Audi TT Coupé and TT Roadster

March 9, 2017
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Audi TT Roadster Audi TT Roadster

The third generation of the Audi TT design icon arrived on the market in 2014, and it continues to fascinate with the driving dynamics of a sports car. Its operating concept centered around its digital cockpit sets new standards of excellence.

Design and body
The Coupé is 4.18 meters (13.7 ft) long with a wheelbase of 2.51 meters (8.2 ft), and it has short overhangs. Audi designers reinterpreted the lines of the original TT of 1998 and added dynamic facets to the design. Audi offers optional headlights with LED technology or Matrix LED technology. The latter uses small individual LEDs that can be controlled to produce the high beam. Dynamic turn signals are another feature of the lighting system. The headlights are designed with a pattern of divider bars that emit the daytime driving lights. The tail lights also contain continually illuminated bars of light.

The body of the TT represents a new evolutionary stage of the Audi Space Frame (ASF). The occupant cell plus all the components of the outer shell and attached parts are made of aluminum. The TT 1.8 TFSI with a manual transmission sets the new benchmark for low weight at just 1,210 kg (2,667.6 lb) (without driver). With the S line exterior package, it attains a low drag coefficient (Cd) value of 0.29.

Drive system
Audi is offering the new generation TT with three turbocharged direct-injection engines. The TT 2.0 TDI ultra with 135 kW (184 hp) and 380 Nm (280.3 lb-ft) of torque needs only 4.6 liters of fuel per 100 kilometers (51.1 US mpg). This corresponds to CO2 emissions of 122 grams per kilometer (196.3 g/mi). Then there is the new 2.0 TDI quattro with 135 kW (184 hp), the 2.0 TFSI with 169 kW (230 hp) and 370 Nm (272.9 lb-ft) of torque, as well as the entry-level 1.8 TFSI engine with 132 kW (180 hp) and 250 Nm (184.4 lb-ft) of torque.

Engine lineup

  • 1.8 TFSI with 132 kW (180 hp)
  • 2.0 TFSI and 2.0 TFSI quattro with 169 kW (230 hp)
  • 2.0 TDI ultra and 2.0 TDI quattro with 135 kW (184 hp)

Combined fuel consumption in l/100 km: 6.6 – 4.6 (35.6 – 51.1 US mpg)
Combined CO2 emissions in g/km: 153 – 122 (246.2 – 196.3 g/mi)
(Figures vary depending on engine/transmission/wheels/tires)

As an option, the gasoline engines can be ordered together with the seven-speed S tronic, the six-speed S tronic and a new evolutionary stage of the quattro permanent all-wheel drive system. The hydraulic multi-plate clutch is configured for maximum energy efficiency, and the electronic control system elevates stability and driving pleasure to a new level: when the car is driven in a sporty way, the system literally presses the TT into a curve and allows controlled drifts on wet road surfaces.

Suspension
Management of the clutch is incorporated into the Audi drive select system that is available as an option. This system lets the driver control the operation of key technology modules in different modes. These modules include the adaptive damper control system Audi magnetic ride.

Other suspension highlights include progressive steering, four-link rear suspension and Electronic Stabilization Control (ESC). ESC functions include torque vectoring, which is activated in fast cornering – it optimizes handling as necessary by means of very slight brake interventions on the unloaded wheels on the inside of a curve.

Interior and controls
The interior of the new Audi TT has light, sporty styling. Viewed from above, the instrument panel resembles an airplane wing. The round air vents – a classic feature of the TT – incorporate all of the controls for the air conditioning system. The newly developed lightweight sport seats are mounted low. The luggage compartment of the 2+2 seater has a capacity of 305 to 712 liters (10.8 to 25.1 cu ft).

In the user interface concept, which is entirely focused on the driver, the Audi virtual cockpit replaces both the analog instrument cluster and the MMI monitor. The driver can toggle the 12.3-inch display between two different viewing modes. In the classic view, the speedometer and rev counter take center stage. In Infotainment mode, more space is given to aspects such as the navigation map.

The number of physical buttons on the MMI monitor has been limited to six. The top-of-the-range version also incorporates the MMI smart touchwheel – the round rotary touchpad in the top of the rotary/push-button control. The menu structure was inspired by a smartphone and includes a free-text MMI search function. The voice control system understands a large number of expressions from everyday speech.

Assistance systems and infotainment
The lineup of driver assistance systems for the new TT extends from Audi side assist to Audi active lane assist, and also includes traffic sign recognition, park assist with a display of the surroundings and a rearview camera.

