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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.

Translogic 166: Porsche 918 Spyder

In the same month that Porsche announced that its 918 Spyder is sold out, Translogic is getting its first (and likely last) shot at the plug-in hybrid hypercar. Our drive starts off in a very civilized fashion as we tour the 918 Spyder's e-power and hybrid modes, but the fun really starts when the naturally aspirated 4.6-liter V8 engine roars to life in sport and race hybrid modes, augmenting the electric motors with an additional 608 horsepower for a total of 887. We even attempt an impromptu 0-60 test to see if we can match Porsche's gobsmacking official time of 2.5 seconds, but sadly we don't have the room to make a run on its 214-mph top speed. Watch as Translogic host Jonathon Buckley pilots this Porsche around an airstrip in Irvine, CA, with a focus on the many driving modes that set the 918 Spyder apart from anything else in the storied automaker's history. Follow Translogic on Twitter and Facebook. Click here to subscribe to Translogic in iTunes. Click here to learn more about our host, Jonathon Buckley.

1983 Motorweek showdown pits Porsche 928S vs. Chevy Camaro Z28

Last month, Motor Trend threw the Camaro Z/28 and Porsche 911 GT3 into the bear pit and let them fight it out. Way back in 1983, MotorWeek had the same idea, comparing the Camaro Z/28 to the Porsche 928S. At the time, the Camaro was America's best selling sports coupe, the 928S was Porsche's top-of-the-line model that also had the highest top speed of any car sold here. And the price differential was even more stark then: $13,600 for the Camaro, $45,000 for the Porsche. That put the Z/28's cast-iron, 5.0-liter V8 with 190 horsepower and 240 pound-feet of torque against the all-aluminum 4.7-liter V8 with 234 hp and 263 lb-ft in the 928S. Even with that and the Camaro being 14 inches longer than the Porsche, the American was a surprising 40 pounds lighter than the German. The show took them to Summit Point Raceway in West Virginia to see how close a relative performance bargain could hang with a the German GT. Both had five-speed manual transmissions, but the high-speed corners and tight sections of Summit Point would test other handling variables, including the "bone-rattling" Camaro's solid rear axle and disc and drum brake setup vis-a-vis the four-wheel disc brakes and independent suspension on the "firm-but-smooth" Porsche. Paradoxically, the larger disparity 22 years ago resulted in a closer result. Check out the video to see how the Summit was won. News Source: MotorWeek via YouTube Chevrolet Porsche Coupe Luxury Performance Classics Videos chevy camaro z28 porsche 928 retro review