Pontiac Firebird (1991) fixed-head coupé - technical specifications of 1991 Pontiac Firebird

(1991 model)

Brief specs of 1991 Pontiac Firebird

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 6-cylinder 12-valve V engine, OHV (overhead valve, I-head), 3128 cm³ / 190.9 cu in / 190.9 cu in, 104.4 kW / 140.0 hp / 140.0 hp @ 4400 rpm / 4400 rpm / 4400 rpm, 244.0 N·m / 180.0 lb·ft / 180.0 lb·ft @ 3600 rpm / 3600 rpm / 3600 rpm, manual 5-speed transmission, rear wheel drive, 175 km/h / 109 mph / 109 mph top speed

Marque (make)	Pontiac	Issued from	1991
Model	Firebird	Issued until
Serie	Firebird	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Pontiac	Country	US

Marque (make)

Pontiac

Issued from

1991

Model

Firebird

Issued until

Serie

Firebird

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Pontiac

Country

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	2+2
Bodywork designer		Cargo capacity (volume)
Passenger space (volume)	4860 l / 171.63 cu ft / 171.63 cu ft	Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

fixed-head coupé

Number of seats

2+2

Bodywork designer

Cargo capacity (volume)

Passenger space (volume)

4860 l / 171.63 cu ft / 171.63 cu ft

Max. cargo capacity (volume)

Length	4780 mm / 188.2 in / 188.2 in	Total (curb) weight	1410 kg / 3109 lb / 3109 lb
Width	1840 mm / 72.4 in / 72.4 in	Dry weight
Height	1270 mm / 50.0 in / 50.0 in	Load capacity
Wheelbase	2565 mm / 101.0 in / 101.0 in	Gross (max.) weight
Track front	1542 mm / 60.7 in / 60.7 in	Towing weight
Track rear	1565 mm / 61.6 in / 61.6 in	Weight distribution (front)
Ground clearance	120 mm / 4.7 in / 4.7 in	Fuel capacity	59 l / 13.0 UK gal / 15.6 US gal
Length/wheelbase ratio	1.86

Length

4780 mm / 188.2 in / 188.2 in

Total (curb) weight

1410 kg / 3109 lb / 3109 lb

Width

1840 mm / 72.4 in / 72.4 in

Dry weight

Height

1270 mm / 50.0 in / 50.0 in

Load capacity

Wheelbase

2565 mm / 101.0 in / 101.0 in

Gross (max.) weight

Track front

1542 mm / 60.7 in / 60.7 in

Towing weight

Track rear

1565 mm / 61.6 in / 61.6 in

Weight distribution (front)

Ground clearance

120 mm / 4.7 in / 4.7 in

Fuel capacity

59 l / 13.0 UK gal / 15.6 US gal

Length/wheelbase ratio

1.86

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	1.99 m² / 21.4 sq ft / 21.4 sq ft (est.)
Aerodynamic coefficient (Cd×A)		Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Drag coefficient (Cd, Cx, Cw)

Frontal area (A)

1.99 m² / 21.4 sq ft / 21.4 sq ft (est.)

Aerodynamic coefficient (Cd×A)

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

Engine Code	LH0	Total number of cylinders	6
Engine Type	V engine (60.0° vee)	Total number of valves	12
Engine Manufacturer	GM	Valves per cylinder	2
Engine construction		Bore	88.9 mm / 3.50 in / 3.50 in
Fuel	petrol (gasoline)	Stroke	84.0 mm / 3.31 in / 3.31 in
Fuel details		Bore/Stroke ratio	1.06
Fuel supply	Ro fuel inj.	Engine displacement	3128 cm³ / 190.9 cu in / 190.9 cu in
Engine Main bearings	4	Unitary capacity	521.33 cm³/cylinder / 31.814 cu in/cylinder / 31.814 cu in/cylinder
Cam Design	OHV (overhead valve, I-head)	Compression ratio	8.5 : 1
Sump		Max. output power	104.4 kW / 140.0 hp / 140.0 hp at 4400 rpm / 4400 rpm / 4400 rpm
Aspiration	natural	Max. torque	244.0 N·m / 180.0 lb·ft / 180.0 lb·ft at 3600 rpm / 3600 rpm / 3600 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	41.8 kW / 56.0 hp / 56.0 hp (est.)
Coolant	water	Specific output	33.4 kW/l / 0.734 bhp/cu in / 0.734 bhp/cu in
Catalytic converter	yes	Specific torque	78.0 N·m/l / 0.68 lb·ft/cu in / 0.68 lb·ft/cu in

