1981 Buick Rivera, All Original 33k Miles, Gragre Kept. Runs And Drives Good on 2040-cars

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GM warning 800,000 owners that their cars may need oil changes more frequently than they say

The days of changing your engine oil every 3,000 miles are long gone thanks to most cars having automatic oil monitoring systems, but about 800,000 General Motors vehicles apparently have incorrect monitoring software that is leading to premature engine component wear. According to Autoweek, certain 2010-2012 Buick LaCrosse, Regal, Chevrolet Equinox and GMC Terrain models equipped with 2.4-liter four-cylinder engines could be going too long in between oil changes resulting in a higher-than-normal number of warranty claims for the engine's balance chain. The balance chain links the balance shaft to the crankshaft, and a worn one can produce higher noise levels.
As a fix, GM dealers will be reprogramming the software for the monitors in an effort to reduce the interval between oil changes, which varies based on driving habits and conditions. Through February 2015, the software update will be done at no cost to vehicle owners, but since this is not a recall, after that point, it will be up to the discretion of dealers as to whether or not they will charge for the service. What isn't immediately clear is whether GM plans on giving assistance to out-of-warranty customers who are experiencing engine issues from the worn chain.

GM claims it's first to sell million 30+ mpg vehicles

As we continue to put together all the data for the year-end edition of By The Numbers, General Motors has announced that it sold more than a million vehicles in the US last year that achieved at least 30 miles per gallon on the highway. More impressively, GM managed this feat using multiple strategies including small vehicle size, turbocharged engines and hybrid or plug-in technologies across four brands (Buick, Cadillac, Chevrolet and GMC) accounting for 13 separate models. This number will grow even more in 2013 thanks to cars like the all-electric Spark, the diesel Cruze, the range-extended Cadillac ELR and the Buick Encore compact CUV.
GM's small car sales were up 39 percent last year helping to attain this million-sales mark for 30-mpg models, and almost 40 percent of all GM sales consisted of cars with fuel-efficient I4 engines. In regards to more advanced means of improving fuel economy, GM says that it plans on having 500,000 vehicles with "some form of electrification" on the road by 2017.
Scroll down for the full list of GM's million 30+ mpg cars as well as an informative press release.

Buick Envision CUV displays full-frontal nudity

Earlier this month, Shanghai GM gave us a glimpse of the production version of the Buick Envision concept revealed at the Shanghai Motor Show back in 2011. And now it's released the first unveiled shot and initial details of the crossover to slot in the considerable gap between the Encore and Enclave.
The new Envision is set later this year to reach Chinese showrooms, where it will be called the Ang Ke Wei, after which we're expecting it to arrive Stateside. The production-ready Envision is about the size of the Chevrolet Equinox or GMC Terrain, but is differentiated by a more upscale treatment and Buick's signature waterfall grille, flanked by Xenon headlamps and LED running lights and riding on 19-inch wheels.
Power comes from GM's familiar 2.0-liter turbo four with direct injection and stop/start ignition, driving 256 horsepower and 260 pound-feet of torque through a six-speed automatic transmission to all four wheels. That's about all that GM's Chinese operation has announced at this point - it's not even clear what platform the vehicle is on - but you can check out the press release for yourself below.