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Porsche 911 tops a list of must-have classics, but No. 2 is more of a surprise

No surprise here: In Europe, the Porsche 911 is the most sought-after classic car. Surprise here: Slip-streaming the 911 in the most sought-after chart compiled by the Car & Classic marketplace is the Ford Mustang. Using the Google search engine as a means to pick the winners, as well as the average prices achieved on the “Car and Classic” website, the venerable 911 was tagged 1.45 million times per month according to data stretching back 15 years. The number of 911Â’s sold though the C&C marketplace was 21,141, at an average price of 58,409 pounds, or $74,300. FordÂ’s pony car, still a popular choice for buyers in Europe, placed second on the list with 1.2 million monthly searches. The average sales price over 15 years was 31,107 pounds ($39,570), and the number of older Mustangs sold reached a total of 8,332. Models that also finished among the charted top 10 include the Land Rover Range Rover, the Corvette, the ultra-classic British favorite Jaguar E-Type and the BMW 3 Series. “Whilst a 1973 Porsche 911 Carrera 2.7 RS could set you back the best part of GBP500,000 ($636,000), there are many more affordable models, which bring the average sale price of a 911 on Car & Classic to GBP58,000 ($73,800) – the third highest average selling price of any make and model on the site,” explained Dale Vinten of Car & Classic. According to the site, the Jaguar fetched the highest average selling price: a whopping 89,000 pounds, or $113,000. But thatÂ’s peanuts compared to a Series 1 Roadster in excellent condition, said Vinten. For that, “you can expect to spend up to GBP250,000 ($318,000), A Series 2 or 3 will cost less, as they are not as desirable, but in decent condition you can expect to pay around GBP40,000-GBP50,000. Even a barn find 1969 E-Type Series 2 Roadster can set you back to the tune of GBP33,000 ($42,000)." Launched in 2005, Car & Classic is among EuropeÂ’s most popular classic car clearinghouses. It also runs a stand-alone auction site.

GM natural gas-powered vans recalled due to possible leak

General Motors is recalling almost 3,200 of its compressed-natural-gas powered utility vans because of possible leaks. GM and the National Highway Traffic Safety Administration (NHTSA) released a notice last week saying that 3,196 Chevrolet Express and GMC Savana CNG vans are on recall, though no accidents have been reported due to the possible issue. The recall is specifically for vans for model years ranging from 2011 to 2014. The recall stems from a potential leak from the compressed natural gas high-pressure regulator, and such a leak could cause a fire or explosion. GM will replace the vehicles' high-pressure regulator in order to fix the problem, will do it free of charge and is instructing owners to contact Chevrolet or GMC customer service to arrange for the parts replacement. Utility vehicle makers like General Motors have pushed for fleet sales of CNG-powered vans and trucks for the past few years and have touted them for their cheaper refueling costs relative to standard gasoline, not to mention the fact that natural gas can be readily sourced from throughout North America (thanks, fracking). According to CNGPrices.com, compressed natural gas sells for about $2.22 a gallon, on average, while the AAA is pegging the average price of gas at $3.34 a gallon. NHTSA has posted information on the recall here. Featured Gallery News Source: NHTSA via Reuters Green Chevrolet GM GMC Natural Gas Vehicles CNG gmc savana

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.