2016-2018 Audi A5 Cabriolet (F5) 3.0 TDI (218 Hp) quattro S tronic

Technical Specifications

The Audi A5 Cabriolet (F5) 3.0 TDI quattro S tronic, launched in 2016, represents a sophisticated blend of open-air motoring and diesel performance within the fifth generation of Audi’s A5 line. Built on the Volkswagen Group’s MLB Evo platform (shared with the B9 Audi A4), the F5 A5 Cabriolet represented a significant step forward in terms of technology, refinement, and driving dynamics compared to its predecessor. The 3.0 TDI variant, powered by the CSWB engine, was positioned as a premium offering, appealing to buyers who desired strong performance, good fuel economy, and the security of all-wheel drive. It was sold primarily in European markets and regions with favorable diesel policies.

Powertrain & Engine Architecture

At the heart of the A5 Cabriolet 3.0 TDI lies the CSWB engine, a 3.0-liter V6 turbocharged diesel. This engine is a member of Audi’s modular engine family and features a cast iron block, aluminum cylinder heads, and a sophisticated common-rail direct injection system operating at pressures up to 2,500 bar. The engine utilizes a variable geometry turbocharger (VGT) and an intercooler to optimize boost pressure and improve efficiency. The valvetrain employs double overhead camshafts (DOHC) with four valves per cylinder. The engine produces 218 horsepower at 4000-5000 rpm and a substantial 400 Nm (295 lb-ft) of torque between 1250 and 3750 rpm. This broad torque curve is a hallmark of modern diesel engines, providing strong acceleration in everyday driving situations.

The “S tronic” transmission is a seven-speed dual-clutch transmission (DCT) that delivers rapid and smooth gear changes. This transmission is known for its efficiency and responsiveness, contributing to the car’s overall performance and fuel economy. The quattro all-wheel-drive system utilizes a Torsen center differential, distributing torque between the front and rear axles as needed to maximize traction.

Driving Characteristics

The 3.0 TDI S tronic combination in the A5 Cabriolet delivers a refined and capable driving experience. The abundant torque allows for effortless cruising and strong acceleration, making overtaking maneuvers easy and safe. While not as overtly sporty as some of the petrol-powered A5 variants, the 3.0 TDI offers a more relaxed and comfortable driving style. The S tronic transmission provides quick shifts, and the quattro system ensures excellent grip in all weather conditions. The gear ratios are tuned for a balance of performance and fuel efficiency, with taller gears for highway cruising and shorter gears for quicker acceleration. Compared to the 2.0 TDI variants, the 3.0 TDI offers significantly more power and torque, resulting in a more responsive and engaging driving experience. Compared to manual transmission versions, the S tronic provides convenience and quicker shifts, though some enthusiasts may prefer the greater control of a manual gearbox.

Equipment & Trim Levels

The A5 Cabriolet 3.0 TDI typically came well-equipped, reflecting its mid-to-premium positioning. Standard features often included leather upholstery, three-zone automatic climate control, a multi-function steering wheel, and Audi’s MMI infotainment system with a central display screen. Optional extras included features like navigation, a premium sound system (Bang & Olufsen), adaptive cruise control, and various driver assistance systems. Interior trim options varied, with choices in wood, aluminum, or carbon fiber accents. The Cabriolet also featured a fully automatic fabric soft top, which could be raised or lowered at speeds up to 50 km/h (31 mph).

Chassis & Braking

The A5 Cabriolet’s chassis features an independent multi-link suspension at both the front and rear, providing a comfortable ride and precise handling. The suspension is tuned to balance comfort and control, offering a good compromise between sporty handling and everyday usability. The front brakes are ventilated discs, while the rear brakes are solid discs. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard features, enhancing safety and stability. Stabilizer bars are fitted to both axles to reduce body roll during cornering.

Market Reception & Comparison

The Audi A5 Cabriolet 3.0 TDI was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and sophisticated interior. The combination of diesel power and all-wheel drive was seen as a particularly appealing feature for buyers in regions with challenging weather conditions. Fuel economy was also a strong point, with the 3.0 TDI offering significantly better mileage than the petrol-powered alternatives. Compared to the 2.0 TDI models, the 3.0 TDI was considered a worthwhile upgrade for those who prioritized performance and refinement. However, some critics noted that the diesel engine lacked the sporty character of the petrol engines.

Legacy

The 3.0 TDI engine, in various iterations, has proven to be a reliable and durable powertrain. While diesel engines have faced increased scrutiny in recent years due to emissions concerns, the CSWB engine is generally considered to be relatively clean and efficient for its time. On the used car market, the A5 Cabriolet 3.0 TDI remains a desirable option for buyers seeking a stylish and capable open-top tourer. Maintenance costs are generally reasonable, although diesel particulate filter (DPF) maintenance should be considered, particularly for vehicles that are primarily driven on short journeys. The A5 Cabriolet 3.0 TDI represents a well-engineered and refined example of a diesel-powered luxury convertible.