Chevrolet Impala Custom Hardtop (1972) fixed-head coupé - technical specifications of 1972 Chevrolet Impala Custom Hardtop

Chevrolet Impala Custom Hardtop

(1972 model)

Brief specs of 1972 Chevrolet Impala Custom Hardtop

2-door 5-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 6586 cm³ / 401.9 cu in / 401.9 cu in, 126.8 kW / 170.0 hp / 170.0 hp @ 3400 rpm / 3400 rpm / 3400 rpm, 440.0 N·m / 324.5 lb·ft / 324.5 lb·ft @ 2000 rpm / 2000 rpm / 2000 rpm, automatic 3-speed transmission, rear wheel drive, 169 km/h / 105 mph / 105 mph top speed

Marque (make)	Chevrolet	Issued from	1972
Model	Impala Custom Hardtop	Issued until
Serie	Impala	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	General Motor Company	Country	US,BR,KR,ZA

Marque (make)

Chevrolet

Issued from

1972

Model

Impala Custom Hardtop

Issued until

Serie

Impala

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

General Motor Company

Country

US,BR,KR,ZA

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	5585 mm / 219.9 in / 219.9 in	Total (curb) weight	1972 kg / 4348 lb / 4348 lb
Width	2019 mm / 79.5 in / 79.5 in	Dry weight
Height	1359 mm / 53.5 in / 53.5 in	Load capacity
Wheelbase	3086 mm / 121.5 in / 121.5 in	Gross (max.) weight
Track front	1628 mm / 64.1 in / 64.1 in	Towing weight
Track rear	1626 mm / 64.0 in / 64.0 in	Weight distribution (front)
Ground clearance	145 mm / 5.7 in / 5.7 in	Fuel capacity	87 l / 19.2 UK gal / 23.0 US gal
Length/wheelbase ratio	1.81

Length

5585 mm / 219.9 in / 219.9 in

Total (curb) weight

1972 kg / 4348 lb / 4348 lb

Width

2019 mm / 79.5 in / 79.5 in

Dry weight

Height

1359 mm / 53.5 in / 53.5 in

Load capacity

Wheelbase

3086 mm / 121.5 in / 121.5 in

Gross (max.) weight

Track front

1628 mm / 64.1 in / 64.1 in

Towing weight

Track rear

1626 mm / 64.0 in / 64.0 in

Weight distribution (front)

Ground clearance

145 mm / 5.7 in / 5.7 in

Fuel capacity

87 l / 19.2 UK gal / 23.0 US gal

Length/wheelbase ratio

1.81

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	2.33 m² / 25.1 sq ft / 25.1 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)

2.33 m² / 25.1 sq ft / 25.1 sq ft (est.)

Aerodynamic coefficient (Cd×A)

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

Engine Code		Total number of cylinders	8
Engine Type	V engine	Total number of valves	16
Engine Manufacturer	GM	Valves per cylinder	2
Engine construction		Bore	104.9 mm / 4.13 in / 4.13 in
Fuel	petrol (gasoline)	Stroke	95.2 mm / 3.75 in / 3.75 in
Fuel details		Bore/Stroke ratio	1.1
Fuel supply		Engine displacement	6586 cm³ / 401.9 cu in / 401.9 cu in
Engine Main bearings	5	Unitary capacity	823.25 cm³/cylinder / 50.238 cu in/cylinder / 50.238 cu in/cylinder
Cam Design	OHV (overhead valve, I-head)	Compression ratio	8.5 : 1
Sump		Max. output power	126.8 kW / 170.0 hp / 170.0 hp at 3400 rpm / 3400 rpm / 3400 rpm
Aspiration	natural	Max. torque	440.0 N·m / 324.5 lb·ft / 324.5 lb·ft at 2000 rpm / 2000 rpm / 2000 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	61.0 kW / 81.8 hp / 81.8 hp (est.)
Coolant	water	Specific output	19.2 kW/l / 0.423 bhp/cu in / 0.423 bhp/cu in
Catalytic converter		Specific torque	66.8 N·m/l / 0.58 lb·ft/cu in / 0.58 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

V engine

Total number of valves

Engine Manufacturer

Valves per cylinder

Engine construction

Bore

104.9 mm / 4.13 in / 4.13 in

Fuel

petrol (gasoline)

Stroke

95.2 mm / 3.75 in / 3.75 in

Fuel details

Bore/Stroke ratio

1.1

Fuel supply

Engine displacement

6586 cm³ / 401.9 cu in / 401.9 cu in

Engine Main bearings

Unitary capacity

823.25 cm³/cylinder / 50.238 cu in/cylinder / 50.238 cu in/cylinder

Cam Design

OHV (overhead valve, I-head)

Compression ratio

8.5 : 1

Sump

Max. output power

126.8 kW / 170.0 hp / 170.0 hp at 3400 rpm / 3400 rpm / 3400 rpm

Aspiration

natural

Max. torque

440.0 N·m / 324.5 lb·ft / 324.5 lb·ft at 2000 rpm / 2000 rpm / 2000 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

61.0 kW / 81.8 hp / 81.8 hp (est.)

Coolant

water

Specific output

19.2 kW/l / 0.423 bhp/cu in / 0.423 bhp/cu in

Catalytic converter

Specific torque

66.8 N·m/l / 0.58 lb·ft/cu in / 0.58 lb·ft/cu in

Transmission type	automatic	Number of gears	3
Wheel drive	rear wheel drive	Top gear (drive) ratio	1
		Final gear (drive) ratio

Transmission type

automatic

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

Final gear (drive) ratio

Acceleration 0-50 mph (80 km/h)		Top (maximal) speed	169 km/h / 105 mph / 105 mph
Acceleration 0-60 mph (97 km/h)	11.20 s / 11.20 s / 11.20 s	Power-to-weight ratio	86.2 kW/ton / 65.3 bhp/ton / 65.3 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	20.50 s / 20.50 s / 20.50 s (top 81 km/h / 50 mph / 50 mph)	Fuel consumption, Euro
Standing kilometer time		CO₂ emissions
		Range

Acceleration 0-50 mph (80 km/h)

Top (maximal) speed

169 km/h / 105 mph / 105 mph

Acceleration 0-60 mph (97 km/h)

11.20 s / 11.20 s / 11.20 s

Power-to-weight ratio

86.2 kW/ton / 65.3 bhp/ton / 65.3 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

20.50 s / 20.50 s / 20.50 s (top 81 km/h / 50 mph / 50 mph)

Fuel consumption, Euro

Standing kilometer time

CO₂ emissions

Range

Engine location	front	Engine alignment	longitudinal
Steering		Steering details
Turns lock-to-lock	2.9	Turning circle
Suspension front	Independent, Coil springs	Suspension rear	Live axle, Coil springs
Wheels front		Wheels rear
Tyres front	H78 x 15	Tyres rear	H78 x 15
Brakes front	disc	Brakes rear	drum
Brake diameter front		Brake diameter rear
Brakes details	servo-assisted	Braked area

Engine location

front

Engine alignment

longitudinal

Steering

Steering details

Turns lock-to-lock

2.9

Turning circle

Suspension front

Independent, Coil springs

Suspension rear

Live axle, Coil springs

Wheels front

Wheels rear

Tyres front

H78 x 15

Tyres rear

H78 x 15

Brakes front

disc

Brakes rear

drum

Brake diameter front

Brake diameter rear

Brakes details

servo-assisted

Braked area

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