General Motors has killed off the Impala SS, again. For the 2010 model year, the Impala line will be available in base LS, mid-range LT and range-topping LTZ trim. The loss of the SS edition will also mark the end of the end of the line for GM's 5.3L V8 engine in the midsize front-wheel drive Chevy sedan. That means the biggest available engine will be the 3.9L LGD pushrod 60-degree V6.
It has been rumored for the last few months that Chevrolet would be soldiering on with a front-wheel-drive Impala for at least the next few years. The recent contract agreement between the Canadian Auto Workers union and General Motors appears to cement this rumor as fact. According to the signed pact, GM promised to keep the Oshawa Assembly plant, where the current-generation Impala is made, open until 2012 -- two years longer than first planned. The Impala is a pretty good seller for the Gener