2023 GMC Sierra Diesel

Standard Pickup truck · diesel

Fuel economy
26mpg1
CO₂ 396 g/mi · 246 g/km2
EPA
Fuel cost
—3
Power
—4
NHTSA
Crash rating
—5
2 recall campaigns6
NHTSA
Kerb weight
—8
Warranty
yr
GMC

5 figures for this car, from EPA and NHTSA; sign in free to read them.

How much to run it26 mpg
Combined
26 mpg1EPA
EPA test cycle, combined · configuration Sierra 2WD
City · highway
mpgEPA
Tailpipe CO₂
396 g/mi2EPA246 g/km
tailpipe rating, driven as rated on the test cycle · 246 g/km
Fuel cost
—3
not estimated
How it performs—
Power
—4NHTSA
Engine
EPA
Transmission
EPA
Drive
EPA
How safe2 recalls
Crash rating
—5NHTSA
Recall campaigns
26NHTSA
NHTSA recall register, campaigns naming Sierra (2023) · as of
Complaints per 10,000 built
NHTSA
How bigStandard Pickup truck
Kerb weight
—8
EPA test weight
—9EPA
Class
Standard Pickup truckEPA
the publisher's own vehicle class
Body
PickupNHTSA
as NHTSA lists it
Ownership
Warranty
yrGMC
On the road in New York
NY DMV

Notes and sources

  1. Fuel economy: EPA combined test-cycle figure for the configuration Sierra 2WD. EPA data dated 2026-09-09, the latest modifiedOn date EPA records in vehicles.csv.↩
  2. CO₂: EPA's tailpipe rating for the car driven as rated on the test cycle — 396 g/mi, or 246 g/km.↩
  3. Fuel cost: not estimated. This site has no diesel price source yet, so no cost is computed for a diesel car.↩
  4. Not published for this car. The record's own reason is free to read with an account.↩
  5. Crash rating: NHTSA rated vehicles under this nameplate, but the ratings differ between the configurations it tested and none of them is this car's, so no rating is stated.↩
  6. Recall campaigns: NHTSA's count for this nameplate (Sierra), as of . Each is repaired free of charge by dealers.↩
  7. Not published for this car. The record's own reason is free to read with an account.↩
  8. Not published for this car. The record's own reason is free to read with an account.↩
  9. This car is measured on the diesel scale: miles per gallon, the tailpipe CO₂ rating and horsepower. MPGe and charge-weighted CO₂ are electric-scale quantities and do not apply to it.↩
  10. Price: no free, resellable source publishes a price for any 2023 car sold in the United States, so none is shown for any car in this market.↩

Sources: EPA · NHTSA — about these sources →