Finally, and most probable option to be placed under the hood of the 2016 Buick Grand National GNX is 3.6-l twin turbo V6 LF3. This is new engine from Buick, and it should be capable to deliver over 400 hp for performance-boosted GNX model of 2016 Buick Grand National. All these engines get new feature called Variable Valve Timing.
Buick Grand National 2016 >> 1987 Buick Grand National for sale

Buick Grand National 2016 >> 1987 Buick Grand National for sale

The 2018 Buick Grand National will go into the production line at GM’s Lansing Grand River Assembly plant, Michigan, USA, since this new model will use GM’s new Alpha platform as the Chevy Camaro, Cadillac CTS and ATS.
Buick Grand National 2016 >> 2018 Buick Grand National GNX | Subaru Update

Buick Grand National 2016 >> 2018 Buick Grand National GNX | Subaru Update