Arriving in 1987, the GNX took the Buick Regal—which was already offered in go-fast Grand National form—and turned up the ...
Actual terms vary by lender. What is the MPG of the 2017 Buick Regal Turbo GS? The 2017 Buick Regal Turbo GS offers up to 19 MPG in city driving and 27 MPG on the highway for a combined rating of ...