2.5L Duratec inline-4
E218808
The 2.5L Duratec inline-4 is a naturally aspirated four-cylinder gasoline engine from Ford’s Duratec family, known for its balance of efficiency and performance in mid-size cars.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 2.5L Duratec inline-4 canonical | 1 |
| Duratec engine family | 1 |
| Ford Duratec engine family | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1961361 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 2.5L Duratec inline-4 Context triple: [Mercury Milan, engineOption, 2.5L Duratec inline-4]
-
A.
3.0 L Duratec V6
The 3.0 L Duratec V6 is a Ford-designed 3.0-liter V6 gasoline engine known for its use in various Ford, Mercury, and Mazda vehicles as a smooth, mid-size powerplant.
-
B.
4.2 L Vortec inline-6
The 4.2 L Vortec inline-6 is a GM-designed straight-six gasoline engine known for its smooth operation and use in mid-2000s SUVs and trucks.
-
C.
Vortec V6
The Vortec V6 is a family of Chevrolet/GMC truck V6 engines known for their improved fuel atomization, efficiency, and performance in light-duty pickups and SUVs.
-
D.
Vortec V8
Vortec V8 is a family of Chevrolet/GMC small-block V8 gasoline engines known for their use in GM trucks and SUVs, offering a balance of power, durability, and efficiency.
-
E.
Duramax V8 diesel
The Duramax V8 diesel is a family of turbocharged diesel engines co-developed by General Motors and Isuzu, widely used in heavy-duty Chevrolet and GMC trucks for their strong torque, towing capability, and durability.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 2.5L Duratec inline-4 Target entity description: The 2.5L Duratec inline-4 is a naturally aspirated four-cylinder gasoline engine from Ford’s Duratec family, known for its balance of efficiency and performance in mid-size cars.
-
A.
3.0 L Duratec V6
The 3.0 L Duratec V6 is a Ford-designed 3.0-liter V6 gasoline engine known for its use in various Ford, Mercury, and Mazda vehicles as a smooth, mid-size powerplant.
-
B.
4.2 L Vortec inline-6
The 4.2 L Vortec inline-6 is a GM-designed straight-six gasoline engine known for its smooth operation and use in mid-2000s SUVs and trucks.
-
C.
Vortec V6
The Vortec V6 is a family of Chevrolet/GMC truck V6 engines known for their improved fuel atomization, efficiency, and performance in light-duty pickups and SUVs.
-
D.
Vortec V8
Vortec V8 is a family of Chevrolet/GMC small-block V8 gasoline engines known for their use in GM trucks and SUVs, offering a balance of power, durability, and efficiency.
-
E.
Duramax V8 diesel
The Duramax V8 diesel is a family of turbocharged diesel engines co-developed by General Motors and Isuzu, widely used in heavy-duty Chevrolet and GMC trucks for their strong torque, towing capability, and durability.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Ford engine
ⓘ
gasoline engine ⓘ inline-four engine ⓘ internal combustion engine ⓘ |
| application |
Ford Escape
ⓘ
surface form:
Ford Escape (selected model years)
Ford Fusion ⓘ
surface form:
Ford Fusion (North America, selected model years)
Ford Transit Connect ⓘ
surface form:
Ford Transit Connect (selected model years)
Mazda6 ⓘ
surface form:
Mazda6 (selected model years, Mazda-derived variant)
mid-size passenger cars ⓘ |
| aspiration | naturally aspirated ⓘ |
| blockMaterial | aluminum ⓘ |
| boreStrokeDesign | undersquare or near-square design (varies by variant) ⓘ |
| combustionChambers | four combustion chambers ⓘ |
| compatibleTransmission |
automatic transmissions
ⓘ
manual transmissions (in some applications) ⓘ |
| coolingSystem | water-cooled ⓘ |
| cylinders | 4 ⓘ |
| designGoal | reliability and low maintenance for daily driving ⓘ |
| displacement | 2.5 liters ⓘ |
| emissionsControl |
catalytic converter
ⓘ
electronic engine management ⓘ |
| engineConfiguration | inline-4 ⓘ |
| engineCycle | four-stroke cycle ⓘ |
| exhaustSystem | four-into-one exhaust manifold ⓘ |
| family |
2.5L Duratec inline-4
self-linksurface differs
ⓘ
surface form:
Duratec engine family
|
| fuelSystem | sequential multi-port fuel injection ⓘ |
| fuelType | gasoline ⓘ |
| headMaterial | aluminum ⓘ |
| ignitionSystem | electronic ignition ⓘ |
| intakeSystem | multi-runner intake manifold ⓘ |
| intendedUse | front-wheel-drive vehicles ⓘ |
| layout | transverse mounting in most applications ⓘ |
| lubricationSystem | pressurized oil lubrication ⓘ |
| manufacturer | Ford Motor Company ⓘ |
| marketPosition | mainstream non-turbocharged engine option ⓘ |
| notableCharacteristic |
balance of efficiency and performance
ⓘ
smooth operation for a four-cylinder ⓘ widely used in North American Ford models ⓘ |
| oilPumpDrive | crankshaft-driven oil pump ⓘ |
| productionStatus | used in 2000s and 2010s Ford vehicles ⓘ |
| targetMarket | North American market ⓘ |
| typicalPowerOutput |
approximately 127 kW
ⓘ
approximately 170 hp ⓘ |
| typicalTorqueOutput |
approximately 170 lb-ft
ⓘ
approximately 230 N·m ⓘ |
| valvesPerCylinder | 4 ⓘ |
| valvetrain | DOHC ⓘ |
| valvetrainControl | variable valve timing on intake cam (in many applications) ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: 2.5L Duratec inline-4 Description of subject: The 2.5L Duratec inline-4 is a naturally aspirated four-cylinder gasoline engine from Ford’s Duratec family, known for its balance of efficiency and performance in mid-size cars.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Duratec engine family
this entity surface form:
Ford Duratec engine family