's totally worth it!

[CoreyFitz]

Considering the budget, the A4 is a wise choice. When I was choosing a car, I compared them: the new A4 costs around 300,000 yuan, with a fuel consumption of 8-9 liters per 100 kilometers in city driving; the S4 is over 200,000 yuan more expensive, starting at 500,000 yuan, and is even more fuel-thirsty, easily exceeding 13 liters. For insurance, the A4 costs a few thousand yuan a year, while the S4 doubles that. Maintenance costs are also higher for the S4, which uses larger brake discs and reinforced suspension, with parts replacement costing hundreds more each time. In terms of practicality, the A4 has sufficient space, comfortable rear seating, and is agile for city driving; the S4, while more powerful, comes with higher ownership costs, and its resale value might not be as favorable as the A4. Overall, the A4 is the economical choice, while the S4 is for those with ample budgets.

[VanEvelyn]

The key technical differences lie in the engine and chassis. The mainstream A4 employs a 2.0T inline-four engine producing around 190 horsepower, paired with a comfortable suspension suitable for smooth daily driving. The S4 comes standard with a 3.0T V6 biturbo engine delivering 354 horsepower, offering rapid acceleration and a stiffer suspension with dynamic systems to enhance handling, along with more responsive steering. In terms of braking, the S4 features larger discs with better heat dissipation to reduce brake fade. Both models utilize Quattro all-wheel drive, but the S4's setup is more aggressive. Fuel consumption is significantly higher in the S4, averaging 12-15 liters in urban driving, compared to the A4's 8-10 liters. Electronically, the S4 provides more driving mode options, such as Dynamic mode, while the A4 focuses more on safety and comfort. Simply put, the S4 leans towards being a performance machine, whereas the A4 is a more balanced choice.

[Stacy]

From a lifestyle perspective, choosing the A4 is more hassle-free for city living. I commute daily in my A4—it has low fuel consumption in congested areas, is easier to park due to its compact size, and offers a comfortable interior that doesn’t fatigue you on long drives. The S4 turns heads and delivers thrilling acceleration, but its wider tires make parking prone to scrapes, fuel refills are more frequent, and driving it in big cities feels wasteful while accelerating wear and maintenance hassles. The S4 is exhilarating for weekend getaways, especially on winding mountain roads, but since most time is spent in the city, the A4’s practicality shines. Stylistically, the S4 is sporty and bold, appealing to younger drivers, while the A4’s minimalist elegance suits those preferring understatement. Fuel efficiency and insurance costs differ noticeably—the A4 saves significant money yearly, making it the more sensible choice for everyday life.