Buick Regal Grand National (1987) fixed-head coupé - technical specifications of 1987 Buick Regal Grand National

Buick Regal Grand National

(1987 model)

Brief specs of 1987 Buick Regal Grand National

2-door 5-seater fixed-head coupé, petrol (gasoline) 6-cylinder 12-valve V engine, OHV (overhead valve, I-head), 3791 cm³ / 231.3 cu in / 231.3 cu in, 182.7 kW / 245.0 hp / 245.0 hp @ 4400 rpm / 4400 rpm / 4400 rpm, 481.0 N·m / 354.8 lb·ft / 354.8 lb·ft @ 2000 rpm / 2000 rpm / 2000 rpm, automatic 4-speed transmission, rear wheel drive

Marque (make)	Buick	Issued from	1987
Model	Regal Grand National	Issued until
Serie	Regal	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Buick	Country	US

Marque (make)

Buick

Issued from

1987

Model

Regal Grand National

Issued until

Serie

Regal

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Buick

Country

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	5
Bodywork designer		Cargo capacity (volume)
Passenger space (volume)		Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

fixed-head coupé

Number of seats

Bodywork designer

Cargo capacity (volume)

Passenger space (volume)

Max. cargo capacity (volume)

Length	5095 mm / 200.6 in / 200.6 in	Total (curb) weight
Width	1819 mm / 71.6 in / 71.6 in	Dry weight
Height	1384 mm / 54.5 in / 54.5 in	Load capacity
Wheelbase	2746 mm / 108.1 in / 108.1 in	Gross (max.) weight
Track front	1486 mm / 58.5 in / 58.5 in	Towing weight
Track rear	1468 mm / 57.8 in / 57.8 in	Weight distribution (front)
Ground clearance		Fuel capacity	69 l / 15.1 UK gal / 18.1 US gal
Length/wheelbase ratio	1.86

Length

5095 mm / 200.6 in / 200.6 in

Total (curb) weight

Width

1819 mm / 71.6 in / 71.6 in

Dry weight

Height

1384 mm / 54.5 in / 54.5 in

Load capacity

Wheelbase

2746 mm / 108.1 in / 108.1 in

Gross (max.) weight

Track front

1486 mm / 58.5 in / 58.5 in

Towing weight

Track rear

1468 mm / 57.8 in / 57.8 in

Weight distribution (front)

Ground clearance

Fuel capacity

69 l / 15.1 UK gal / 18.1 US gal

Length/wheelbase ratio

1.86

Drag coefficient (Cd, Cx, Cw)	0.41	Frontal area (A)	2.14 m² / 23.0 sq ft / 23.0 sq ft (est.)
Aerodynamic coefficient (Cd×A)	0.88 m² / 9.4 sq ft / 9.4 sq ft (est.)	Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)	21.8 kW / 29.2 hp / 29.2 hp (est.)

Drag coefficient (Cd, Cx, Cw)

0.41

Frontal area (A)

2.14 m² / 23.0 sq ft / 23.0 sq ft (est.)

Aerodynamic coefficient (Cd×A)

0.88 m² / 9.4 sq ft / 9.4 sq ft (est.)

Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

21.8 kW / 29.2 hp / 29.2 hp (est.)

