Engine and gearbox
Below the TTS, the TT is offered in Sport and S line trims and there’s a choice of 227bhp 2.0-litre TFSI petrol or 182bhp 2.0-litre TDI Ultra diesel engines. The petrol engine comes with either a six-speed manual gearbox matched to front-wheel drive or quattro all-wheel drive with S tronic dual-clutch transmission, while the Ultra diesel is exclusively offered in front-wheel drive with the manual gearbox. It emits just 110g/km of CO2.
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Other diesels have recently been made available with all-wheel drive, which improves accelerative performance but mostly improves traction in poor weather. Both coupe and Roadster versions are now available with the diesel and all-wheel drive combination.
As for performance, the 2.0 TDI diesel will get it to 62mph in 7.1 seconds while the 2.0 TFSI petrol unit – as found the more powerful versions of the Golf GTI – hits the same speed from rest in 6.0sec in front-wheel drive form or just 5.3sec if you go for the all-drive quattro with its dual-clutch gearbox.
A manual transmission is standard in the TTS, with an S-tronic transmission incorporating launch control available as an option. The dual-clutch 'box does a better job of suiting the car's functional demeanor, although don't be put off with speccing the manual as despite being slightly vague, it's not a particularly bad gearbox and adds more engagement to a fairly sterile car.
The S-Tronic (Audi’s name for DSG) gearbox has good, snappy shifts and although we have come to expect more than six-speeds in automatic or dual clutch gearboxes these days, it is rather nice not having to shift down through quite so many ratios when you come to activate the paddles attached to the steering wheel. We would still recommend the manual ‘box, however, as the TTS needs the interaction of three pedals in order to feel at its most involving.
The TT RS generated 394bhp and 354lb ft of torque from an inline five-cylinder motor. 0-60mph takes 3.7 sec in the coupe and 3.9 sec in the convertible. It's available with a dual-clutch gearbox only. It's a fantastic engine, with a spine-tingling whip-crack soundtrack that elevates the RS to another level above the TT S.
Performance might even exceed Audi's own claims, with a brief test on the RS's launch revealing a 3.4 second sprint to 60mph. Either way, the engine and gearbox is a potent combination, delivering near supercar performance to the TT RS.