GMT400
E40606
GMT400 is General Motors’ full-size pickup and SUV platform produced from the late 1980s through the 1990s, underpinning vehicles like the Chevrolet C/K and GMC Sierra.
All labels observed (3)
| Label | Occurrences |
|---|---|
| GMT400 canonical | 4 |
| GM GMT400 platform | 1 |
| GMT400 platform | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T315587 — 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: GMT400 Context triple: [GMT800, predecessor, GMT400]
-
A.
GMT800
GMT800 is General Motors' full-size truck and SUV platform introduced in the late 1990s, underpinning vehicles like the Chevrolet Silverado and GMC Sierra.
-
B.
GMT
GMT (Greenwich Mean Time) is the mean solar time at the Royal Observatory in Greenwich, London, historically used as the international civil time standard and the basis for modern time zones.
-
C.
GMT900
GMT900 is General Motors' full-size truck and SUV platform used for late-2000s models such as the Chevrolet Silverado and related vehicles.
-
D.
Moscow Time
Moscow Time is the standard time zone used in Moscow and much of western Russia, corresponding to UTC+3 year-round.
-
E.
Madras Time
Madras Time was a former local time standard used in the Madras (now Chennai) region of India before the adoption of a unified national time zone.
- 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: GMT400 Target entity description: GMT400 is General Motors’ full-size pickup and SUV platform produced from the late 1980s through the 1990s, underpinning vehicles like the Chevrolet C/K and GMC Sierra.
-
A.
GMT800
GMT800 is General Motors' full-size truck and SUV platform introduced in the late 1990s, underpinning vehicles like the Chevrolet Silverado and GMC Sierra.
-
B.
GMT
GMT (Greenwich Mean Time) is the mean solar time at the Royal Observatory in Greenwich, London, historically used as the international civil time standard and the basis for modern time zones.
-
C.
GMT900
GMT900 is General Motors' full-size truck and SUV platform used for late-2000s models such as the Chevrolet Silverado and related vehicles.
-
D.
Moscow Time
Moscow Time is the standard time zone used in Moscow and much of western Russia, corresponding to UTC+3 year-round.
-
E.
Madras Time
Madras Time was a former local time standard used in the Madras (now Chennai) region of India before the adoption of a unified national time zone.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
General Motors platform
ⓘ
automobile platform ⓘ |
| alsoKnownAs |
GMT400
ⓘ
surface form:
GM GMT400 platform
GMT-400 ⓘ |
| bodyOnFrame | true ⓘ |
| bodyStyleSupported |
2-door SUV
ⓘ
4-door SUV ⓘ crew cab pickup (on some variants) ⓘ extended cab pickup ⓘ regular cab pickup ⓘ |
| category |
full-size SUV platform
ⓘ
full-size pickup truck platform ⓘ |
| frameType | ladder frame ⓘ |
| fuelTypeSupported |
diesel
ⓘ
gasoline ⓘ |
| manufacturer | General Motors ⓘ |
| market |
North America
ⓘ
selected export markets ⓘ |
| notableEngineFamily |
Vortec V8
ⓘ
surface form:
Chevrolet small-block V8
Detroit Diesel V8 (in some heavy-duty variants) ⓘ Vortec V6 ⓘ Vortec V8 ⓘ |
| notableFeature |
independent front suspension on most 4x4 models
ⓘ
introduced more aerodynamic styling compared to Square Body predecessors ⓘ |
| platformFor |
Chevrolet C/K
ⓘ
Chevrolet Silverado ⓘ
surface form:
Chevrolet Silverado (first generation, early years)
Chevrolet Suburban ⓘ Chevrolet Tahoe ⓘ
surface form:
Chevrolet Tahoe (2-door predecessor models, full-size SUV line)
Chevrolet C/K ⓘ
surface form:
Chevrolet full-size pickup trucks
GMC Sierra ⓘ GMC Sierra ⓘ
surface form:
GMC Sierra (first generation, early years)
GMC Suburban ⓘ GMC Yukon ⓘ
surface form:
GMC Yukon (2-door predecessor models, full-size SUV line)
GMC full-size pickup trucks ⓘ |
| predecessor |
Chevrolet C/K
ⓘ
surface form:
GM C/K (Square Body) platform
|
| productionEnd | 2000 ⓘ |
| productionStart | 1987 ⓘ |
| successor | GMT800 ⓘ |
| usedByBrand |
Cadillac (related heavy-duty and SUV derivatives in some markets)
ⓘ
Chevrolet ⓘ GMC ⓘ |
| usedForModelYears |
1988 model year
ⓘ
1998 model year ⓘ 1999 model year (certain models) ⓘ 2000 model year (certain SUVs and heavy-duty trucks) ⓘ |
| vehicleLayout |
front-engine, four-wheel drive
ⓘ
front-engine, rear-wheel drive ⓘ |
| wheelDriveOptions |
2WD
ⓘ
4WD ⓘ |
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: GMT400 Description of subject: GMT400 is General Motors’ full-size pickup and SUV platform produced from the late 1980s through the 1990s, underpinning vehicles like the Chevrolet C/K and GMC Sierra.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
GMT400 platform
this entity surface form:
GM GMT400 platform