The Audi TT Roadster (8J) facelift, specifically the 1.8 TFSI variant paired with the S tronic dual-clutch transmission, was produced from 2010 to June 2014. This model represented a mid-range offering within the second-generation (8J) TT Roadster lineup, positioned between the base 1.8 TFSI with a manual transmission and the more potent 2.0 TFSI models. The facelift brought styling revisions, interior upgrades, and refinements to the engine and transmission for improved efficiency and driving dynamics. It aimed to deliver a balance of performance, fuel economy, and everyday usability in a stylish, compact roadster package, primarily targeting the European market, though limited imports reached North America.
Technical Specifications
| Brand | Audi |
| Model | TT |
| Generation | TT Roadster (8J, facelift 2010) |
| Type (Engine) | 1.8 TFSI (160 Hp) S tronic |
| Start of production | 2010 |
| End of production | June, 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Roadster |
| Seats | 2 |
| Doors | 2 |
| Fuel consumption (urban) | 8.6 l/100 km (27.4 US mpg, 32.8 UK mpg, 11.6 km/l) |
| Fuel consumption (extra urban) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption (combined) | 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l) |
| CO2 emissions | 152 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.3 sec |
| Acceleration 0 – 62 mph | 7.3 sec |
| Acceleration 0 – 60 mph | 6.9 sec |
| Maximum speed | 223 km/h (138.57 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.1 kg/Hp, 123.1 Hp/tonne |
| Weight-to-torque ratio | 5.2 kg/Nm, 192.3 Nm/tonne |
| Power | 160 Hp @ 4500-6200 rpm |
| Power per litre | 89 Hp/l |
| Torque | 250 Nm @ 1500-4500 rpm (184.39 lb.-ft. @ 1500-4500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | CDAA |
| Engine displacement | 1798 cm3 (109.72 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82.5 mm (3.25 in.) |
| Piston Stroke | 84.1 mm (3.31 in.) |
| Compression ratio | 9.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4.6 l (4.86 US qt | 4.05 UK qt) |
| Coolant | 8.1 l (8.56 US qt | 7.13 UK qt) |
| Kerb Weight | 1300 kg (2866.01 lbs.) |
| Max. weight | 1620 kg (3571.49 lbs.) |
| Max load | 320 kg (705.48 lbs.) |
| Trunk (boot) space – minimum | 250 l (8.83 cu. ft.) |
| Trunk (boot) space – maximum | 700 l (24.72 cu. ft.) |
| Fuel tank capacity | 55 l (14.53 US gal | 12.1 UK gal) |
| Length | 4198 mm (165.28 in.) |
| Width | 1842 mm (72.52 in.) |
| Width including mirrors | 1952 mm (76.85 in.) |
| Height | 1358 mm (53.46 in.) |
| Wheelbase | 2468 mm (97.17 in.) |
| Front track | 1572 mm (61.89 in.) |
| Rear (Back) track | 1558 mm (61.34 in.) |
| Front overhang | 911 mm (35.87 in.) |
| Rear overhang | 819 mm (32.24 in.) |
| Drag coefficient (Cd) | 0.32 |
| Minimum turning circle | 10.96 m (35.96 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission S tronic |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 225/55 R16 |
| Wheel rims size | 7.5J x 16 |
INTRODUCTION
The Audi TT Roadster (8J) facelift, launched in 2010, represented a significant update to the already successful second-generation TT. The 1.8 TFSI S tronic variant occupied an important position in the range, offering a compelling blend of performance and efficiency. It was designed to appeal to buyers seeking a sporty, open-top experience without the higher running costs associated with the more powerful 2.0 TFSI models. Built on the Volkswagen Group’s PQ35 platform (also known as the A5 platform), the 8J TT Roadster aimed to provide a more refined and technologically advanced driving experience than its predecessor.
Powertrain & Engine Architecture
At the heart of the 1.8 TFSI S tronic Roadster lies the CDAA engine code, a 1.8-liter inline-four cylinder gasoline engine. This engine utilizes direct fuel injection (FSI) and a single turbocharger with an intercooler to deliver 160 horsepower and 184 lb-ft of torque. The direct injection system precisely meters fuel into the combustion chamber, improving efficiency and reducing emissions. The engine features a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for enhanced performance. The S tronic transmission is a seven-speed dual-clutch gearbox. This transmission offers incredibly fast and smooth gear changes, contributing to both performance and fuel economy. It operates in both automatic and manual modes, allowing the driver to choose their preferred level of control. The transmission’s programming is tuned for a balance between comfort and responsiveness.
Driving Characteristics
The 1.8 TFSI S tronic Roadster delivers a respectable driving experience. While not as overtly sporty as the 2.0 TFSI models, it provides ample power for everyday driving and enjoyable weekend excursions. Acceleration from 0-60 mph takes approximately 6.9 seconds, and the car reaches a top speed of 138.57 mph. The S tronic transmission plays a crucial role in maximizing the engine’s output, providing quick and seamless gear changes. The gear ratios are optimized for both acceleration and fuel efficiency. Compared to the manual transmission version of the 1.8 TFSI, the S tronic offers quicker acceleration and a more refined driving experience, but some purists may prefer the greater driver engagement of a manual gearbox. The front-wheel-drive configuration provides good traction in most conditions, but can exhibit some torque steer under hard acceleration.
Equipment & Trim Levels
The 1.8 TFSI S tronic Roadster typically came equipped with a generous array of standard features. These included leather upholstery, air conditioning, a multi-function steering wheel, and an Audi Concert audio system. Optional extras included navigation, heated seats, parking sensors, and upgraded alloy wheels. The interior design was characterized by its clean lines and high-quality materials. The dashboard featured a minimalist layout with circular air vents, a hallmark of the TT design language. Trim levels varied slightly depending on the market, but generally offered a range of customization options to suit individual preferences.
Chassis & Braking
The 8J TT Roadster utilized an independent suspension system on both the front and rear axles. The front suspension employed a McPherson strut design with coil springs and an anti-roll bar, while the rear suspension featured a multi-link setup with a stabilizer bar. This configuration provided a good balance between ride comfort and handling precision. Braking duties were handled by ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System) as standard. The braking system provided adequate stopping power for the car’s weight and performance.
Market Reception & Comparison
The 1.8 TFSI S tronic Roadster was generally well-received by automotive critics. It was praised for its stylish design, refined interior, and efficient powertrain. However, some reviewers noted that it lacked the outright performance of the 2.0 TFSI models. Compared to the 2.0 TFSI, the 1.8 TFSI offered better fuel economy and lower running costs, making it a more practical choice for everyday use. The 1.8 TFSI also proved to be more reliable than some of the earlier 2.0 TFSI engines, which were prone to carbon buildup issues. The S tronic transmission was also generally considered to be more reliable than the earlier DSG (Direct-Shift Gearbox) units.
Legacy
The Audi TT Roadster (8J) 1.8 TFSI S tronic has proven to be a relatively reliable and durable vehicle. The CDAA engine is known for its longevity, and the S tronic transmission, while requiring regular maintenance, is generally robust. In the used car market, these models represent a good value proposition, offering a stylish and enjoyable driving experience at an affordable price. Regular maintenance, including oil changes and transmission servicing, is crucial to ensure the long-term reliability of these vehicles. The 8J TT Roadster remains a popular choice among enthusiasts seeking a compact, sporty roadster with a touch of Audi refinement.
