Audi engineers have made smart blend of materials and technology to bring considerable weight saving in its latest TT ultra quattro concept to prepare it for its debut at the upcoming Worthersee show. The new TT 2.0 TFSI Coupe Concept has dropped an incredible 300 kg and gained around 310 PS power upgrade. The show car combines its potent petrol engine with its four-wheel-drive system to hit 0-62 mph in 4.2 seconds and a top speed of over 173 mph while weighing just 1,111 kg. There’s also a 2.0-litre turbo that produces 305 bhp, with modifications to the crankcase, the crankshaft, the balancer shafts, the flywheel, the sump, the bolts and certain ancillary units that further helps to reduce the unit’s weight by 25 kilograms.

TT Ultra’s body structure had dropped off another 43 kg with the help of optimised detachable body parts. Besides it, the use of carbon-fibre reinforced polymer