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Audi RS3 Sedan coming to America with over 400 hp?

The Mercedes-Benz CLA45 AMG is a fast, competent car. It's significantly sharper than the Audi S3, and it should be, since its starting price is around $7,000 more. Still, getting walloped by the higher-performing CLA45 AMG must irk some people at Audi, we'd think, which might explain why there are rumors that the S3's big brother is coming to town. Yes, reports are popping up from an Audi of America employee that the Audi RS3 would transition from its Euro-market Sportback body style to a more conventional four-door, and that its styling would be updated in the process. Oh, and it'll have a 400-plus-horsepower, 2.5-liter, five-cylinder turbo with which to bash the four-cylinder AMG. The report comes from Quattro World by way of CarScoops, and goes on to claim that Audi hallmarks like Quattro all-wheel drive and a seven-speed S-Tronic dual-clutch transmission will both be present. The new RS3 Sedan would arrive on US shores in 2017 as a 2018 model, with prices starting between $55,000 and $60,000. That should make Mercedes-AMG very nervous – the CLA45 may start around $50,000, but getting it past the $60,000-range is simple (your author was driving a nearly $68,000 CLA45 just last month, for example). Naturally, we have a call in with Audi of America to see if there's any credence to this report. Stay tuned for updates. Related Video:

Mercedes spotted prepping new S63 AMG Cabrio

If the market for convertibles is on the decline, nobody seems to have told the fellas over at Mercedes-Benz. The German automaker keeps adding more droptops to its lineup, and soon it will have one more on its hands in the form of the new S-Class Cabriolet. And here we have photos of the new flagship cabrio getting ready for its big debut – but not in just any old form. This would appear to be the new S63 AMG convertible. As the S-Class Coupe is already out there in various states of tune, we're not expecting any major surprises from the new convertible. Look for a folding fabric roof mechanism to open up a spacious four-seat cabin. A car with which Benz can attack the likes of the Bentley Continental GTC especially, but also the Maserati GranTurismo Convertible, Aston Martin DB9 Volante, and the upcoming Rolls-Royce Dawn (the drophead version of the Wraith). The AMG version ought to help that effort even more, complete with Affalterbach's 5.5-liter twin-turbo V8, fully expected to pack the same 577 horsepower and 664 pound-feet of torque as the other S63 models. We're anticipating Daimler to take the wraps off the S-Class cabrio at the upcoming Frankfurt Motor Show, but we'll have to wait to see if the AMG version appears alongside it or follows at some later date. Related Video:

Formula 1 seeking independent engine supplier

Formula 1 could get a new engine supplier in the near future, if Bernie Ecclestone and the independent teams gets their way. According to Autosport, the FIA is soon to open the contract up for bids, and there are already several manufacturers that have expressed interest. Currently Mercedes, Ferrari, Renault, and Honda supply engines – both to their own premier teams (Red Bull and McLaren for the latter two) but also to other teams like Williams, Sauber, and Toro Rosso. Because the new turbocharged V6 hybrid power units cost those four suppliers so much to develop, they're charging their customer teams big bucks – around $20-30 million per season – to provide the engines. These costs are much higher than the $10 million or so it used to cost to purchase a V8 engine under the previous regulations. Ecclestone figures it's time to bring in another supplier who will not run their own team and not play favorites, but will supply engines to private teams at a lower cost. There are already a number of potential suppliers under consideration. One of them is said to be Cosworth, which has a long history in the series stretching back to 1963. The British firm stepped back between 2007 and 2009, returned in 2010, and dropped out again after 2013. The development could be of particular benefit to Red Bull, which has been unable to find an engine supplier and could be forced out of the series as a result. The team has long been powered by Renault, but that relationship has grown sour. And the other three engine manufacturers have not been forthcoming in offering an alternative arrangement for the team. Related Video: News Source: AutosportImage Credit: Cosworth Motorsports Ferrari Honda Infiniti McLaren Mercedes-Benz Renault F1 engine contract