Engine Code		Total number of cylinders	6
Engine Type	V engine (90.0° vee)	Total number of valves	12
Engine Manufacturer	GM	Valves per cylinder	2
Engine construction	cast iron block & head	Bore	96.5 mm / 3.80 in / 3.80 in
Fuel	petrol (gasoline)	Stroke	86.4 mm / 3.40 in / 3.40 in
Fuel details		Bore/Stroke ratio	1.12
Fuel supply	SMPFi	Engine displacement	3791 cm³ / 231.3 cu in / 231.3 cu in
Engine Main bearings	4	Unitary capacity	631.83 cm³/cylinder / 38.557 cu in/cylinder / 38.557 cu in/cylinder
Cam Design	OHV (overhead valve, I-head)	Compression ratio	8.0 : 1
Sump		Max. output power	182.7 kW / 245.0 hp / 245.0 hp at 4400 rpm / 4400 rpm / 4400 rpm
Aspiration	turbocharged	Max. torque	481.0 N·m / 354.8 lb·ft / 354.8 lb·ft at 2000 rpm / 2000 rpm / 2000 rpm
Compressor type		Maximum rpm
Intercooler	yes	Max. net output (power at the wheels)	73.1 kW / 98.0 hp / 98.0 hp (est.)
Coolant	water	Specific output	48.2 kW/l / 1.059 bhp/cu in / 1.059 bhp/cu in
Catalytic converter	yes	Specific torque	126.9 N·m/l / 1.11 lb·ft/cu in / 1.11 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

V engine (90.0° vee)

Total number of valves

Engine Manufacturer

Valves per cylinder

Engine construction

cast iron block & head

Bore

96.5 mm / 3.80 in / 3.80 in

Fuel

petrol (gasoline)

Stroke

86.4 mm / 3.40 in / 3.40 in

Fuel details

Bore/Stroke ratio

1.12

Fuel supply

SMPFi

Engine displacement

3791 cm³ / 231.3 cu in / 231.3 cu in

Engine Main bearings

Unitary capacity

631.83 cm³/cylinder / 38.557 cu in/cylinder / 38.557 cu in/cylinder

Cam Design

OHV (overhead valve, I-head)

Compression ratio

8.0 : 1

Sump

Max. output power

182.7 kW / 245.0 hp / 245.0 hp at 4400 rpm / 4400 rpm / 4400 rpm

Aspiration

turbocharged

Max. torque

481.0 N·m / 354.8 lb·ft / 354.8 lb·ft at 2000 rpm / 2000 rpm / 2000 rpm

Compressor type

Maximum rpm

Intercooler

yes

Max. net output (power at the wheels)

73.1 kW / 98.0 hp / 98.0 hp (est.)

Coolant

water

Specific output

48.2 kW/l / 1.059 bhp/cu in / 1.059 bhp/cu in

Catalytic converter

yes

Specific torque

126.9 N·m/l / 1.11 lb·ft/cu in / 1.11 lb·ft/cu in

Transmission type	automatic	Number of gears	4
Wheel drive	rear wheel drive	Top gear (drive) ratio	0.67
		Final gear (drive) ratio	3.42

Transmission type

automatic

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

0.67

Final gear (drive) ratio

3.42

Acceleration 0-50 mph (80 km/h)

Top (maximal) speed

Acceleration 0-60 mph (97 km/h)

Power-to-weight ratio

Acceleration 0-100 km/h

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

Fuel consumption, Road (extra-urban)

Acceleration 80-120 km/h (50-70 mph) in top

Fuel consumption, Mixed (combined)

Standing ¼mile time

Fuel consumption, Euro

Standing kilometer time

CO₂ emissions

Range

Engine location	front	Engine alignment	longitudinal
Steering	recirculating ball VPAS	Steering details
Turns lock-to-lock		Turning circle
Suspension front	Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)	Suspension rear	Live axle, Coil springs,TorqueA
Wheels front		Wheels rear
Tyres front	215/85 R 15	Tyres rear	215/85 R 15
Brakes front	ventilated disc	Brakes rear	drum
Brake diameter front		Brake diameter rear
Brakes details	servo-assisted	Braked area

Engine location

front

Engine alignment

longitudinal

Steering

recirculating ball VPAS

Steering details

Turns lock-to-lock

Turning circle

Suspension front

Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)

Suspension rear

Live axle, Coil springs,TorqueA

Wheels front

Wheels rear

Tyres front

215/85 R 15

Tyres rear

215/85 R 15

Brakes front

ventilated disc

Brakes rear

drum

Brake diameter front

Brake diameter rear

Brakes details

servo-assisted

Braked area

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