model year

2005 Chevrolet Silverado 2500 HD 2WD configuration 21564

Official US catalog configuration for the 2005 Chevrolet Silverado 2500 HD 2WD: 6L 8-cylinder Regular Gasoline, Automatic 4-spd, Rear-Wheel Drive.

Claim-level evidence reviewed Reviewed 8/27/2026

answer

Exact catalog configuration

FuelEconomy.gov identifies this as configuration 21564 for the 2005 Chevrolet Silverado 2500 HD 2WD. The catalog row specifies 6L 8-cylinder Regular Gasoline, Automatic 4-spd, Rear-Wheel Drive, and Regular Gasoline. This is a configuration record, not a statement that every vehicle sold under the same model name has this powertrain.

make
Chevrolet
model
Silverado 2500 HD 2WD
engine
6L 8-cylinder Regular Gasoline
source
FuelEconomy.gov vehicles.csv
fuelType
Regular Gasoline
cylinders
8
modelYear
2,005
drivetrain
Rear-Wheel Drive

SOURCES

applicability

Engine, transmission, and generation fields

Engine: 6L 8-cylinder Regular Gasoline. Transmission: Automatic 4-spd. Drive: Rear-Wheel Drive. Fuel: Regular Gasoline. Vehicle class: not specified. Generation label: Catalog span 2005–2005. The generation basis is catalog_span, which means contiguous catalog coverage and not an asserted OEM chassis-generation boundary.

make
Chevrolet
model
Silverado 2500 HD 2WD
engine
6L 8-cylinder Regular Gasoline
source
FuelEconomy.gov vehicles.csv
fuelType
Regular Gasoline
cylinders
8
modelYear
2,005
drivetrain
Rear-Wheel Drive

diagnosis

How to use this configuration

Match the VIN, emissions label, engine identifier, transmission, drivetrain, and build information before ordering a part or applying a diagnostic procedure. FuelEconomy.gov configuration IDs describe catalog variants; they do not prove the equipment installed on an individual vehicle.

individualVehicleClaim
No
vinVerificationRequired
Yes

methodology

Source and update method

This page is generated from one exact row in the official FuelEconomy.gov downloadable vehicle dataset. Car Trouble Lab stores the source vehicle ID and row digest, and republishes a new reviewed snapshot when the source facts change.

source
FuelEconomy.gov
rowSha256
3f182436b1b4da9f71689089169010726152d0fb14f8ba9784caaaa8edab02c2
sourceVehicleId
21564