Key facts

1987 Buick Regal Grand National information summary

What body style?
fixed-head coupé with 4/5 seats
How long?
5095 mm
What size engine?
3.8 litre, 3791 cm3
How many cylinders?
6, V
How much power?
248 PS / 245 bhp / 183 kW @ 4400 rpm
How much torque?
481 Nm / 355 / 49 kgm @ 2000 rpm


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1987 Buick Regal Grand National technical specifications


Buick Regal Grand National is a car that has a 2 door coupé body style with a front mounted engine delivering power to the rear wheels.
The 6 cylinder, overhead valve turbocharged powerplant has 2 valves per cylinder and a displacement of 3.8 litres. It musters power and torque figures of 245 bhp (248 PS/183 kW) at 4400 rpm and 481 Nm (355 lbft/49 kgm) at 2000 rpm respectively.
The power is delivered to the wheels via a 4 speed automatic gearbox.
1987 Buick Regal Grand National data
1987 Buick Regal Grand National data
Body type4/5 seater fixed-head coupé
Number of doors2
dimensions & weights
Wheelbase 2746 108.1
Track/tread (front) 1486 58.5
Track/tread (rear) 1468 57.8
Length 5095 200.6
Width 1819 71.6
Height 1384 54.5
Ground clearance
length:wheelbase ratio 1.86
Kerb weight
Weight distribution
fuel tank capacity 68.6 litres 15.1 UK Gal 18.1 US Gal
Drag coefficient 0.41
Frontal area
engine type turbocharged petrol
Engine manufacturer GM
Engine code
Cylinders V 6 in 90° vee
Capacity 3.8 litre
3791 cc
(231.341 cu in)
Bore × Stroke 96.5 × 86.4 mm
3.8 × 3.4 in
Bore/stroke ratio 1.12
overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output
248 PS (245 bhp) (183 kW)
at 4400 rpm
Specific output
64.6 bhp/litre
1.06 bhp/cu in
maximum torque
481 Nm (355 ft·lb) (49 kgm)
at 2000 rpm
Specific torque
126.88 Nm/litre
1.53 ft·lb/cu3
Engine construction cast iron block & head
compression ratio 8:1
Fuel system SMPFi
bmep (brake mean effective pressure) 1594.4 kPa (231.3 psi)
Maximum RPM
crankshaft bearings 4
Engine coolant Water
Unitary capacity 631.83 cc
Aspiration Turbo
Intercooler Y
Catalytic converter Y
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed
Power-to-weight ratio
Weight-to-power ratio
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering recirculating ball VPAS
turns lock-to-lock
Turning circle
Front suspension I.W.CS.ARB.
Rear suspension LA.CS.TorqueA.
Wheel size front
Wheel size rear
Tyres front 215/85 R 15
Tyres rear 215/85 R 15
Brakes F/R VeDi/Dr-S
Front brake diameter
Rear brake diameter
Gearbox 4 speed automatic
Top gear ratio 0.67
Final drive ratio 3.42
general ID100639
Production total
Model code
Model family
RAC rating 34.6
Insurance classification No information available
Tax band No information available
1987 Buick Regal Grand National added 2002-10-28.
Last modified 2013-02-28.

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1987 Buick Regal Grand National

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