2009-2011 Audi A5 Cabriolet (8F7) 2.0 TDI (170 Hp)

The Audi A5 Cabriolet (8F7) 2.0 TDI, producing 170 horsepower, was a key variant in Audi’s open-top luxury range from 2009 to 2011. Positioned as a fuel-efficient alternative within the A5 Cabriolet lineup, it offered a blend of style, comfort, and reasonable running costs. This model occupied a middle ground, appealing to buyers who desired the A5 Cabriolet experience without the higher price tag and performance of the more powerful engine options. It was built on the Audi A4/A5 (B8) platform, known internally as the 8F series for the Cabriolet.

Technical Specifications

INTRODUCTION

The Audi A5 Cabriolet 2.0 TDI (170 Hp) debuted in May 2009 as part of the 8F7 generation, representing Audi’s foray into a more efficient open-top experience. It was designed to broaden the appeal of the A5 Cabriolet, offering a lower entry point for customers prioritizing fuel economy and everyday usability. This variant utilized a turbocharged diesel engine paired with a six-speed manual transmission, providing a balance between performance and efficiency. It sat below the more powerful 2.0 TFSI petrol and 3.0 TDI diesel models in the A5 Cabriolet range.

Powertrain & Engine Architecture

At the heart of the A5 Cabriolet 2.0 TDI was the CAHA engine, a 1968cc inline-four cylinder diesel. This engine featured common rail direct injection, delivering fuel at extremely high pressure for optimized combustion. A turbocharger with an intercooler was employed to boost power output and improve torque across a wider rev range. The engine utilized a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, enhancing breathing and contributing to its efficiency. The 170 horsepower peak was achieved at 4200 rpm, while the substantial 350 Nm (258 lb-ft) of torque was available from 1750 to 2500 rpm. The six-speed manual transmission was chosen for its efficiency and driver engagement, offering precise gear changes. The gear ratios were tuned to maximize fuel economy and provide adequate acceleration.

Driving Characteristics

The 2.0 TDI 170 hp variant of the A5 Cabriolet offered a comfortable and refined driving experience. While not overtly sporty, it provided sufficient power for everyday driving and cruising. Acceleration from 0-60 mph took approximately 8.8 seconds, and top speed was rated at 137.94 mph. The engine’s strong low-end torque made it easy to navigate city streets and overtake on the highway. Compared to the more powerful petrol and diesel options, the 2.0 TDI felt less urgent in its acceleration, but the difference was often negligible in real-world conditions. The manual transmission allowed for greater driver control, but the gear ratios were optimized for fuel efficiency rather than outright performance. The Cabriolet’s soft top provided a reasonably quiet cabin experience, even at higher speeds.

Equipment & Trim Levels

The A5 Cabriolet 2.0 TDI typically came equipped with a respectable level of standard features. These included automatic climate control, a multi-function steering wheel, electric windows, and an audio system with CD player. Upholstery was generally cloth, although leather options were available as upgrades. Common optional extras included navigation system, parking sensors, heated seats, and a wind deflector to reduce turbulence in the cabin with the top down. Trim levels varied depending on the market, but generally followed a progression from SE to Sport, with higher trims offering more luxurious appointments and additional features. The interior design was typical of Audi at the time, characterized by a clean, minimalist aesthetic and high-quality materials.

Chassis & Braking

The A5 Cabriolet 2.0 TDI utilized an independent multi-link suspension system at both the front and rear, providing a comfortable ride and good handling characteristics. The front suspension featured coil springs and stabilizer bar, while the rear suspension also incorporated a stabilizer bar to reduce body roll. Braking duties were handled by ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System) for enhanced safety. The steering was a rack and pinion system with electric power assistance, offering precise and responsive control. The car’s weight distribution was relatively balanced, contributing to its stable handling.

Market Reception & Comparison

The Audi A5 Cabriolet 2.0 TDI was generally well-received by automotive critics. It was praised for its stylish design, comfortable ride, and fuel efficiency. However, some reviewers noted that the engine lacked the outright performance of the more powerful options. Compared to the 2.0 TFSI petrol variant, the 2.0 TDI offered significantly better fuel economy, but at the expense of some performance. Against the 3.0 TDI, it provided a more affordable entry point into the A5 Cabriolet range, but with less power and refinement. The 2.0 TDI proved popular with buyers seeking a practical and economical open-top car.

Legacy

The CAHA engine, found in the A5 Cabriolet 2.0 TDI, is generally considered a reliable unit, provided it has been properly maintained. Common issues include diesel particulate filter (DPF) clogging, particularly on vehicles used primarily for short journeys. Regular oil changes and the use of high-quality fuel are essential for long-term reliability. On the used car market, the A5 Cabriolet 2.0 TDI represents a relatively affordable entry point into Audi’s premium open-top range. Its fuel efficiency and reasonable running costs make it an attractive option for buyers seeking a stylish and practical convertible.