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Performance cars old and new are headed to auction at Las Vegas Grand Prix

Auction house RM Sotheby's is hosting a sale ahead of the 2023 Las Vegas Formula One Grand Prix, and most of the lots that will cross the block were designed with performance in mind. Whether you want a supercar or a Formula One car, there's a chance you'll find it in Sin City. One of the highlights from the sale in terms of rarity and price is the Mercedes-AMG Petronas W04 that Lewis Hamilton drove in the 2013 F1 season. Assigned chassis number F1W04-04, it's the team's last car powered by a naturally-aspirated V8 engine, and you're on the wrong track if you're thinking of the 4.0-liter unit that powers AMG's road cars. The engine in question is a 2.4-liter unit that develops 750 horsepower and is capable of revving to a screaming 18,000 rpm. The KERS system injects 80 additional horses into the driveline. Hamilton drove F1W04-04 in 14 of the 2013 season's 19 races, and he won that year's Hungarian Grand Prix in the car. RM Sotheby's notes that F1W04-04 is "the sole example to be sold outside of the Mercedes-Benz organization," which explains why it expects the car will sell for anywhere between $10 million and $15 million excluding the buyer's fee and a 2.5% import duty that applies to American residents. That's a lot of money, but modern Formula One cars rarely come up for sale. Several other cars are expected to sell above the $1 million mark, including a 1999 Mercedes-Benz CLK GTR ($8 million to $9 million), a 1988 Porsche 959 Komfort ($1,650,000 to $1,850,000), and a 1996 Bugatti EB110 Super Sport ($2,500,000 to $3,250,000). The 1990 Ferrari F40 GT (one of 21 units built) could bring up to $4 million. You can take home a rare, high-end classic even if you cap your budget at $1 million. How about a 1984 Lamborghini Countach 5000 S that was delivered new to Ralph Lauren and that has been in the hands of its second owner since 1986? RM expects the coupe will sell for up to $900,000. The auction house is also giving enthusiasts two distinctly different ways to spend a six-digit sum on a 30-something-year-old Mercedes-Benz. There's a 1990 190E 2.5-16 Evolution with about 3,400 original miles that could fetch up to $700,000. That's a lot to pay for a W201, but this isn't a run-of-the-mill Baby Benz: It's one of 502 examples built for homologation purposes. Alternatively, the 1989 560SEC AMG 6.0 Wide-Body could sell for up to $900,000. It's one of the most emblematic cars designed by AMG before it joined Mercedes-Benz.

2017 Porsche 911 gains AWD traction for its turbos [w/video]

The new 2017 Porsche 911 Carrera 4 (in all its numerous iterations) joins its downsized, turbocharged, rear-drive brethren, but adds the benefit of an electro-hydraulically controlled all-wheel-drive system. These latest additions to the 911 family feature all updates applied to the new Carrera, both cosmetic and functional. The rear-end bodywork is also widened by 1.7 inches, with a light strip running across the tail. There are two engine choices, but either way you're getting a 3.0-liter twin-turbo flat-six. The base version produces 370 horsepower and 331 pound-feet of torque, while the S model cranks up to 420 hp and 368 lb-ft. Then you'll need to choose your transmission: seven-speed manual or dual-clutch. Porsche Active Suspension Management (PASM) suspension comes standard, but the Sport Chrono package (which adds a 918-inspired drive mode selector switch on the steering wheel) is an option. Four-wheel steering is available on 4S models as well. And of course you'll need to choose between body-styles. There are three in all: coupe, convertible, or Targa – each available in either engine tune. Those are largely the same choices you'd have to have made for the previous models, but now they're faster and more powerful, while delivering up to 12-percent higher efficiency. Zero-to-60 times are down 0.3 seconds over the preceding, naturally aspirated models: the Carrera 4 is quoted at 3.9 seconds, and the 4S at just 3.6. Convertible and Targa models add 0.2 seconds to those times, with top speeds ranging from 178 to 189 miles per hour. Pricing for the US starts at $97,295 (with delivery) for the new 911 Carrera 4, and stretches all the way up to $123,595 for the Targa 4S. Don't feel the need to rush your decision though, as the all-wheel-drive 911s won't start hitting dealers Stateside until April of next year. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. THE PORSCHE 911 CARRERA 4 AND 911 TARGA 4 MODELS WITH NEW TURBOCHARGED ENGINES AND ENHANCED ALL-WHEEL DRIVE SYSTEMS ATLANTA, Oct. 6, 2015 -- With the new 2017 911 Carrera 4 and 911 Targa 4 models, the traction advantage courtesy of an enhanced all-wheel drive system is paired with innovative turbocharged engines that are more powerful and consume less fuel than their predecessors.

Is the skill of rev matching being lost to computers?

If the ability to drive a vehicle equipped with a manual gearbox is becoming a lost art, then the skill of being able to match revs on downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. The usefulness of rev matching in street driving is limited most of the time – aside from sounding cool and impressing your friends. But out on a race track or the occasional fast, windy road, its benefits are abundantly clear. While in motion, the engine speed and wheel speed of a vehicle with a manual transmission are kept in sync when the clutch is engaged (i.e. when the clutch pedal is not being pressed down). However, when changing gear, that mechanical link is severed briefly, and the synchronization between the motor and wheels is broken. When upshifting during acceleration, this isn't much of an issue, as there's typically not a huge disparity between engine speed and wheel speed as a car accelerates. Rev-matching downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. But when slowing down and downshifting – as you might do when approaching a corner at a high rate of speed – that gap of time caused by the disengagement of the clutch from the engine causes the revs to drop. Without bringing up the revs somehow to help the engine speed match the wheel speed in the gear you're about to use, you'll typically get a sudden jolt when re-engaging the clutch as physics brings everything back into sync. That jolt can be a big problem when you're moving along swiftly, causing instability or even a loss of traction, particularly in rear-wheel-drive cars. So the point of rev matching is to blip the throttle simultaneously as you downshift gears in order to bring the engine speed to a closer match with the wheel speed before you re-engage the clutch in that lower gear, in turn providing a much smoother downshift. When braking is thrown in, you get heel-toe downshifting, which involves some dexterity to use all three pedals at the same time with just two feet – clutch in, slow the car while revving, clutch out. However, even if you're aware of heel-toe technique and the basic elements of how to perform a rev match, perfecting it to the point of making it useful can be difficult.