2.5-litre Busso V6

E535598

The 2.5-litre Busso V6 is a renowned Alfa Romeo six-cylinder petrol engine celebrated for its distinctive exhaust note, smooth power delivery, and widespread use in the brand’s performance models of the 1970s–1990s.

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Statements (47)

Predicate Object
instanceOf Alfa Romeo V6 engine
automobile engine
applicationType passenger cars
aspiration naturally aspirated
blockMaterial aluminium alloy
bore approximately 88 mm
camshaftPosition single camshaft per bank
combustionChambers crossflow
configuration V6
coolingSystem water-cooled
crankshaft forged steel
cylinders 6
designer Giuseppe Busso NERFINISHED
displacement 2.5 litres
emissionsControl catalytic converter in later versions
era 1970s–1990s Alfa Romeo performance models
family Alfa Romeo Busso V6 family NERFINISHED
fuelSystem carburettor
fuel injection
fuelType petrol
headMaterial aluminium alloy
ignitionSystem electronic ignition
layoutInVehicles front-engine
manufacturer Alfa Romeo NERFINISHED
marketPosition performance-oriented engine
notableFeature compact 60-degree V-angle
distinctive exhaust note
smooth power delivery
notableSoundCharacteristic metallic, musical intake and exhaust tone
notedByEnthusiastsAs one of the best-sounding production V6 engines
pistons aluminium
powerOutputRange approximately 118–140 kW
predecessor 2.0-litre Busso V6 NERFINISHED
productionEnd 1990s
productionStart early 1980s
stroke approximately 68 mm
successor 3.0-litre Busso V6 NERFINISHED
torqueOutputRange approximately 210–230 Nm
typicalOrientation longitudinal
usedIn Alfa Romeo 155 2.5 V6 NERFINISHED
Alfa Romeo 164 2.5 V6 NERFINISHED
Alfa Romeo 75 2.5 V6 NERFINISHED
Alfa Romeo 90 2.5 V6 NERFINISHED
Alfa Romeo GTV6 NERFINISHED
valvesPerCylinder 2
valvetrain single overhead camshaft
valveTrainDrive timing belt

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Alfa Romeo 75 notableEngine 2.5-litre Busso V6