My 2008 Chevy Impala makes a rumble sound or vibration when going from 6 - cylinder mode to 3 - cylinder mode, with or without slight acceleration. (mechanics.stackexchange.com)
It also is one of the more technologically advanced compact sedans on the market with a new, optional feature called Traffic Jam Assist, which takes the burden off a driver in stop - and - go traffic, applying slight acceleration, braking and steering guidance when the car is stuck in traffic and speeds are less than 38 mph. (news18.com)
While the V10 - powered R8 models have a performance advantage, it's hard to justify the additional outlay of cash in light of how slight the acceleration advantages are and how truly good the V8 versions are. (autoweek.com)