How would you feel about the SS returning in the future? Motor Trend is predicting an Impala, with a 4.2 liter V-8 (making about 270-280 horsepower), will be marketed in 2003. They don't say whether it will be FWD, but I suspect it will be. They also don't say whether it will be based on the current design, or a totally new one. The 4.2 liter engine will most likely be the one being developed for the Buick LaCrosse concept car.