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.

Was the Buick GNX the fastest production car?

The Buick GNX quickly gained the ranking of the fastest production car available in 1987. It had the ability and power to achieve 60 miles per hour in 4.7 seconds. The GNX shocked many people when it left the competition, like the Corvette, Ferrari, and Lamborghini Countach in the dust.

How fast was a stock Grand National?

With the deeper-breathing turbo and intercooler, the 1986 Regal Grand National had a 0-60 time of 4.8 seconds, a full second faster than the same year Corvette, and could run the quarter mile in 13.7-seconds.

What was the horsepower of a 1987 Buick GNX?

The GNX’s 3.8-liter V-6 developed 276 horsepower at 4400 rpm, and 360 pound-feet of torque at just 2400 rpm, courtesy of an uprated Garrett ceramic vane turbocharger and recalibrated engine-management system.

How fast is a stock 1987 Buick Grand National?

Car and Driver (May 1987) recorded a 4.7-second zero-to-60-mph run and a 13.5-second quarter-mile at 102 mph.

What motor was in the Buick Grand National?

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.

What was the first car to go 200 mph?

The 1969 Dodge Challenger Daytona produced a record-breaking 200 plus miles per hour speed. Back when this vehicle produced this important mark, becoming the first Dodge vehicle to do so, the world was vastly different than the world in 2021.

How fast is a 1987 Grand National in the quarter mile?

Through the quarter mile, the GNX clocks 13.4 sec to 104.0 mph against 15.7 at 97.5.

Are all Grand Nationals black?

They pride themselves on the shallow knowledge they have, asserting themselves in their diehard belief that Buick Grand Nationals were produced in only a single color–black–and only during the 1984 through 1987 model years.

Was the Grand National Twin Turbo?

For another edition of “Impromptu Street Races,” this black Buick Regal Grand National comes equipped with a twin turbocharged LSX. That means it’s always ready to hit absurd speeds. Here’s a video showing this piece of American muscle displaying its incredible power.

What is the rarest Buick Grand National?

The rarest Grand National is the original 1982 model, with only 215 produced. The 1987 GNX was sold with a matching GNX jacket given to original owners, and mint examples of the jacket have sold for $4,000.

What is the difference between the Grand National and GNX?

The GNX has all the interior features of a fully loaded Grand National, except for T-tops or a sunroof/moonroof (to increase structural integrity), although some customers may have opted to have a sunroof or T-tops retrofitted.

What was the fastest production car in 1987?

Back in 1987 the fastest U.S. production car ever to be produced was the Buick Grand National/GNX.

Did the Grand National have a V8?

What made the Buick Grand National so special? Its turbocharged and intercooled 3.8-liter V-6 pumped out 245 horsepower at a time when the Chevrolet Corvette offered 240. Meanwhile, lower-level Buick Regals with the same exterior styling offered modest V6 or V8 engines rated well below 200 hp.

What was the fastest Buick made?

Buick has announced that the Regal GS is the fastest Buick ever. It hit 162 mph at the Nevada Open Road Challenge, good enough for a second-place finish in the 135-mph class.

How much HP did the Buick Grand National have?

The motor is assisted by a 6466 turbocharger which helps the car achieve horsepower numbers of 550-horsepower, however, this mild figure is because the car is being put through a break in period. When fully prepared this thing should be able to push out 650-horsepower easily.

How much boost can a stock Grand National handle?

It’s a street type chip designed for a max 17psi boost using 93-octane fuel.