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Quick Answer: 1987 buick grand national engine specs?

What engine was in the Grand National?

All the magic was under skin, including a turbo intercooled 3.8-liter V6 putting out a reported 276 horsepower (many say real horsepower numbers were well over 300) and a massive 360 pound-feet of torque. 20,740 Grand Nationals were built in 1987, with only 547 converted to limited-edition Regal GNX models.

How much horsepower does a 1987 Buick Grand National have?

Two Grand Nationals hit the streets in 1987, the base model and an outrageous GNX model. The base Grand National hit 245 horsepower and 355 pound-feet of torque, and the GNX pumped out a mighty 276 horsepower and 360 pound-feet of torque.

How fast was a Buick Grand National?

But in 1987, they introduced an ultimate version they called the Grand National Experimental or the GNX. It featured the same 3.8-liter turbocharged V6, but with 275 HP and a 0 to 60 mph time of 4.7 seconds. At that moment, the Buick GNX was the fastest accelerating production model in the world.

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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.

How much did a Buick Grand National cost in 1987?

The car had a sticker price of $29,389 in 1987. It was number 308 of 547 GNXs ever built, and it sat at Boulevard Buick of Signal Hill, California, for more than 30 years. Back when it appeared on Jay Leno’s Garage, the car had 184 miles on it.

What is the rarest Buick Grand National?

That would be the “Turbo Limited” – the only Grand National more rare than it was the GNX. There were 1035 made. Speaking of the GNX – the “Grand National Experimental” – that rare package cost $29,900. There were only 547 made.

What was the fastest American car in 1987?

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

What year is the best Buick Grand National?

In 1981 and 1982, Buick notched back-to-back wins in NASCAR’s Grand National series.

What does Buick GNX stand for?

GNX stands forGrand National Experimental” and only 547 were produced.

How much horsepower did a Buick Grand National have?

Rated at 165 horsepower, the turbocharged 3.8-liter V-6 first made it to production in 1978. The much hotter 200-hp Grand National would follow six years later.

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What is the fastest Buick?

And if you don’t know where to start, here are some of the fastest used Buick cars you can buy, ranked by their 0-60mph times.

These Are The Quickest Buicks On The Used Car Market

  1. 1 1988 Buick Reatta – 8.8 Seconds.
  2. 2 1971 Buick Riviera GS – 8.1 Seconds.
  3. 3 1995 Buick Riviera – 7.7 Seconds.
  4. 4 1969 Buick GS 400 – 7.7 Seconds.

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

Buick GNX Specs – Interior Modifications

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 do you know if a Grand National is real?

The RPO code for the factory Grand National package is “WE2”. Easiest way to verify its real. just make sure that the VIN on the RPO sheet on the underside of the trunk lid matches the VIN on the dash, then look for the WE2. If it has a Bench seat and column shifter, it’s def not a GN.

How many Buick Grand Nationals left 1987?

Multiple cars have reportedly sold for six figures, and we’re about to see this one, production no. 480, reach that mark as well. It certainly helps that only 547 GNXs exist.

How much boost can a stock Grand National handle?

A stock 86-87 engine ran 13-14 pounds of boost with 93-94 octane available in the late 80’s. At stock boost and 91 octane, you’re limited to about that much boost. Put the fuel in that you wish to run, and monitor the knock retard with a scan tool. If it knocks, turn the boost down.

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