1984 Chevrolet Silverado Truck on 2040-cars

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GM 6.2L V8 claims most powerful light-duty truck engine title

General Motors has officially captured the horsepower crown for mainstream pickup trucks with its 6.2-liter V8. The big mill, available in both the Chevrolet Silverado and GMC Sierra, comes to market with 420 horsepower and 460 pound-feet of torque, handily outdoing its two cross-town competitors, Ram (5.7-liter V8, 395 ponies and 407 lb-ft) and Ford (6.2-liter V8, 411 hp and 434 lb-ft).
The new GM 6.2 will take a bit of an investment, though. Those that want the extra thrust will need to go with either the LTZ or High Country trims from the Chevy, or the SLT and Denali trims from GMC, which are the two highest trim levels for the respective vehicles. Trim levels aside, if you're in the business of towing, GM has you covered. Optioned with the 6.2-liter V8 and the Max Trailering Package, owners will be able to pull 12,000 pounds, a hugely impressive figure.
We still aren't certain as to what sort of economy the new engine will get, but it'll probably be a bad bet for the fuel conscious. As for availability, expect to see the 6.2-liter trucks in showrooms later in the fall.

GM looks to combat high theft rates on SUVs with added tech

The Cadillac Escalade has been at or near the top of most-stolen and insurance-loss lists for more than seven years, until it dropped to number six earlier this year. In 2011 it was fitted with a host of new security features to address its easy-to-override features and that has brought the number of thefts down, but when eight of the ten most stolen rides are large SUVs from General Motors, no one will argue that something else needs to be done.
Thus, GM has fitted this same theft-deterring tech to the 2015 Suburban, Tahoe and Yukon. The Suburban and Tahoe will get the steering lock that the Escalade and Yukon already get, plus bolted-down third-row seats to deter thefts like this, stronger door lock cylinders and shields, and side-cut keys to inhibit picking.
Additional security measures in a Theft Protection Package can be purchased for $395, consisting of sensors on the greenhouse glass and interior, an incline/tilt sensor and added "key control systems" to make it more difficult for the men in black balaclavas to steal what you bought.

Chevrolet SS previewed by Holden VF Commodore SS V show car

It won't be long before we see the official, production-ready Chevrolet SS sedan (hint: it will be revealed this weekend). And to tide us over until all of the official details are released about the US-spec version, we have this: the Holden VF Commodore SS V show car, a performance-oriented brother to the Calais V that debuted earlier in the week.
What we really want to know about the SS V is what lies underhood, but General Motors' Australian arm is keeping that under wraps until the Chevy model breaks cover this weekend. Nevertheless, it's obvious that the SS V will be a serious performer, with all sorts of aggressive cues driving that home on the car's exterior. Take a look at those 20-inch billet aluminum wheels that hide big Brembo brake calipers up front, the sculpted hood and front fascia, the wide air intakes with LED running lights and the quad exhaust pipes out back. It's like the Pontiac G8 GXP never even left us.
Inside, there's a sporty-looking interior with aluminum accents that mix in with black leather and suede surfaces, all tied together in the middle with an eight-inch MyLink touchscreen infotainment system. It looks great, and again, while we don't know anything regarding powertrain details, it makes us oh-so happy to see a manual shifter smack dab in the middle of the center console.