86 Buick Grand National Specs

86 Buick Grand National Specs

Buick GNX 304 PS (1986-›1987) technical specifications and performance figures

2. Data Sheets
3. Buick
4. GNX
5. 304 PS (1986-1987)

Last changes: 24 Sep 2021

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Specs Buick GNX 304 PS

Other engine technical information
Torque motor reserve ˜ 17 %
Specific power ˜ 0.45 kW/cm²
Total bore area ˜ 438.8 cm²
Brake mean effective pressure ˜ 18.9 bars
Mean effective pressure ˜ 17.5 bars
Mean piston speed ˜ 12.7 m/s
Engine optimisation rating ˜ 70 %

Longitudinal Front Engine 6 cylinders in V 3791 cm³ 12 valves injection Turbocharger
Power : 304 PS (224 kW / 300 bhp) at 4400 rpm (Max rev 4800 rpm)
Buick GNX 304 PS -> https://zeperfs.com/en/fiche6054-buick-gnx.htm 78.141.199.141
Torque : 569 Nm (58 mkg / 420 lb-ft) at 2400 rpm (~ 194 PS)
Ratios : 80 PS/L (59 kW/L) - 150 Nm/L

Torque & power curves

Transmission : Rear Wheel Drive + limited slip differential
Gearbox: automatic 4 gear
Tires : 245/50/16 Front - 255/50/16 Rear
Brakes Front : Ventilated discs (267mm)
Brakes Rear : Drum (243mm)

Dimensions : 200.6 x 70.5 x 54.6 inches
Wheelbase : 108.1 inches - Track : Front 59.4 inches / Rear 59.3 inches

Weight claimed : 1576 kg / 3474 lb (DIN) 1651 kg (EU)
Weight (EU) : 1663 kg / 3666 lb (heaviest verified in running order)
Weight/Power ratio : 5.5 kg/PS = 12.2 lbs/hp = 134 kW/T
Torque/Weight ratio : 342 Nm/T

Fuel consumption economy: 15 L/100 (15.7mpg) - sport: 23.5 L/100 (10mpg)

Indicative base price : ~25 900 €

Launching year 1986, 1987 end of production

The Buick GNX has a turbocharged six cylinders in V longitudinal front engine providing a maximum torque of 569 Nm available from 2400 rpm and a maximum power outpup of 304 PS available at 4400 rpm transmitted to the 16 inch rear wheels by an automatic 4 speed gearbox.

How much power does a Buick GNX have?

The Buick GNX has 304 PS / 300 bhp / 224 kW.

What is the maxium torque of the Buick GNX 304 PS?

The Buick GNX 304 PS has a maximum torque of 569 Nm / 420 lb-ft

What is the claimed weight of the Buick GNX 304 PS?

The Buick GNX 304 PS claimed weight (DIN) is 1576 kg / 3474 lb.

What is the claimed top speed of a Buick GNX 304 PS?

The Buick GNX 304 PS claimed top speed is 200 km/h / 124 mph.

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Buick GNX 304 PS

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Performance Buick GNX 304 PS

15 results returned from 4 Sources : Car & Driver, Hemmings, Motor Trend, Road & Track

Averages of referenced test measurements

Top Speed claimed:

200 kph limited

Accelerations

400m 13.4 s. claimed

1, 1 З‚З ,0.2,1 s.

5 values

0 to 50 kph

2, 2‚1 ,6.6,2 s.

1 value

0 to 80 kph

2, З‚6 ,0.4,2 s.

1 value

0 to 100 kph 5.7 s. claimed

3, Ƽ‚1 ,0.2,3 s.

4 values

0 to 130 kph

3, 8‚0 ,5,3 s.

1 value

0 to 160 kph

3, 1 2‚8 ,0.5,3 s.

2 values

0 to 180 kph

3, 1 7‚8 ,0.6,3 s.

1 value

Flexibility

80 to 180 minimum

1 4‚2 s.

Kph as default unit

Real speed measurements implying differences with what can be seen on car's speedometer.

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86 Buick Grand National Specs

Source: https://zeperfs.com/en/fiche6054-buick-gnx.htm