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Look for new colors and an expansion of Porsche connectivity features.

This time, 467 and 224 don't add up to 691.

Owners can get money or vehicle upgrades.

Horsepower is characterized as work done after some time.

Whether you're buying a new car or building a hot rod in your garage, two factors come into play when determining engine performance: horsepower and torque.

These days, even the Yaris has more than 100 horses. Is it possible to have fun with less? Which sub-100hp car was (or is) the most fun?

Issue stemmed from calculation of Model S P85D front, rear motor output.

A Norwegian regulator rules against Tesla in a horsepower-disclosure issue, and says that the company engaged in deceptive advertising. Tesla disagrees.

The more horsepower your vehicle has, the faster it can accelerate and pick up speed.

With all the options available for drive wheels in vehicles, it can become confusing as to which is best for you.

Horsepower is one of those terms that everyone recognizes, but just try asking someone what it means.

The Cadillac ATS-V is getting a small bump in output, with the company announcing an SAE-certified 464 hp from the twin-turbocharged 3.6-liter V6.

Where Minivans Top Supercars, And Grand Tourers Out-Value Subcompacts

Calculating the dollar value of each horsepower for a car model may not be a perfect performance metric, but it sure does make a fun list.

Today's horses must be Clydesdale-class, at least when compared to the horses we were saddling up back in the 1960s and early '70s. How else can you explain the real-world performance figures of yesteryear, when muscle cars were routinely pushing out well over 400 horsepower and quarter-mile timeslips in the 14s, with the 12-second runs we see today from a similar number of (rated) ponies? Well, actually, there are a number of reasons... and none of them has anything to do with a four-legged hor

We've long maintained that we live in the best era of automotive history to date. Today's vehicles are safer, more efficient, faster, more powerful and more controllable than ever before.

Hemi. The mere mention of the word is enough to strike fear into the hearts of lesser powerplants... or at least images of a pair of scrubby-looking bottom-feeders that really love themselves some Ram Trucks. In any case, we're keenly interested in the latest Hemi engine from the Dodge Boys, in this case displacing a heady 392 (or so) cubic inches and placed gently inside the engine bay of the 2011 Challenger SRT8.

In typical Honda fashion, its premium Acura division will take a different path and has decided not to get sucked into a power race with its rivals. We already knew Acura had shelved plans for a larger V8 engine and a rear wheel drive platform. Product planning manager John Watts told Automotive News that the brand will instead focus on doing what needs to happen to meet the 2016 fuel economy standards which will be "tough."

Click above for high-res gallery of the Hyundai Genesis Coupe

Click on the image above for more shots of the 2008 Ford Focus

Lexus is billing the IS-F as "Everything you thought we weren't," and the potential is certainly there. The engine bay is filled with 5 liters of 4-valve V8 putting out 416 horsepower and 371 pound-feet of torque. The Minilite-esque wheels hide a Brembo braking system with six piston front calipers and cross-drilled rotors 14.2 inches in diameter. The sill extensions wrap up the front fenders to form a styling detail reminiscent of extractor vents, and the rest of the body has been tweaked in th

At one time Japanese regulations prohibited engines in that country producing more than 274hp, and oddly enough a wide array of different engines were all rated at that same level. Given the actual performance of the cars, it was clear that many manufacturers were sandbagging. Audi appears set to do the same with its uber-powerful RS6. The twin-turbo V10 is expected to carry an official rating of 571 hp, but the actual output could be as high as 610hp. Does anyone actually need this much power i

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