2009-2011 Audi S4 Avant (B8) 3.0 TFSI V6 (333 Hp) quattro

The Audi S4 Avant (B8) 3.0 TFSI quattro, produced from March 2009 to 2011, represents a compelling blend of performance and practicality within the B8 generation of Audi’s S4 model line. Positioned as the performance-oriented wagon variant, it offered a more versatile alternative to the S4 sedan while retaining the potent powertrain and sophisticated all-wheel-drive system. This model occupied the top tier of the S4 Avant range, offering a significant step up in performance compared to the standard A4 Avant models. It was primarily marketed in Europe and other regions where the demand for high-performance wagons remained strong, though a limited number were imported to the United States as grey market vehicles.

Technical Specifications

INTRODUCTION

The Audi S4 Avant (B8) 3.0 TFSI quattro is a high-performance station wagon based on the B8 Audi A4 platform. Introduced in 2009 and continuing through 2011, it combined the practicality of a wagon with the exhilarating performance of Audi’s S-series models. The B8 generation S4 represented a shift from the naturally aspirated V8 engines of previous generations to a supercharged 3.0-liter V6, offering a broader torque curve and improved fuel efficiency. The “Avant” designation signifies the wagon body style, popular in Europe and offering a compelling alternative to the sedan for buyers needing increased cargo capacity.

Powertrain & Engine Architecture

At the heart of the S4 Avant (B8) lies the 3.0-liter TFSI V6 engine, specifically the CAKA or CCBA engine codes depending on the market and production date. This engine utilizes a Roots-type supercharger, providing instant boost and eliminating turbo lag. Direct fuel injection (FSI) is employed to precisely deliver fuel into the combustion chambers, optimizing combustion efficiency and power output. The engine boasts a 10.3:1 compression ratio and a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. The supercharger is integrated with an intercooler to cool the intake air, further enhancing performance. The engine produces 333 horsepower at 5500-7000 rpm and 324.53 lb-ft of torque between 2900-5300 rpm. Power is delivered to all four wheels via Audi’s quattro all-wheel-drive system, coupled with a six-speed manual transmission. The quattro system utilizes a Torsen center differential, distributing torque between the front and rear axles based on traction conditions.

Driving Characteristics

The S4 Avant (B8) 3.0 TFSI quattro delivers a refined yet exhilarating driving experience. The supercharged V6 provides immediate throttle response and strong acceleration throughout the rev range. The six-speed manual transmission offers precise shifts and allows for a greater degree of driver engagement. The quattro all-wheel-drive system provides exceptional grip and stability, particularly in adverse weather conditions. Compared to the standard A4 Avant, the S4 Avant offers significantly improved acceleration and handling. While not as raw or visceral as some rear-wheel-drive performance cars, the S4 Avant strikes a balance between performance and everyday usability. The suspension is tuned for a sporty ride, but remains comfortable enough for long-distance driving. The wagon body style does add some weight compared to the sedan, but the increased power and quattro all-wheel drive more than compensate for this.

Equipment & Trim Levels

The S4 Avant (B8) typically came well-equipped as standard. Interior features included sport seats upholstered in Milano leather, a three-spoke multifunction steering wheel, and aluminum interior trim. Standard exterior features included S-line styling cues, such as unique front and rear bumpers, side skirts, and a rear spoiler. Optional extras included a panoramic sunroof, navigation system, Bang & Olufsen sound system, and adaptive damping suspension. The S4 Avant was generally offered in a single, well-specified trim level, with options allowing buyers to personalize their vehicle.

Chassis & Braking

The S4 Avant (B8) features a fully independent suspension system, with multi-link suspension at the front and a trapezoidal-link setup at the rear. This configuration provides excellent handling and ride comfort. The chassis is reinforced compared to the standard A4 Avant to handle the increased power and torque. Braking duties are handled by ventilated discs at all four corners, providing ample stopping power. The anti-lock braking system (ABS) and electronic stability control (ESC) are standard features, enhancing safety and control.

Market Reception & Comparison

The S4 Avant (B8) was generally well-received by automotive critics, who praised its performance, handling, and practicality. It was often compared to other high-performance wagons, such as the BMW 335i xDrive Touring and the Mercedes-Benz C350 Estate. The S4 Avant offered a compelling combination of performance and refinement, making it a popular choice for buyers seeking a versatile and engaging driving experience. Fuel economy was reasonable for a performance wagon, averaging around 23.8 US mpg in combined driving. Reliability was generally good, although some owners reported issues with the supercharger and fuel pump.

Legacy

The S4 Avant (B8) 3.0 TFSI quattro remains a desirable used car today, appreciated for its performance, practicality, and relative rarity. The 3.0 TFSI engine is generally considered robust, but regular maintenance is essential to ensure long-term reliability. The supercharger can require servicing over time, and the fuel pump is a known potential failure point. Despite these potential issues, the S4 Avant (B8) continues to offer a compelling blend of performance and usability, making it a popular choice for enthusiasts seeking a high-performance wagon.