The Alfetta 1.8 is a rear wheel drive saloon (sedan) motor vehicle with a front mounted engine, sold by Alfa Romeo.
Power is produced by a double overhead camshaft, 1.8 litre naturally aspirated 4 cylinder powerplant, with 2 valves per cylinder that develops power and torque figures of 120 bhp (122 PS/89 kW) at 5800 rpm and 167 N·m (123 lb·ft/17 kgm) at 4000 rpm respectively.
The engine delivers its power through to the wheels via a 5 speed manual 'box.
It weighs a claimed 1120 kg at the kerb.
Maximum quoted speed is 178 km/h (111 mph), official fuel consumption figures are 6.7/8.9/12.2 l/100km 90 km/h / 120 km/h / urban per ECE.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater sedan/saloon | ||
| Nombre de portes | 4 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2510 | 98.8 | |
| Voies AV | 1365 | 53.7 | |
| Voies AR | 1360 | 53.5 | |
| Longueur | 4385 | 172.6 | |
| Largeur | 1640 | 64.6 | |
| Hauteur | 1430 | 56.3 | |
| Garde au sol | 140 | 5.5 | |
| 1.75 | |||
| Poids avec pleins | 1120 kg | 2469 | |
| Répartition poids AV | |||
| Réservoir à essence | 49 litres | 10.8 [12.9] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Alfa Romeo | ||
| Type moteur | |||
| Cylinders | Straight 4 | ||
| Cylindrée | 1.8 litre 1779 cc (108.561 cu in) |
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| Alésage × Course | 80 × 88.5 mm
3.15 × 3.48 in |
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| Rapport alésage / course | 0.9 | ||
| Distribution | double overhead camshaft (DOHC)
2 Soupapes par cylindre 8 Total vannes |
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| Puissance maximale (DIN) |
122 PS (120 bhp) (89 kW) à 5800 tr/mn |
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| Couple maximale (DIN) |
167 Nm (123 ft·lb) (17 kgm) à 4000 tr/mn |
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| Specific output (DIN) |
50.3 kW/litre 68.4 ps/litre 67.5 bhp/litre 1.11 bhp/cu in |
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(DIN) |
93.87 Nm/litre
1.13 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 9.5:1 | ||
| Carburant | 2 Weber 40 DCOE 32 carburettors | ||
| bmep (brake mean effective pressure) | 1179.6 kPa (171.1 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 444.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | N | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | 32 s | ||
| Vitesse | 178 km/h (111 mph) | ||
| Power-to-weight ratio | Higher is better 108.63 PS/tonne (1000 kg) 0.11 PS/kg 79.9 kW/tonne (1000 kg) 0.08 kW/kg 107.14 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 12.52 kg/kW 20.91 lb/bhp |
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| Consommation | |||
| Consommation | 6.7/8.9/12.2 l/100km 90 km/h / 120 km/h / urban per ECE | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 6.7/8.9/12.2 l/100km 90kmph/120kmph/urban | ||
| km/litre | 14.9/11.2/8.2 km/l 90kmph/120kmph/urban | ||
| UK MPG | 42.2/31.7/23.2 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 35.1/26.4/19.3 US MPG 90kmph/120kmph/urban | ||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 5½J x 14 | ||
| Roues AR | 5½J x 14 | ||
| Pneumatiques AV | 165 SR 14 | ||
| Pneumatiques AR | 165 SR 14 | ||
| Freins AV/AR | Di/Di | ||
| Diamètre des freins AV | 261 mm | ||
| Diamètre des freins AR | 250 mm | ||
| Braked area | |||
| Transmission | 5 speed manual | ||
| Rapport de démultiplication supérieure | 0.78 | ||
| Rapport de pont | 3.82 | ||
| Généralités | |||
| Carfolio.com ID | 609686 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 15.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1981 Alfa Romeo Alfetta 1.8 added 2019-10-05. Last modified 2020-03-16. |
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