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Citroën SM

(1973 model)

Brief specs of 1973 Citroën SM

6-cylinder V engine, DOHC (double overhead camshafts, twin cam), 2670 cm3 / 162.9 cu in / 162.9 cu in, 135.0 kW / 181.0 hp / 181.0 hp, 233.2 N·m / 172.0 lb·ft / 172.0 lb·ft, manual 5-speed transmission, front wheel drive

units: metric UK US

Basic (general) data

Marque (make)CitroënIssued from1973
ModelSMIssued until
SerieSMNumber made
Model familyBody construction
Model codeBody designation
ManufacturerCitroënCountryFR

Bodywork

Base platformNumber of doors
Bodywork typeNumber of seats
Bodywork designerCargo capacity (volume)
Passenger space (volume)3550 l / 125.37 cu ft / 125.37 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4920 mm / 193.7 in / 193.7 inTotal (curb) weight
Width1840 mm / 72.4 in / 72.4 inDry weight
Height1330 mm / 52.4 in / 52.4 inLoad capacity
Wheelbase2960 mm / 116.5 in / 116.5 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance160 mm / 6.3 in / 6.3 inFuel capacity
Length/wheelbase ratio1.66  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.08 m2 / 22.4 sq ft / 22.4 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders6
Engine TypeV engine (V6)Total number of valves
Engine ManufacturerValves per cylinder
Engine constructionBore86.9 mm / 3.42 in / 3.42 in
FuelStroke74.9 mm / 2.95 in / 2.95 in
Fuel detailsBore/Stroke ratio1.16
Fuel supplyCarburettorEngine displacement2670 cm3 / 162.9 cu in / 162.9 cu in
Engine Main bearingsUnitary capacity444.23 cm3/cylinder / 27.109 cu in/cylinder / 27.109 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio9.0 : 1
SumpMax. output power135.0 kW / 181.0 hp / 181.0 hp at
AspirationnaturalMax. torque233.2 N·m / 172.0 lb·ft / 172.0 lb·ft at
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)54.0 kW / 72.4 hp / 72.4 hp (est.)
CoolantSpecific output50.6 kW/l / 1.111 bhp/cu in / 1.111 bhp/cu in
Catalytic converterSpecific torque87.4 N·m/l / 0.76 lb·ft/cu in / 0.76 lb·ft/cu in

Transmission

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

Performance

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/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
  Range

Chassis

Engine locationfrontEngine alignment
SteeringSteering details
Turns lock-to-lockTurning circle11.0 m / 36.1 ft / 36.1 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Citroën SM

Infobox

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