BMW has unveiled its latest innovation, the 5-Series Gran Turismo. The combination of sedan, wagon and all-wheel drive was designed to bridge the gap between the 5-Series Touring and the 7-Series...present it! The BMW 5 GTBMW has unveiled its latest innovation, the 5-Series Gran Turismo. The combination of sedan, wagon and all-wheel drive was designed to bridge the gap between the 5-Series Touring and the 7-Series. The coupé-like roofline underlines the body’s sporting elegance. We tested the 535i model with a 3-liter 306 hp engine. Prices in Germany start at €55,700.compare it! Mercedes ML63 AMG - Porsche Cayenne GTS - VW Touareg R 50 Those for whom money and emissions are of secondary importance will be interested in the three power-SUVs we tested. The VW Touareg R50, Mercedes ML 63 AMG and Porsche Cayenne GTS have a combined output of 1000 hp and a weight of 7.5 tons. The AMG packs perhaps a little too much power, and has the worst environmental record. The Touareg has easily the best fuel economy, but ultimately it's the Cayenne GTS that boasts the best all-round package.collect it! The History of the Wankel Engine Walter Frey worships the Wankel engine. He owns what is probably the world's biggest and most exclusive collection of vehicles powered by the revolutionary rotary engine. But as well as cars, his museum also houses motorbikes, boats, saws and snowmobiles. The engine takes its name from the man who invented it over 50 years ago - German engineer Felix Wankel. 1964 saw the launch of the first car powered by a Wankel engine, an NSU Spyder. Many other manufacturers and models were to follow. The only commerical car currently available that is fitted with the engine is the Mazda RX 8, which is also Walter Frey's youngest exhibit.examine it! Halogen Lights Upgrade Some drivers of older cars feel that they are poorly equipped when it comes to driving at night during the winter. They might well be envious of modern models with far more effective headli...