Northstar Engines and System Technical Discussion Discussion, Differences in 275 & 300 HP Nstar in Cadillac Engine Discussion; May be a dumb question, but what does GM do to get 25 more HP in the 300 HP Nstar? ...
Automobile(s): 1992 Town Car Cartier & 2014 Accord LX MTX
Re: Differences in 275 & 300 HP Nstar
From my driving experience behind the wheels of both Northstars, the 275hp version has good low and excellent mid range power, with good top end power but the 300hp version has astonishing top end power, with good low and mid range power.