Lamborghini Countach Prototype (1971) fixed-head coupé - technical specifications of 1971 Lamborghini Countach Prototype

Lamborghini Countach Prototype

(1971 model)

Brief specs of 1971 Lamborghini Countach Prototype

2-door 2-seater fixed-head coupé, petrol (gasoline) 12-cylinder 24-valve V engine, DOHC (double overhead camshafts, twin cam), 4971 cm³ / 303.3 cu in / 303.3 cu in, 328.1 kW / 440.0 hp / 440.0 hp @ 7400 rpm / 7400 rpm / 7400 rpm, 448.0 N·m / 330.4 lb·ft / 330.4 lb·ft @ 5750 rpm / 5750 rpm / 5750 rpm, manual 5-speed transmission, rear wheel drive, 306 km/h / 190 mph / 190 mph top speed

Marque (make)	Lamborghini	Issued from	1971
Model	Countach Prototype	Issued until
Serie	Countach	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Automobili Lamborghini SpA	Country	IT

Marque (make)

Lamborghini

Issued from

1971

Model

Countach Prototype

Issued until

Serie

Countach

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Automobili Lamborghini SpA

Country

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	2
Bodywork designer	Bertone	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

Bertone

Cargo capacity (volume)

Passenger space (volume)

Max. cargo capacity (volume)

Length	4100 mm / 161.4 in / 161.4 in	Total (curb) weight	1130 kg / 2491 lb / 2491 lb
Width	1850 mm / 72.8 in / 72.8 in	Dry weight
Height	1040 mm / 40.9 in / 40.9 in	Load capacity
Wheelbase	2464 mm / 97.0 in / 97.0 in	Gross (max.) weight
Track front	1500 mm / 59.1 in / 59.1 in	Towing weight
Track rear	1520 mm / 59.8 in / 59.8 in	Weight distribution (front)
Ground clearance		Fuel capacity	140 l / 30.8 UK gal / 36.9 US gal
Length/wheelbase ratio	1.66

Length

4100 mm / 161.4 in / 161.4 in

Total (curb) weight

1130 kg / 2491 lb / 2491 lb

Width

1850 mm / 72.8 in / 72.8 in

Dry weight

Height

1040 mm / 40.9 in / 40.9 in

Load capacity

Wheelbase

2464 mm / 97.0 in / 97.0 in

Gross (max.) weight

Track front

1500 mm / 59.1 in / 59.1 in

Towing weight

Track rear

1520 mm / 59.8 in / 59.8 in

Weight distribution (front)

Ground clearance

Fuel capacity

140 l / 30.8 UK gal / 36.9 US gal

Length/wheelbase ratio

1.66

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	1.64 m² / 17.6 sq ft / 17.6 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)

1.64 m² / 17.6 sq ft / 17.6 sq ft (est.)

Aerodynamic coefficient (Cd×A)

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

Engine Code		Total number of cylinders	12
Engine Type	V engine	Total number of valves	24
Engine Manufacturer	Lamborghini	Valves per cylinder	2
Engine construction	light alloy block & head	Bore	85.0 mm / 3.35 in / 3.35 in
Fuel	petrol (gasoline)	Stroke	73.0 mm / 2.87 in / 2.87 in
Fuel details		Bore/Stroke ratio	1.16
Fuel supply	6 We carbs	Engine displacement	4971 cm³ / 303.3 cu in / 303.3 cu in
Engine Main bearings	7	Unitary capacity	414.25 cm³/cylinder / 25.279 cu in/cylinder / 25.279 cu in/cylinder
Cam Design	DOHC (double overhead camshafts, twin cam)	Compression ratio	10.5 : 1
Sump		Max. output power	328.1 kW / 440.0 hp / 440.0 hp at 7400 rpm / 7400 rpm / 7400 rpm
Aspiration	natural	Max. torque	448.0 N·m / 330.4 lb·ft / 330.4 lb·ft at 5750 rpm / 5750 rpm / 5750 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	131.2 kW / 176.0 hp / 176.0 hp (est.)
Coolant	water	Specific output	66.0 kW/l / 1.450 bhp/cu in / 1.450 bhp/cu in
Catalytic converter	no	Specific torque	90.1 N·m/l / 0.79 lb·ft/cu in / 0.79 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

V engine

Total number of valves

Engine Manufacturer

Lamborghini

Valves per cylinder

Engine construction

light alloy block & head

Bore

85.0 mm / 3.35 in / 3.35 in

Fuel

petrol (gasoline)

Stroke

73.0 mm / 2.87 in / 2.87 in

Fuel details

Bore/Stroke ratio

1.16

Fuel supply

6 We carbs

Engine displacement

4971 cm³ / 303.3 cu in / 303.3 cu in

Engine Main bearings

Unitary capacity

414.25 cm³/cylinder / 25.279 cu in/cylinder / 25.279 cu in/cylinder

Cam Design

DOHC (double overhead camshafts, twin cam)

Compression ratio

10.5 : 1

Sump

Max. output power

328.1 kW / 440.0 hp / 440.0 hp at 7400 rpm / 7400 rpm / 7400 rpm

Aspiration

natural

Max. torque

448.0 N·m / 330.4 lb·ft / 330.4 lb·ft at 5750 rpm / 5750 rpm / 5750 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

131.2 kW / 176.0 hp / 176.0 hp (est.)

Coolant

water

Specific output

66.0 kW/l / 1.450 bhp/cu in / 1.450 bhp/cu in

Catalytic converter

Specific torque

90.1 N·m/l / 0.79 lb·ft/cu in / 0.79 lb·ft/cu in

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

Transmission type

manual

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	306 km/h / 190 mph / 190 mph
Acceleration 0-60 mph (97 km/h)	Power-to-weight ratio	389.4 kW/ton / 295.0 bhp/ton / 295.0 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

306 km/h / 190 mph / 190 mph

Acceleration 0-60 mph (97 km/h)

Power-to-weight ratio

389.4 kW/ton / 295.0 bhp/ton / 295.0 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	middle	Engine alignment	longitudinal
Steering	rack & pinion	Steering details
Turns lock-to-lock		Turning circle
Suspension front	Independent, Coil springs	Suspension rear	Independent, Coil springs
Wheels front		Wheels rear
Tyres front	205/70 VR 14	Tyres rear	215/70 VR 14
Brakes front	ventilated disc	Brakes rear	ventilated disc
Brake diameter front		Brake diameter rear
Brakes details	servo-assisted	Braked area

Engine location

middle

Engine alignment

longitudinal

Steering

rack & pinion

Steering details

Turns lock-to-lock

Turning circle

Suspension front

Independent, Coil springs

Suspension rear

Independent, Coil springs

Wheels front

Wheels rear

Tyres front

205/70 VR 14

Tyres rear

215/70 VR 14

Brakes front

ventilated disc

Brakes rear

ventilated disc

Brake diameter front

Brake diameter rear

Brakes details

servo-assisted

Braked area

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