Buick GNX 

  • 1987
  • 276 HP 3.8L
  • 124 mph
Along with the package came a larger ceramic coated intercooler, high-low exhuast system, and a Turbo Hydramatic 200-R transmission.
by www.supercars.net
With a Garrett T-3 turbocharger, more than 300 bhp was realized.
by www.supercars.net

Road Tests Real world tests of the Buick GNX

Top speed

Buick GNX
124 mph
Nissan GT-R
195 mph


Buick GNX
12.9 s
Nissan GT-R
6.8 s
911 SC
17.6 s

1/4 mile

Buick GNX
13.4 s
Nissan GT-R
10.8 s
911 SC
15.3 s

Data points Key details of the Buick GNX

Number built

Buick GNX
547 cars
Buick GSX
678 cars


Buick GNX
276 HP
Nissan GT-R
542 HP

In The News From around the web


Buick GNX

A limited production of only 547 cars were made and each was labeled with a plaque on the dashboard.
Visually the GNX got the blacked out front grill of the Grand National and all the cars were sold in gloss black.

Specifications Full list of technical specs


Brand Buick
Type of car Production car
Year 1987
Highest auction price $132k, January 2009
Number built 547 cars

power & handling

Power-to-weight ratio 12.84 lb/hp
Maximum hp 276 HP
Maximum torque 361 ft-lb
Engine placement Front
Steering system Rack and pinion

suspension, wheels & brakes

Front brakes Disc
Rear brakes Disc

physical dimensions

Curb weight 3,544 lb

road tests

Top speed 124 mph
1/4 mile 13.4 s
0-100mph 12.9 s


Drivetrain RWD
Gearing Traditional
# of gears 4 gears


Displacement 3,800 cc
Cylinders V6
Air compressor Turbocharger
Fuels Gas
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