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How fast is a 1987 Buick Grand National GNX?

How fast is a 1987 Buick Grand National GNX?

124 mph
Buick agreed to team up with McLaren Engines at the 1985 Indy 500 in order to produce the 1987 Grand National GNX. This Buick featured an upgraded chassis to support the GNX’s superior performance and also came with a top speed of 124 mph.

How fast was the Buick Grand National in a quarter mile?

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 is the difference between a 1987 Buick Grand National and a GNX?

Off the dyno the GNX engine is up 55 bhp from the standard Grand National’s rating to 300 at 4400, while torque climbs from 355 to 420 at 2400 rpm. Buick had already reached the limits of the Regal’s suspension with the Grand National, so the GNX is beefed up still more.

What was the fastest American production car in 1987?

Buick GNX
It was the fastest car made in America to 60 mph with an official time of just 4.9 seconds. The 1987 Buick GNX is second on the list with a 4.7-second sprint to 60 mph, which was beat by the 1989 Pontiac Firebird Trans Am….

0-60 time: 5 seconds
Top speed: 150 mph

What is the difference between Buick 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.

How much horsepower did the 1987 Buick GNX have?

276 horsepower
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 year is the best Buick Grand National?

By 1987, the darling year for the Buick Grand National, the engine made 245 hp and 355 lb-ft of torque. Car and Driver mashed the accelerator in a 1986 review of the muscle car and clocked a 0-60 mph sprint in 4.9 seconds.

How much horsepower did a GNX have?