2012 Jaguar Xkr Coupe Supercharged One-owner 13,105 Miles White on 2040-cars

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40+ cars that barely avoid the gas guzzler tax

The Gas Guzzler schedule, with mpg ratings and charges that haven't changed since 1991, lays out which fuel-swillers owe what to Uncle Sam.
I started thinking about the "Gas Guzzler Tax" - considerably less well known as The Energy Tax Act of 1978 - when I was driving Dodge's new Challenger SRT Hellcat last week. Unsurprisingly for a car that can burn 1.5 gallons of gas per minute at max tilt, theoretically able to empty a full tank of premium in about 13 minutes, the Hellcat will be subject to the Gas Guzzler Tax schedule when it goes on sale.

2016 Jaguar XJ sedan revealed

Jaguar has been steadily updating its sedan lineup, launching the entry-level XE and a new version of the mid-range XF – and now it's revealed an refreshed version of its flagship XJ. A facelifted version of the existing model (which was first launched in 2009 and arrived in the US in 2011), the 2016 Jaguar XJ benefits from a few key enhancements to keep it current. The principal visual updates revolve around the exterior lighting, which now includes full LED headlights, new daytime running lights and redesigned LED tail lights. There are new oval exhaust tips as well, but some of the most vital updates have been carried out inside. The refreshed interior includes a new InControl Touch Pro touchscreen infotainment system, with multi-touch control and backed up by a 60-gig solid-state hard drive. A new 17-speaker Meridian sound system comes standard, and the instrument cluster has been redesigned as well. The XJ also benefits from Jaguar's All-Surface Progress Control system and a raft of driver assistance features. Rear-drive models also get a new electric power-assisted steering rack and semi-automated parking system. Between engine options, drivetrain choices, wheelbase lengths, and trim levels, the updated XJ continues to offer an array of configurations – and Jaguar has worked to further differentiate them from one another. The base model carries the 340-horsepower, 3.0-liter, supercharged V6 and can be specified with rear- or all-wheel drive. There are regular and long wheelbase versions, and in R-Sport and Portfolio trim lines (the former now coming standard in the shorter car). Though the entire range is supercharged, the model designated as the XJ Supercharged packs a 470-hp version of the company's celebrated 5.0-liter force-fed V8, while the performance flagship XJR packs the same engine but with 550 hp (once again in either wheelbase) and now comes standard with the Black Pack. The 2016 Jaguar XJ is slated to reach US showrooms this fall. The updates will surely go a long way towards keeping Coventry's flagship sedan in the game for longer until an all-new model is ready. The question is whether these updates will be enough to keep the XJ competitive against the newer BMW 7 Series, Mercedes S-Class, and Maserati Quattroporte. Or for that matter with the Audi A8 that's just as old but was also recently refreshed, or the Lexus LS that's been around for longer with similar updates along the way.

Lunaz electrifying classic cars with coachbuilt, millimeter precision

One day last year, as David Lorenz waited by the side of the road for repair help with his classic car, he had an idea: Why not update all of that ancient mechanical "character" with a modern electric drivetrain? That would give an owner the beauty of the past, the mechanicals of the present, and the powertrain of the future. Jaguar does it with the E-Type Zero, and Aston Martin's in the game with the reversible EV powertrain swap for the DB6 Volante. And so Lorenz founded the British engineering firm Lunaz Design, named after his daughter Luna and headquartered at the Silverstone Technology Park. The company's first products are almost ready for order, starting with a 1953 Jaguar XK120 and a 1961 Rolls-Royce Phantom V. Lunaz conversions aren't a matter of pulling an engine and installing a battery pack; Lunaz reengineers classics. Managing Director Jon Hilton oversees a team bringing experience from carmakers such as Aston Martin, Ferrari, Jaguar, McLaren, and Rolls-Royce, with Hilton's resume including six years with Cosworth Engineering followed by eight years in Formula One. To develop the Lunaz offerings, a chosen car is stripped to the metal and weighed so that engineers understand the weight distribution at each corner, then the car is stripped to the chassis and 3D-scanned. This yields information allowing designers to create a powertrain that fits to the millimeter and stays true to the handling dynamics of the original vehicle. During the rebuild, the company says, any imperfections are remedied "using traditional coachbuilding techniques." The Jaguar and the Rolls-Royce get battery packs in two locations, one under the hood and one under the trunk floor. Lunaz says it can fit more battery for its in-house design into each car that way. The Jaguar's 80-kWh battery feeds two electric motors sending 375 horsepower and 516 pound-feet of torque to the rear wheels. The Phantom V uses a 120-kWh battery pack, but its output hasn't been released. While remaining true to the exterior and interior design of each car, Lunaz fits LED lights and modern tires, a modern suspension, better brakes with regenerative braking, power steering, an upgraded propshaft, and a fly-by-wire throttle. Safety and comfort additions include cruise control, traction control, and anti-lock brakes. Inside, the instrument cluster gets battery gauges, there's modern climate control, an infotainment screen with satellite navigation, and a Wi-Fi hotspot.