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First 2015 Chevy Corvette Z06 engine blows up at just 891 miles

You've waited and watched and waited some more for the arrival of your 650-horsepower, $78,000 Chevrolet Corvette Z06. Finally, that joyous day arrives and you eagerly, but gingerly, begin to break-in the 6.2-liter supercharged V8 monster under your hood. Then 900-odd miles after delivery, your excitement grinds, quite literally, to a halt. That's what the owner of one 2015 Z06 claimed happened to him when a simple break-in drive resulted in a lunched engine. The owner, known as Lawdogg149 on Corvette Forum, says he was out breaking-in his car ahead of a January track event when it happened. "While making a pull from 35 miles per hour, I accelerated and shifted short of redline, and boom - the car began knocking. I pulled over and popped the hood. I could hear a loud knock coming from the No. 6 cylinder area along with a serious, grinding, metal-on-metal sound coming from the supercharger area," Lawdogg wrote. A subsequent trip to the dealer confirmed his concerns, with the service facility telling Lawdogg that the No. 6 valvetrain had failed. The dealer couldn't research the issue further, though, as General Motors requested the engine be returned for a more thorough evaluation. The good news for the Z06's unlucky owner, at least, is that GM will be covering the engine replacement under warranty, an expense that Corvette Forum estimates is a nearly $24,000 procedure. At this point, the two leading theories behind the engine's detonation involve a manufacturing defect – which could be why GM is so keen to tear the blown powerplant down – or a mistake on the part of Lawdogg. As Motor Authority points out, such an error could be something as simple as the Z06's owner accidentally shifting to first rather than third during his 35-mph pull. If, however, there's a deeper manufacturing problem with the Z06's engine, this might not be the only case we end up hearing about.

2014 Chevy Cruze Diesel arrives with 42 mpg for $25,695*

The last time General Motors had a diesel passenger car in the US, it was the 1.8-liter 1986 Chevette. At the 2013 Chicago Auto Show today, GM is unveiling the much-anticipated 2014 Chevrolet Cruze Diesel. The compact bows with a 2.0-liter turbo-diesel four-cylinder engine that boasts 148 horsepower and 258 pound-feet of torque, with full twist coming on at just 2,000 rpm. What's more, the common-rail, direct-injection diesel features an overboost function that allows the engine to deliver up to 280 lb-ft of torque for 10 seconds at a time. Even with 10 more horsepower and 110 more pound-feet of torque than the available turbocharged 1.4-liter four-cylinder in the Cruze, the 2.0-liter diesel engine can return up to 42 mpg (highway) bolted to its six-speed automatic transmission.
If you're counting, that figure meets the less powerful Cruze Eco with a six-speed manual transmission. More importantly, the auto transmission Cruze Diesel matches its main competition, the Volkswagen Jetta TDI, in highway fuel economy. The Cruze 2.0 TD (as it will be badged) can also handle up to 20 percent biodiesel (B20), whereas the Jetta is rated only for B5. General Motors has not released city fuel economy for its newest diesel, but we do know how much it will cost you to jump behind the driver's seat.
GM will kindly ask for $25,695, plus an $810 destination fee. That marks a $2,115 premium over a loaded Cruze LTZ Auto and $2,640 more than the Jetta TDI, though the MSRP will net you a leather interior, 17-inch alloy wheels and an Aero Performance Package, as well as a two-year maintenance plan and five-year, 100,000-mile powertrain warranty. Compared to the gas-powered Cruze, you also lose a couple cubic feet of rear cargo space thanks to a 17-liter diesel emission fluid tank. That urea fluid, which helps put the clean in clean diesel, will need to be refilled at least every 10,000 miles.

The best Super Bowl car commercials from the last 5 years

If you've been dipping into the Autoblog feed over the past days and weeks, you wouldn't even have to be a sports fan to know the Super Bowl is coming up. Automakers have been teasing their spots for the big game, dropping them days early, fully-formed onto the Internet and otherwise trying to amp up the multi-million-dollar outlays that they've made for air time on the biggest advertising day of the year. And, we're into it. The lead up to the Super Bowl is almost akin to a mini auto show around these parts; with automakers being amongst the most prolific advertisers on these special Sundays. The crop of ads from 2015 looks as strong as ever, but we thought we'd take a quick look back at some of our favorite spots from the last five years. Take a look at our picks – created from a very informal polling of Autoblog editors and presented in no particular order – and then tell us about your recent faves, in Comments. Chrysler, Imported From Detroit Chrysler, Eminem and a lingering pan shot of "The Fist" – it doesn't get much more Motown than 2011's Imported From Detroit. With the weight of our staffers hailing from in and around The D, it's no wonder that our memories still favor this epic Super Bowl commercial (even though the car it was shilling was crap). Imported really set the tone for later Chrysler ads, too, repeated the formula: celebrity endorsement + dramatic copy + dash of jingoism = pulled car-guy heartstrings. Mercedes-Benz, Soul teaser with Kate Upton One of our favorite Super Bowl commercials (and yours, based on the insane number of views you logged) didn't even technically air during the game. Mercedes-Benz teased its eventual spot Soul with 90-seconds worth of Kate Upton threatening to do her best Joy Harmon impression. (Teaser indeed.) It doesn't win points for cleverness, use of music, acting, or any compelling carness, but it proved that Mercedes' advertisers knew how to make a splash in the Internet Age. And, hey, it's still classier than every GoDaddy commercial. Kia, A Dream Car. For Real Life Like the Mercedes video above, the initial draw here is a pretty lady; in this case the always stunning Adriana Lima. But this Kia commercial really delivers the extra effort we expect while scarfing crabby snacks and homemades, too. First of all, Motley Crue. Second, a cowboy on a bucking rhino. Enjoy yet again.