1970 Citroën SM

Citroen SM - — Citroen SM
Image courtesy of Citroen

The Citroën SM is a coupé designed by Robert Opron with 2 doors and a front mounted engine which delivers the power through the front wheels. The Citroën SM's engine is a naturally aspirated petrol, 2.7 litre, double overhead camshaft 90 degree V 6 cylinder with 2 valves per cylinder. In this application it develops 178 bhp (180 PS/133 kW) of power at 6250 rpm, and maximum torque of 232 N·m (171 lb·ft/23.7 kgm) at 4000 rpm. The engine drives the wheels compliments of a 5 speed manual gearbox. Having a stated kerb weight of 1500 kg, the Citroën SM can dispense with the 0-60 mph sprint in 8.3 seconds and the quarter mile from rest in 16.5 seconds. Its maximum speed claimed is 229 km/h, which is 142 mph.
Full specs

Body type
2 door fixed-head coupé with 2+2 seats
Length
4893 mm
Weight
1500 kg
Engine type
naturally aspirated petrol
Engine size
2.7 litre
Cylinders
6, V
Power
180 PS / 178 bhp / 133 kW @ 6250 rpm
Torque
232 Nm / 171 ft.lb / 23.7 kgm @ 4000 rpm
Acceleration
0-60 mph 8.3 s
Acceleration
0-100 km/h 9.2 s
Top speed
229 km/h / 142 mph

1970 Citroën SM

1970 Citroën SM dati
Carozzerie
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Carrozzeria	2+2 seater fixed-head coupé
Numero di porte	2
Disegno di	Robert Opron
Dimensioni e masse
Passo	2950	116.1
Carreggiata anteriore	1537	60.5
Carreggiata posteriore	1346	53
Lunghezza	4893	192.6
Larghezza	1836	72.3
Altezza	1321	52
Altezza minima de terra	152	6
	1.66
Massa veicolo in ordine di marcia	1500 kg	3307
Ripartizione anteriore	62% front
Capacita serbatoio carburante	89.8 litres	19.8 [23.7] UK [US] gal.
Aerodinamica
Coefficiente di resistenza
area frontale
CdA
Propulsore
	naturally aspirated petrol
Costruttore del motore	Maserati
Tipo	C114/03
Numero dei cilindri	V 6 in 90° vee
Cilindrata	2.7 litre 2670 cc (162.933 cu in)
Alesaggio × Corsa	87 × 75 mm 3.43 × 2.95 in
Rapporto di alesaggio/corsa	1.16
Distribuzione	double overhead camshaft (DOHC) 2 Valvole per cilindro 12 Valvole Totale
Potenza max (DIN)	180 PS (178 bhp) (133 kW) a 6250 giri/min
Coppia max (DIN)	232 Nm (171 ft·lb) (23.7 kgm) a 4000 giri/min
Specific output (DIN)	49.7 kW/litre 67.6 ps/litre 66.7 bhp/litre 1.09 bhp/cu in
(DIN)	86.89 Nm/litre 1.05 ft·lb/cu³
Engine construction
Lubrificazione
Rapporto di compressione	9:1
Alimentazione	Bo D-Jetronic fuel inj.
	1091.9 kPa (158.4 psi)
Regime massimi
Numero supporti di banco	4
Raffreddamento	Water
cilindrata unitaria	445 cc
Alimentazione	Normal
Compressore	N/A
Intercooler	None
Catalizzatore	N
Prestazioni
0-80km/h	6.4 s
0-60mph	8.3 s
0-100km/h	9.2 s
0-160km/h
0-400m	16.5 s
0-1000m	30.2 s
Velocità max.	229 km/h (142 mph)
Power-to-weight ratio	Higher is better 120.32 PS/tonne (1000 kg) 0.12 PS/kg 88.49 kW/tonne (1000 kg) 0.09 kW/kg 118.67 bhp/tonne (1000 kg) 0.12 bhp/kg 0.05 bhp/lb
Weight-to-power ratio	Lower is better 11.3 kg/kW 18.88 lb/bhp
Consumi/Emissioni
Consumo
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Emissioni di CO2
Emissioni di CO2
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
Autotelaio
Posizione del motore	front
Engine layout	longitudinal
Trazione	front wheel drive
Distribuzione di coppia	N/A
Sterzo
turns lock-to-lock	2.000
diametro di sterzata	10.50 m
Avantreno	I.HPS.W.
Retroreno	I.HPS.TA.
Cerchi anteriori
Cerchi posteriori
Pneumatici anteriori	205/70 VR 15
Pneumatici posteriori	205/70 VR 15
Freni ant/post	Di/Di-S
Diametro di freni anteriori	300 mm
Diametro di freni posteriori	259 mm
Braked area
Trasmissione	5 speed manual
Inizio rapporto di cambio	0.75
Rapporto finale	4.38
Generalità
Carfolio.com ID	25652
Production total
Codice di modello
RAC rating	28.2
Insurance classification	No information available
Tax band	No information available
1970 Citroën SM added before December 1995. Last modified 2013-06-19.