At the top of the infotainment lineup is MMI navigation plus, the second generation high-performance modular infotainment platform. The supplementary Audi connect module uses high-speed LTE technology to bring the brand’s online services into the car, including the new online media streaming. The Bang & Olufsen Sound System utilizes a newly developed algorithm to reproduce audio signals with an even greater sense of space and precision.

Audi TT Roadster
The new Audi TT Roadster stands for purism in its most attractive form. The compact open-top two-seater is compelling in all aspects of its design, drive system, chassis and operation. The lightweight cloth top rounds off the car’s powerful appeal in perfect style.

Convertible top
In common with all of Audi’s convertibles, the new TT Roadster has a cloth top. Its flat, sleek line creates a perfect harmony with the sporty design, and customers can choose from three colors.

At 39 kilograms (86.0 lb), the soft top is very light and it doesn’t compromise the 280-liter (9.9 cu ft) luggage compartment. The standard electric drive system lowers or raises it in around 10 seconds, even while driving at speeds up to around 50 km/h (31.1 mph). The soft top has a taut fit, and thanks to its excellent sound insulation it earns the name “acoustic top.”

Audi can install a power extending mesh wind deflector and headroom heating for the S sport seats. The leather seat covers, another option, contain a special pigment that prevents their surfaces from heating up too much in the sun.

Body and design
The body of the new Audi TT Roadster, which has specially strengthened sills and A-pillars, is very light thanks to an intelligent mixed material construction approach that features a large share of aluminum. With the 1.8 TFSI, the open-top sports car has a curb weight (without driver) of just 1,300 kilograms (2,866.0 lb). In the event of a rollover accident, a pair of fixed-mount steel rollover bars is there to protect the occupants – another characteristic feature of the TT.

The design of the 4.18-meter (13.7 ft) long two-seater references many themes of the classic original model of the year 1999 while introducing some new, more angular facets. Take the headlights, for example. Available in optional LED or Matrix LED technology, they are technical and aesthetic masterpieces.

Drive system
Three four-cylinder engines are available for the new TT Roadster: the 1.8 TFSI, the 2.0 TFSI and the 2.0 TDI – optionally available as ultra or with quattro all-wheel drive. The Audi TT 2.0 TDI ultra impresses with an NEDC fuel consumption of just 4.7 liters per 100 kilometers (50.0 US mpg) and CO2 emissions of 126 grams per kilometer (202.8 g/mi).

Engine lineup

  • 1.8 TFSI with 132 kW (180 hp)
  • 2.0 TFSI and 2.0 TFSI quattro with 169 kW (230 hp)
  • 2.0 TDI ultra and 2.0 TDI quattro with 135 kW (184 hp)

Combined fuel consumption in l/100 km: 6.9 – 4.7 (34.1 – 50.0 US mpg)
Combined CO2 emissions in g/km: 158 – 126 (254.3 – 202.8 g/mi)
(Figures vary depending on engine/transmission/wheels/tires)

The 2.0 TDI ultra comes off the production line with manual transmission and front-wheel drive. The 1.8 TFSI is available on request with the seven-speed S tronic, while the 2.0 TFSI and
2.0 TDI quattro receives the six-speed S tronic and the newly developed quattro all-wheel drive system with more emphasized sporty characteristics.

Suspension
The TT Roadster brings together sophisticated solutions such as progressive steering and a

four-link rear suspension. The torque vectoring system rounds off the work of the quattro drive system. The Audi drive select vehicle dynamics system and the Audi magnetic ride damper control system are available as options.

Interior and equipment
The interior of the two-seater convertible is elegant, and it features new lean and lightweight sport seats. The ergonomic interior design focuses fully on the needs of the driver. The controls of the standard air conditioning system are integrated into the air vents, and the analog instrument cluster and MMI monitor are replaced by the digital Audi virtual cockpit.

The MMI terminal is limited to six buttons, and its menu structure follows an easy-to-understand logic. In combination with MMI navigation plus, the rotary/push-button control is equipped with a touchpad. Voice control via seat belt microphone and the multifunction steering wheel take operating comfort to an even higher level.

Complementing the top-of-the-range navigation system (MMI navigation plus) is the
Audi connect module, which uses the high-speed LTE standard to connect the new Audi TT Roadster to the internet. The Bang & Olufsen Sound System is the top model in the audio lineup.

The equipment, data and prices specified in this document refer to the model range offered in Germany. Subject to change without notice; errors and omissions excepted.

Original Article

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