Porsche has packed its new 911 Carrera 4S with next-generation technology, such as electronically controlled all-wheel traction and a self-adjusting gearbox… test it! – Porsche 911 Carerra 4S Convertible Porsche has packed its new 911 Carrera 4S with next-generation technology, such as electronically controlled all-wheel traction and a self-adjusting gearbox. The all-alloy, 3.8 litre engine now delivers 385 horsepower, propelling the convertible to 100 km/h in just 4.7 seconds, with a maximum speed of 295 km/h. The new Carrera 4S – more driving enjoyment with better fuel economy and fewer emissions.compare it! – Audi A5 vs. BMW 3 Series Coupé Audi has rolled out the A5, its challenger to the BMW 3 Series Coupé. There was a time when the words diesel and coupé seemed irreconcilable. Now they stand for the ultimate in driving pleasure and performance. BMW’s 3 Series is fitted with a six cylinder engine, which accelerates to 100 km/h in 6.6 seconds and tops out at 250 km/h. The A5 has the performance edge at 239 horsepower, and a zero-to-100 time of 5.9 seconds.picture it! – Futuristic Cars from Mercedes What will we be driving in the future? Mercedes-Benz is doing its best to answer that question. The concept F700 is built around the experimental “DiesOtto” engine. Dubbed “the diesel without diesel,” the car packs 238 horsepower but with fuel consumption of just six litres per 100 kilometers. The Electro-Smart is already on the London streets as a pilot project. drive it …