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Audi RS6 Avant and Mercedes-AMG E63 S drag race for Top Gear

Sometimes the kids are late for school, and you need a wagon to get them there in a hurry. In its latest drag race, Top Gear finds out which is the quicker high-performance family hauler: the Audi RS6 Avant or the Mercedes-AMG E63 S. The specs suggest this race should be quite close at the finish line. The RS6 has a 4.0-liter twin-turbo V8 with 552 horsepower, but the E63 S is a little more powerful with 577 hp from a 5.5-liter twin-turbo V8. However, the Audi has a traction advantage from the all-wheel drive system, whereas the Mercedes only spins its rear wheels. Pick your favorite, and then watch the video to see if the similar numbers translate to a photo finish in the real world. Related Video:

Mercedes-AMG expands V12 engine production to Mannheim

Mercedes-AMG may be downsizing some of its engines, but it hasn't given up on making V12s. In fact it has so much demand for them, and so little room to expand, that it is opening a new workshop at another location just to handle V12s. We take that as a good sign. That new location is the Daimler factory in Mannheim, in southwestern Germany, which is already dedicated to engine production and is located just an hour and a half from the Mercedes headquarters in Stuttgart and the main AMG workshop in neighboring Affalterbach. But although the assembly of its 12-cylinder engines is being moved, it will still be carried out under the "one man, one engine" philosophy that sees each motor built from start to finish by one highly skilled and specially trained AMG technician. The move will give AMG the capacity to build more of its V12 engines. But it will also make use of excess capacity at the Mannheim plant, and allow the Affalterbach site to use the space and technicians freed up by the V12 move to focus instead on V8s. Those concerned about AMG's ability to maintain its levels of quality and performance at a remote location might note that production of its turbocharged four-cylinder engines for the A45, CLA45, and GLA45 models is already carried out by MDC Power GmbH, a Daimler subsidiary in Kolleda, using the same philosophy. AMG's current 6.0-liter twin-turbo V12 engine produces a massive 621 horsepower and an even more impressive 738 pound-feet of torque. It's used in the SL65 roadster, G65 sport-ute, and S65 coupe and sedan... and maybe soon in the S65 cabrio as well. Come to think of it, a twelve-cylinder version of the new GLS seems like a good idea, too. And though Aston Martin is contracted to use AMG's eight-cylinder engines, the added capacity could get the creative juices from Gaydon flowing as well. Related Video: MERCEDES-AMG TO BUILD 12-CYLINDER ENGINES IN MANNHEIM Affalterbach. Due to strong demand for its high-performance automobiles, Mercedes-AMG is to start the assembly of its 12-cylinder engines in a new location at Daimler's site in Mannheim. The traditional AMG "one man, one engine" philosophy continues to hold true: each powerful AMG engine will be built completely by hand by just one engine fitter. The employees who currently assemble 12-cylinder engines at the AMG headquarters in Affalterbach will be shifted to the eight-cylinder engine lines.

The BMW M8 leads this month's list of discounts

Back in June of this year, the BMW 8 Series was the most heavily discounted vehicle in America. This month, it's the 617-horsepower M8. Midsummer buyers of the 2020 BMW M8, which is offered in hardtop, convertible and four-door Gran Coupe bodystyles, were seeing an average of $6,150 cut off the sticker; this month that figure has ballooned all the way to $16,864. That's more than 11% off the car's $150,000-plus retail price, and, according to data provided by TrueCar, it's the largest dollar amount sliced off the retail price of any car for the month of September. Next is the Maserati Quattroporte, buyers of which are saving $15,912 for an average transaction price of $99,763. If that's still too expensive, the smaller Ghibli's $70,030 average transaction price represents a huge 14.5% discount, earning the Italian sedan entry into our monthly top 10 best deals list.  The third largest monetary discount in September comes off the $131,066 sticker price of the lovely 2019 Mercedes-AMG GT. Take $15,473 off that sum for an average transaction price of $115,593. For a look at the best new car deals in America based on the percentage discount off their suggested asking prices, check out our monthly recap here. And when you're ready to buy, click here for the Autoblog Smart Buy program, which brings you a hassle-free buying experience with over 9,000 Certified Dealers nationwide. BMW Maserati Mercedes-Benz Car Buying Coupe Luxury Performance Sedan consumer best deals biggest discount