Oct 12, 2018 · Buick built just 2000 copies of its '84 Regal Grand National and 2102 for 1985—far short of demand. "The next significant improvement was in 1986, when Ron Yuille and the Turbo Engine Group...

The E2XX Regal GS is the most powerful Buick Regal ever produced (eclipsing the official rated output of the 1987 Buick GNX), powered by a 310-horsepower (231 kW) 3.6 liter LGX V6, paired with a 9-speed automatic transmission.

From the Archive: As the 300-hp swan song for the rear-drive Regal and Grand National, the limited-edition GNX devours straightaways with unsophisticated charm. From the May 1987 issue of Car...

Aug 28, 2024 · Arriving in 1987, the GNX took the Buick Regal—which was already offered in go-fast Grand National form—and turned up the wick on turbo technology that Buick had been perfecting for nearly a...

Oct 1, 2020 · Let’s take a look at exactly what sets the GNX apart from all other Buick Regals: Buick GNX Specs - 3.8 Liter V6 Engine. The GNX was officially advertised at 276 horsepower and 360 ft-lbs of torque, but these numbers were soon found to be understated.

The Regal GNX was one of the fastest production cars built in the 1980s, with only 547 McLaren modified GNX models ever built. A larger turbo, intercooler and external body/wheel modifications separated it from the Regal GN models.

The Legendary 1987 Buick GNX Was No Ordinary Regal Coupe. Learn What Separates This Unique Buick From The Grand National And Other Regals Of The 1980s.

The 3.8L V6 engine in the GNX was conservatively rated for 276 horsepower at 4,400 RPM and 360 lb-ft of torque at 3,000 RPM and backed by a prepared Turbo-HydraMatic 2004R transmission. The GNX could launch from 0-60 MPH in under five seconds and run a low 13-second quarter-mile.

Aug 29, 2009 · This is the story of the turbocharged Buick Regal Grand National and the fearsome Buick GNX. THE CAR GUY Buick’s curious excursion into turbocharging in the late seventies and early eighties came largely at the behest of Lloyd Reuss, Buick’s chief engineer and later general manager.

Only produced in a small, individually-numbered edition of 547 vehicles in 1987, the Buick GNX represents the pinnacle of Grand National, Buick, General Motors, and all U.S. brand automotive performance and handling for the period.