2004 Jaguar Xj8 on 2040-cars

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This classic Jaguar XJ has a 720-hp ungentlemanly secret

Forget Tawny Kitaen. If you want to make a Jaguar XJ rock, just do what this guy did: stuff a heavily modified and turbocharged General Motors V8 under the hood, and take it to the track.
The video calls this Series 1 XJ a sleeper, but with its open exhaust and obvious turbo whistle, the once-gentlemanly sedan is anything but. The owner says that the engine is GM LQ9 V8 that has been stroked to 402 cubic inches putting out around 720 horsepower with 12 pounds of boost (in standard form, this 6.0-liter V8 was used in the second-gen Cadillac Escalade). Check out the video below to see what that kind of power does for this classic Jaguar in the eighth-mile.

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 F-Type ups warranty, adds standard equipment

The 2016 Jaguar F-Type is getting all-wheel-drive and an optional six-speed manual gearbox. That, of course, has been the big news surrounding the British brand's stylish two-seat coupe and cabrio since it was announced back in November. For 2016, though, Jag has done a lot more than just update the F-Type's powertrain – it's made life easier for the car's future owners. Jaguar has generously upped the complimentary service period for the 2016 F-Type, going from covering the first service only, to handing out five years or 60,000 miles of free maintenance to owners of the 2016 F-Type. That is, frankly, stupendous. That new plan is paired with an extended warranty, which has been expanded from five years or 50,000 miles to match the new complimentary service period. Coventry has also significantly added to the list of standard equipment for 2016, offering a 770-watt Meridian stereo, SiriusXM satellite radio, a SmartKey, 14-way power seats and on the hardtop models, a glass roof. Again, that's all standard equipment now. S models now get the standard dynamic mode, flat-bottomed wheel and active exhaust system. R models, as we said back in November, get all-wheel drive as standard. Most remarkable about all of this, though, is how little the new standard equipment has impacted the F-Type's price. The manual-trans Coupe matches last year's $65,000 starting price, while adding an eight-speed automatic kicks the price up $1,300. The S Coupe is slightly pricier than last year's $77,000 mid-grade model, starting at $77,300 for the manual and $78,800 for the automatic. The all-wheel-drive S Coupe starts at $84,800. The R, which as we said, enjoys standard all-wheel-drive, is getting the biggest price bump, with the Coupe model going from $99,000 to $103,600. The all-new Jaguar F-Type R Convertible starts at $106,450. Beyond that, if you want an F-Type with a canvas roof, add $3,100 to the prices shown above. So there we have it – a longer warranty, five years of free maintenance more standard equipment and a negligible increase in price. Um, why can't all model year updates be so nice? Check out the press release for more on the updated F-Types from Jag. Related Video: JAGUAR HITS THE GAS PEDAL ON U.S. 2016 F-TYPE LINEUP TO RAISE PRESSURE ON THE COMPETITION ? Jaguar ramps up F-TYPE value advantage by increasing standard equipment and features by $3,550 for F-TYPE to $11,850 for F-TYPE R models.