The Audi TT Coupe (8S) 2.0 TDI quattro S tronic represents a compelling blend of performance and efficiency within the third generation (8S) of Audi’s iconic sports coupe. Produced from 2014 to 2018, this variant offered a diesel-powered option for buyers seeking a more economical alternative to the gasoline-fueled TT models, while still benefiting from Audi’s renowned quattro all-wheel-drive system and the convenience of an automatic transmission. It occupied a mid-range position in the 8S TT lineup, appealing to drivers who prioritized fuel economy and refined driving experience over outright speed.
Technical Specifications
| Brand | Audi |
| Model | TT |
| Generation | TT Coupe (8S) |
| Type (Engine) | 2.0 TDI (184 Hp) quattro S tronic |
| Start of production | 2014 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 3 |
| Fuel consumption (urban) | 6.1-6.2 l/100 km (38.6 – 37.9 US mpg, 46.3 – 45.6 UK mpg, 16.4 – 16.1 km/l) |
| Fuel consumption (extra urban) | 4.7-4.9 l/100 km (50 – 48 US mpg, 60.1 – 57.6 UK mpg, 21.3 – 20.4 km/l) |
| Fuel consumption (combined) | 5.2-5.4 l/100 km (45.2 – 43.6 US mpg, 54.3 – 52.3 UK mpg, 19.2 – 18.5 km/l) |
| CO2 emissions | 137-142 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.7 sec |
| Acceleration 0 – 62 mph | 6.7 sec |
| Acceleration 0 – 60 mph | 6.4 sec |
| Maximum speed | 234 km/h (145.4 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.5 kg/Hp, 133.8 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 276.4 Nm/tonne |
| Power | 184 Hp @ 3500-4000 rpm |
| Power per litre | 93.5 Hp/l |
| Torque | 380 Nm @ 1750-3250 rpm (280.27 lb.-ft. @ 1750-3250 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | CUNA |
| Engine displacement | 1968 cm3 (120.09 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 95.5 mm (3.76 in.) |
| Compression ratio | 15.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4.6 l (4.86 US qt | 4.05 UK qt) |
| Coolant | 12 l (12.68 US qt | 10.56 UK qt) |
| Kerb Weight | 1375 kg (3031.36 lbs.) |
| Max. weight | 1775 kg (3913.21 lbs.) |
| Max load | 400 kg (881.85 lbs.) |
| Trunk (boot) space – minimum | 305 l (10.77 cu. ft.) |
| Trunk (boot) space – maximum | 712 l (25.14 cu. ft.) |
| Fuel tank capacity | 55 l (14.53 US gal | 12.1 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Length | 4177 mm (164.45 in.) |
| Width | 1832 mm (72.13 in.) |
| Width including mirrors | 1966 mm (77.4 in.) |
| Height | 1353 mm (53.27 in.) |
| Wheelbase | 2505 mm (98.62 in.) |
| Front track | 1572 mm (61.89 in.) |
| Rear (Back) track | 1552 mm (61.1 in.) |
| Front overhang | 884 mm (34.8 in.) |
| Rear overhang | 788 mm (31.02 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle | 10.96 m (35.96 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission S tronic |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/50 R17; 245/45 R17; 245/40 R18; 245/35 R19; 255/30 R20 |
| Wheel rims size | 8J x 17; 18; 19; 20 |
Powertrain & Engine Architecture
The heart of the TT 2.0 TDI quattro S tronic is the CUNA engine, a 2.0-liter inline-four cylinder diesel engine. This engine utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. A turbocharger with an intercooler is employed to boost power output and improve efficiency. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its responsive nature. The engine’s 15.8:1 compression ratio is typical for a modern diesel, aiding in thermal efficiency. Paired with this engine is Audi’s S tronic 6-speed dual-clutch automatic transmission. This transmission offers quick, seamless shifts and contributes to the car’s overall sporty feel. The quattro all-wheel-drive system distributes power between the front and rear axles as needed, enhancing traction and stability, particularly in adverse weather conditions.
Driving Characteristics
The 184 horsepower and 280 lb-ft of torque produced by the 2.0 TDI engine provide a respectable level of performance for the TT Coupe. Acceleration from 0 to 60 mph takes approximately 6.4 seconds, making it quicker than some of its gasoline-powered counterparts. However, it doesn’t match the pace of the more powerful TT models like the 2.0 TFSI. The S tronic transmission’s gear ratios are tuned for a balance of acceleration and fuel economy. In everyday driving, the engine feels responsive and provides ample torque for effortless cruising and overtaking. The quattro system provides excellent grip and stability, inspiring confidence in various driving conditions. Compared to the manual transmission versions, the S tronic offers greater convenience, especially in urban environments, but some enthusiasts might miss the engagement of a manual gearbox.
Equipment & Trim Levels
The 2.0 TDI quattro S tronic typically came equipped with a generous array of standard features. These included leather upholstery, automatic climate control, a multi-function steering wheel, and Audi’s MMI infotainment system with a central display screen. Standard safety features included ABS, electronic stability control, and multiple airbags. Optional extras included features like navigation, a premium sound system, sport seats, and various exterior styling enhancements. The interior trim levels varied, with options for different materials and finishes. The overall interior design was modern and driver-focused, reflecting Audi’s commitment to quality and ergonomics.
Chassis & Braking
The TT Coupe (8S) utilizes a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable yet sporty ride. The suspension is tuned to balance handling precision with everyday comfort. The 2.0 TDI models typically featured ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) is standard, enhancing braking performance and stability. The steering is a rack-and-pinion system with electric power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The Audi TT 2.0 TDI quattro S tronic was generally well-received by automotive critics. It was praised for its fuel efficiency, refined driving experience, and the added security of the quattro all-wheel-drive system. Compared to the gasoline-powered TT models, the TDI offered significantly better fuel economy, making it an attractive option for drivers who prioritize running costs. However, some critics noted that the diesel engine lacked the responsiveness and excitement of the TFSI engines. Compared to other diesel-powered coupes in its class, the TT TDI stood out for its stylish design, high-quality interior, and advanced technology.
Legacy
The CUNA engine, when properly maintained, has proven to be a reliable and durable powertrain. The S tronic transmission is also generally reliable, although regular servicing is essential. In the used car market, the TT 2.0 TDI quattro S tronic represents a good value proposition, offering a blend of performance, efficiency, and style at a relatively affordable price. However, potential buyers should be aware of the potential maintenance costs associated with diesel engines, such as diesel particulate filter (DPF) maintenance. Overall, the 2.0 TDI quattro S tronic remains a desirable and well-regarded variant of the Audi TT Coupe (8S).
