answer
Exact catalog configuration
FuelEconomy.gov identifies this as configuration 49403 for the 2026 GMC Sierra 4WD with Sport Mode. The catalog row specifies 2.7L 4-cylinder Regular Gasoline SIDI, Automatic 8-spd, 4-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
- GMC
- model
- Sierra 4WD with Sport Mode
- engine
- 2.7L 4-cylinder Regular Gasoline SIDI
- source
- FuelEconomy.gov vehicles.csv
- fuelType
- Regular Gasoline
- cylinders
- 4
- modelYear
- 2,026
- drivetrain
- 4-Wheel Drive
SOURCES
- FuelEconomy.gov downloadable dataFuelEconomy.gov · primary source
applicability
Engine, transmission, and generation fields
Engine: 2.7L 4-cylinder Regular Gasoline SIDI. Transmission: Automatic 8-spd. Drive: 4-Wheel Drive. Fuel: Regular Gasoline. Vehicle class: not specified. Generation label: Catalog span 2026–2026. The generation basis is catalog_span, which means contiguous catalog coverage and not an asserted OEM chassis-generation boundary.
- make
- GMC
- model
- Sierra 4WD with Sport Mode
- engine
- 2.7L 4-cylinder Regular Gasoline SIDI
- source
- FuelEconomy.gov vehicles.csv
- fuelType
- Regular Gasoline
- cylinders
- 4
- modelYear
- 2,026
- drivetrain
- 4-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
- 26d4a3a2c561a828e8500023afef65a978a8752d981983dad56240f8634aca69
- sourceVehicleId
- 49403