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Lamborghini Countach LP 400 S

(1977 model)

Brief specs of 1977 Lamborghini Countach LP 400 S

2-door 2-seater coupé, 12-cylinder 24-valve V engine, 3929 cm3 / 239.8 cu in / 239.8 cu in, 280.0 kW / 375.5 hp / 375.5 hp @ 8000 rpm / 8000 rpm / 8000 rpm, 361.0 N·m / 266.3 lb·ft / 266.3 lb·ft @ 5000 rpm / 5000 rpm / 5000 rpm, manual 5-speed transmission, rear wheel drive, 264 km/h / 164 mph / 164 mph top speed

units: metric UK US

Basic (general) data

Marque (make)LamborghiniIssued from1977
ModelCountach LP 400 SIssued until
SerieCountachNumber made
Model familyBody construction
Model codeBody designation
ManufacturerAutomobili Lamborghini SpACountryIT


Base platformNumber of doors2
Bodywork typecoupéNumber of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)4920 l / 173.75 cu ft / 173.75 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4150 mm / 163.4 in / 163.4 inTotal (curb) weight1370 kg / 3020 lb / 3020 lb
Width1900 mm / 74.8 in / 74.8 inDry weight
Height1080 mm / 42.5 in / 42.5 inLoad capacity
Wheelbase2460 mm / 96.9 in / 96.9 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance130 mm / 5.1 in / 5.1 inFuel capacity120 l / 26.4 UK gal / 31.7 US gal
Length/wheelbase ratio1.69  


Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.74 m2 / 18.8 sq ft / 18.8 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)


Engine CodeTotal number of cylinders12
Engine TypeV engine (V12)Total number of valves24
Engine ManufacturerValves per cylinder2
Engine constructionBore82.0 mm / 3.23 in / 3.23 in
FuelStroke62.0 mm / 2.44 in / 2.44 in
Fuel detailsBore/Stroke ratio1.32
Fuel supplyCarburettorEngine displacement3929 cm3 / 239.8 cu in / 239.8 cu in
Engine Main bearingsUnitary capacity327.42 cm3/cylinder / 19.980 cu in/cylinder / 19.980 cu in/cylinder
Cam DesignCompression ratio10.5 : 1
SumpwetMax. output power280.0 kW / 375.5 hp / 375.5 hp at 8000 rpm / 8000 rpm / 8000 rpm
AspirationnaturalMax. torque361.0 N·m / 266.3 lb·ft / 266.3 lb·ft at 5000 rpm / 5000 rpm / 5000 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)80.5 kW / 107.9 hp / 107.9 hp (est.)
CoolantwaterSpecific output71.3 kW/l / 1.566 bhp/cu in / 1.566 bhp/cu in
Catalytic converterSpecific torque91.9 N·m/l / 0.80 lb·ft/cu in / 0.80 lb·ft/cu in


Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio


Acceleration 0-50 mph (80 km/h)4.90 s / 4.90 s / 4.90 sTop (maximal) speed264 km/h / 164 mph / 164 mph
Acceleration 0-60 mph (97 km/h)6.20 s / 6.20 s / 6.20 sPower-to-weight ratio277.5 kW/ton / 210.3 bhp/ton / 210.3 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions


Engine locationmiddleEngine alignment
SteeringSteering details
Turns lock-to-lockTurning circle13.0 m / 42.7 ft / 42.7 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front215/70-R15Tyres rear215/70-R15
Brakes frontBrakes rear
Brake diameter front300 mm / 11.8 in / 11.8 inBrake diameter rear280 mm / 11.0 in / 11.0 in
Brakes detailsBraked area

Technical specifications and performance data of Lamborghini Countach LP 400 S


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