2021 AUDI S4 | WAUC4AF48MA086902

Body Styles

The Audi S4 is available exclusively as a 4-door sedan with a classic three-box silhouette. While it retains the traditional sedan form, its roofline flows gently into the trunk, giving it a slightly fastback-like appearance without compromising rear headroom. Proportions are taut and athletic, with short overhangs, a wide stance, and strong shoulder lines that accentuate the quattro-inspired design. The car measures around 4.77 meters in length, striking a refined balance between sportiness and executive elegance.

Model Name Meaning (Manufacturer)

The name "S4" represents Audi’s long-standing "S" performance lineage, positioned between standard "A" models and high-performance "RS" variants. The "S" badge indicates enhanced power, chassis tuning, and styling upgrades, while "4" refers to the model's place in the compact executive class, rooted in the A4 family.

Body & Interior Colors and Rims

The Audi S4 (B9 generation) offered an extensive palette of exterior finishes that blended understated sophistication with expressive sportiness. Standard shades included Ibis White and Brilliant Black, while metallic options such as Navarra Blue, Mythos Black, Tango Red, Manhattan Gray, and Floret Silver provided a premium touch. Daytona Gray Pearl Effect became a fan favorite for its stealthy tone and depth. Audi Exclusive expanded personalization with bespoke finishes like Sonoma Green, Merlin Purple, and Solar Orange—heritage colors borrowed from the RS lineage or historic Audi racing liveries—available for discerning customers through special order.

Inside, the cabin was adorned with high-quality materials that combined elegance and performance flair. The S Sport seats were available in Fine Nappa leather with contrasting diamond stitching, offered in colorways such as Black with Magma Red accents, Rotor Gray with Anthracite stitching, and full Magma Red for a bold statement. The interior inlays varied across trim levels, ranging from brushed aluminum and dark matte brushed aluminum to carbon atlas and piano black lacquer. Details like illuminated door sills, stainless steel pedals, and red-stitched seatbelts further emphasized the sporty character without sacrificing the premium ambiance expected from an Audi.

Wheel options ranged from 18-inch standard designs to multiple 19-inch variants, with distinctive motifs such as 5-double-spoke V-style, 10-spoke star, and 5-arm rotor designs. Finishes included gloss anthracite black, matte titanium, and polished silver, allowing owners to fine-tune the S4’s appearance toward either subtlety or aggression. Some higher trims or packages included specific wheels with wider profiles and summer performance tires, enhancing both stance and road-holding capability while completing the car's assertive posture.

Top Expensive Options

• Carbon Ceramic Brakes: $6,000
• Bang & Olufsen 3D Premium Audio: $3,200
• S sport package (dynamic steering, red calipers): $2,500
• Audi Virtual Cockpit Plus: $1,500
• Matrix LED headlights with laser light: $2,800
• Nappa leather interior with diamond stitching: $2,500
• Head-up display: $1,100
• Driver Assistance Package: $2,250
• Adaptive cruise control with Traffic Jam Assist: $1,900
• Audi Exclusive paint finish: $3,900

vs Competitors

In the compact sports sedan category, the Audi S4 faces stiff competition from the BMW M340i and Mercedes-AMG C43. While the BMW excels in steering feedback and a slightly more aggressive rear-wheel-bias feel, the Audi counters with superior interior quality, digital instrumentation, and a more neutral handling balance. Compared to the AMG C43, which leans toward rawness, the S4 is more refined and better suited for daily driving, especially with its smoother power delivery and quieter cabin. The Audi’s quattro system gives it an edge in bad weather, and its understated styling appeals to those who favor a more discreet performance package. Technology-wise, Audi’s MMI and Virtual Cockpit set class benchmarks for clarity and integration.

Fun Fact

The B9-generation Audi S4 (2017–2025) marked the first time the model abandoned its previous supercharged V6 engine in favor of a turbocharged configuration. This switch not only improved fuel efficiency and emissions but also allowed for more tuning potential — a fact that’s made the S4 a favorite among aftermarket tuners and enthusiasts seeking easy performance gains without sacrificing reliability or comfort.