THE SPECS GUIDE

2018 GMC Heavy Conventional

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Specification 92.5 IN. BBC Heavy Conventional Steel · 4WD 1GTH6CEN-J 92.5 IN. BBC Heavy Conventional Steel 1GTH5CEA-J
Engine 5.8L 6-cyl 5.7L 8-cyl
Drivetrain Four-wheel drive Not recorded
Fuel Diesel Gasoline
Body Truck-Tractor Truck-Tractor
Median asking price $19,159 Not recorded
Price observations 27 Not recorded
Price sample updated Oct 11, 2026 Not recorded

Missing data does not mean a feature is absent. Prices are advertised asking prices for each pattern’s own sample, not completed sale prices or a trim-wide average.

EXPLORE THE LINEUP

Find your Heavy Conventional

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2018 Heavy Conventional

92.5 IN. BBC Heavy Conventional Steel

2 VIN patterns
5.7L 8-cyl · Gasoline · 4X2 1 pattern · View specs
1GTH5CEA-J → 75 VINs in our data

Truck-Tractor

No qualifying asking-price sample for this pattern.

5.8L 6-cyl · Diesel · Four-wheel drive 1 pattern · View specs
1GTH6CEN-J → 574 VINs in our data

Truck-Tractor

$19,159 median asking price

27 price observations · Updated Oct 11, 2026

Source: manufacturer specifications decoded through NHTSA vPIC, alongside VIN and listing records in our dataset. Trim groups are for browsing; shared labels do not establish identical equipment. Confirm options on the specific vehicle.

THE MARKET VIEW

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