Many details in the profile of the new Coupé are reminiscent the first-generation design classic. The sill contour forms a strong line, the wide wheel arches form their own geometric body. The front arch breaks through the line of the hood, which continues above the door as a tornado line and runs to the tail. The flat glass housing acts like a body in its own right, while a slight bend in the rear side window emphasizes the powerful C-pillar. The fuel tank flap features a traditional circular shape and opens by touch. However, what is new is that there is no fuel tank cap beneath the flap, meaning that it is not necessary to unscrew anything. Instead, the filler nozzle fits directly into the tank filler pipe.
Again, at the tail, horizontal lines emphasize the solid road holding of the TT. The webs in the tail light clusters invoke the motif from the front headlights; they are permanently on – another innovation from Audi. The third brake light, in the form of a flat strip, connects the two units.
The Interior With its light, almost floating lines, the sports car character of the new Audi TT flows through to the interior. The console in the center tunnel and the door trims maintain these flowing forms. The slender instrument panel looks like the wing panel of an aircraft, when viewed from above; the round air vents, a classic feature of the TT, remind you of jet engines.
The body With its mixed material concept, the Audi TT body represents a new stage in the evolution of the Audi Space Frame (ASF) based on the MQB. The front section and the floor of the passenger compartment comprise numerous hot-stamped and high-strength steel components. The structure of the body and all the body shell parts and attachments are produced in the classic aluminum semi-finished processes of die cast nodes, press-drawn profiles and sheet metal.
As a result, the new TT is slightly lighter than its predecessor. With the 2.0 TFSI engine and manual transmission, the unladen weight of the Coupé (without driver) is just 1230 kilograms (2711.69 lb) – 50 kilograms (110.23 lb) lighter than before. For the second time in succession, Audi has reduced the weight of the TT.
The engines and transmissions (provisional figures) To start with, the new TT will be available with one TFSI and one TDI engine. At 135 kW (184 bhp) and 169 kW (310 bhp), both four-cylinder engines offer solid power, but their consumption figures been reduced compared with the second-generation TT. This also applies to the 228 kW (310 bhp) 2.0 TFSI, which powers the new TTS. A start/stop system is available as standard in all power units, while a sound actuator (part of Audi drive select) provides a sonorous sound.
The TT 2.0 TDI ultra, which will be available at launch with manual transmission and front-wheel drive, consumes on average only 4.2 liters of fuel over 100 km (56 US mpg) – equating to CO2 emissions of 110 grams per km (177.03 g/mile) and creating a new best value in the segment. As with all the engines in the new TT, the two-liter diesel, which delivers 135 kW (184 bhp) and 380 Nm (280.27 lb-ft) torque, fulfills the limits of the Euro 6 standard.
The 2.0 TFSI is available in two versions – in the TT with 169 kW (230 bhp) and 370 Nm (272.90 lb-ft) and in the TTS with 228 kW (310 bhp) and 380 Nm (280.27 lb-ft), in conjunction with an even sportier sound. The Audi TTS advances in the top performance range – it takes 4.7 seconds to accelerate from 0 to 100 km/h (62.14 mph), while the top speed, which is limited to 250 km/h (155.34 mph), is just a formality.
As standard, the 2.0 TFSI in the TT, as well as in the TTS, works with a manual six-speed transmission, or optionally with the six-speed S tronic. The dual clutch transmission changes gears at lightning speed and without any noticeable break in traction. In manual mode, the transmission can be controlled as required either by rocker switches on the steering wheel (a standard feature on the TTS) or using the selector lever. In efficiency mode in the Audi drive select dynamic driving system (another standard feature on the TTS), the S tronic engages freewheeling when the driver takes his foot of the accelerator pedal.
The quattro all-wheel drive The TT represents a new development stage for Audi in the quattro permanent all-wheel drive. Its electro-hydraulic multi-plate clutch, which is fitted on the rear axle for reasons of weight distribution, is compact and light. In regular driving, it sends power to the front wheels, and if required it can divert it at lightning speed to the rear axle. The electronic control system unites a new level of driving pleasure and safety: If the gears are shifted in a sporty fashion, the power tends to be directed to the rear axle; doing so really pushes the TT into the curve, while on a road with low friction, it permits controlled drifts.
Clutch management – another innovation – is incorporated into the Audi drive select control, which provides the comfort, auto, dynamic, efficiency and individual modes. The system controls the way the accelerator pedal and steering support works and also incorporates several optional modules. These include the S tronic and the adaptive suspension control Audi magnetic ride (standard on the TTS), which holds the compact sports car even closer to the road at the touch of a button.
The chassis The front suspension on the new Audi TT and TTS follows the McPherson principle; aluminum components reduce the weight of the unsprung masses. The four-link rear suspension can process the longitudinal and transverse forces separately. Progressive steering is standard, with its gear rack being designed to allow the transmission ratio to become more direct as the steering angle increases.
The Audi virtual cockpit and the MMI The Audi virtual cockpit, which replaces the analog instruments and the MMI monitor in the new TT, is a digital instrument cluster with versatile graphics and highly detailed displays. The driver can switch between two levels on the 12.3-inch monitor. In the classic view, the tachometer and the rev counter take pride of place, while in "Infotainment" mode, items like the navigation map are given center stage. The TTS also boasts a third display, which is dominated by the rev counter.
Newly developed from scratch, the whole operation concept is totally focused on the driver – corresponding to the sports car character of the Audi TT. Two variants of the multifunction steering wheel are available. In the top-of-the-range version, drivers can use it to control all functions, without having to take their eyes from the road.
The MMI terminal, which is also new, has six physical buttons. Using the touch pad on the top of the turn and press controller (optional), the driver can scroll through lists and maps, zoom and enter symbols. The menu structure is like that found on a smartphone, including free text search. All the major functions can be reached with just a few clicks, while the buttons on the side can be used to open up intelligently linked functions and options.
Audi will send out the new TT with a generous amount of standard equipment from launch. Special equipment, such as the convenience key, the main beam assist or the LED interior lighting package, is available as optional extras. The range of driver assistance systems include the "take a break" recommendation as standard, the Audi side assist, the Audi active lane assist, traffic sign recognition and park assist with surroundings display.