Engine Code

LH0

Total number of cylinders

Engine Type

V engine (60.0° vee)

Total number of valves

Engine Manufacturer

Valves per cylinder

Engine construction

Bore

88.9 mm / 3.50 in / 3.50 in

Fuel

petrol (gasoline)

Stroke

84.0 mm / 3.31 in / 3.31 in

Fuel details

Bore/Stroke ratio

1.06

Fuel supply

Ro fuel inj.

Engine displacement

3128 cm³ / 190.9 cu in / 190.9 cu in

Engine Main bearings

Unitary capacity

521.33 cm³/cylinder / 31.814 cu in/cylinder / 31.814 cu in/cylinder

Cam Design

OHV (overhead valve, I-head)

Compression ratio

8.5 : 1

Sump

Max. output power

104.4 kW / 140.0 hp / 140.0 hp at 4400 rpm / 4400 rpm / 4400 rpm

Aspiration

natural

Max. torque

244.0 N·m / 180.0 lb·ft / 180.0 lb·ft at 3600 rpm / 3600 rpm / 3600 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

41.8 kW / 56.0 hp / 56.0 hp (est.)

Coolant

water

Specific output

33.4 kW/l / 0.734 bhp/cu in / 0.734 bhp/cu in

Catalytic converter

yes

Specific torque

78.0 N·m/l / 0.68 lb·ft/cu in / 0.68 lb·ft/cu in

Transmission type	manual	Number of gears	5
Wheel drive	rear wheel drive	Top gear (drive) ratio	0.76
		Final gear (drive) ratio	3.42

Transmission type

manual

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

0.76

Final gear (drive) ratio

3.42

Acceleration 0-50 mph (80 km/h)	Top (maximal) speed	175 km/h / 109 mph / 109 mph
Acceleration 0-60 mph (97 km/h)	Power-to-weight ratio	99.3 kW/ton / 75.2 bhp/ton / 75.2 bhp/ton
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

Acceleration 0-50 mph (80 km/h)

Top (maximal) speed

175 km/h / 109 mph / 109 mph

Acceleration 0-60 mph (97 km/h)

Power-to-weight ratio

99.3 kW/ton / 75.2 bhp/ton / 75.2 bhp/ton

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 PAS	Steering details
Turns lock-to-lock		Turning circle	12.6 m / 41.3 ft / 41.3 ft
Suspension front	Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)	Suspension rear	Live axle, Trailing arm, Coil springs, Panhard rod, Anti-roll (anti-sway) bar (ARB)
Wheels front		Wheels rear
Tyres front	215/65 R 15	Tyres rear	215/65 R 15
Brakes front	ventilated disc	Brakes rear	drum
Brake diameter front		Brake diameter rear
Brakes details	servo-assisted, ABS (anti-lock braking system)	Braked area

Engine location

front

Engine alignment

longitudinal

Steering

recirculating ball PAS

Steering details

Turns lock-to-lock

Turning circle

12.6 m / 41.3 ft / 41.3 ft

Suspension front

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

Suspension rear

Live axle, Trailing arm, Coil springs, Panhard rod, Anti-roll (anti-sway) bar (ARB)

Wheels front

Wheels rear

Tyres front

215/65 R 15

Tyres rear

215/65 R 15

Brakes front

ventilated disc

Brakes rear

drum

Brake diameter front

Brake diameter rear

Brakes details

servo-assisted, ABS (anti-lock braking system)

Braked area

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