GMC Sierra AT4X2026Pickup
2026 GMC Sierra AT4X 4WD Diesel: official NRCan rating, 12.1 L/100 km combined, 4WD.
| MSRP | — |
|---|---|
| Freight and PDI | $0 |
| Dealer fees | $0 |
| Before tax | — |
| HST (13 %) | — |
| Estimated total, Ontario | — |
Enter an MSRP to see the total: it is not published in our source data for this trim.
General sales tax rates. Some provinces use different rates for vehicles (for example higher BC PST tiers above $55,000). This is not a dealer quote.
Estimated monthly payment
—
Enter a price to calculate.
Estimate only. The 6.99% rate is an example; use your lender’s rate. Leases assume tax on each payment and exclude acquisition, excess-kilometre and end-of-lease fees. This is not a credit offer.
NRCan publishes fuel use for this configuration, not the Canadian MSRP. A price will appear here after it is checked against a manufacturer or dealer listing.
Source. Learn how we verify prices. This is not a dealer out-the-door quote.
Cheapest to run: Sierra AT4X 4WD Diesel, $4,239/yr · $21,193 over 5 years
Estimate from NRCan city and highway ratings, your split and your prices. Plug-in hybrids are calculated on gasoline unless comparison is on. Real-world use varies, especially in winter.
9 results
NRCan fuel type code D. File: 2026 Fuel Consumption Ratings, 28 September 2026.
2 safety recalls on file for the 2026 GMC Sierra AT4X.
This recall is for certain transfer case assemblies installed during production on certain new vehicles or sold as a replacement part.
On a small number of trucks, the transfer case assembly may not have been manufactured properly. As a result, the transfer case could fail and cause the front and/or rear wheels to lock up while driving.
Note: This recall only affects trucks equipped with four-wheel drive (4WD) or all-wheel drive (AWD). This recall affects transfer case part number 87842227.
Front and/or rear wheels that lock suddenly could cause a loss of control and increase the risk of a crash.
To reduce the safety risk, General Motors advises you not to drive your truck until the recall repairs have been completed. General Motors will notify owners by mail and advise you to contact a dealership to arrange for an inspection and, if necessary, a transfer case assembly replacement.
Filed under Sierra · Official Transport Canada notice ↗
On certain vehicles, the owner's manual may be missing. As a result, the vehicles may not meet certain requirements of Canadian regulations.
Note: For the Escalade model, the recall also affects certain 2026 model year Escalade IQ and Escalade IQL models.
A missing owner's manual could cause confusion on how to safely operate the vehicle and increase the risk of injury or a crash.
General Motors will notify owners by mail and advise you to take your vehicle to a dealership to install the owner's manual.
Filed under Sierra · Official Transport Canada notice ↗
Recalls Transport Canada has filed under this model name. A recall may cover only some versions or build dates, so check your VIN with the manufacturer or a dealer. Transport Canada says manufacturers almost always make these repairs free of charge. How to check your vehicle →
Against the competition
The GMC Sierra AT4X leads in 0 of 2 categories against 4 direct rivals.
MSRP not checked yet
Where it beats the Sierra AT4X
Where the Sierra AT4X wins
MSRP not checked yet
Where it beats the Sierra AT4X
Where the Sierra AT4X wins
MSRP not checked yet
Where it beats the Sierra AT4X
Where the Sierra AT4X wins
From $54,340
Where it beats the Sierra AT4X
| Spec | GMCSierra AT4XThis car | ChevroletSilverado ZR2 | ChevroletSilverado Mud Terrain | JeepGladiator | ToyotaTundra |
|---|---|---|---|---|---|
| Combined fuel use | 12.1 L/100 km | 11.1 L/100 km | 10.5 L/100 km | 12.4 L/100 km | 11.7 L/100 km |
| City / highway (L/100 km) | 12.2 / 12 | 11.6 / 10.5 | 11 / 9.9 | 13.7 / 10.8 | 12.7 / 10.5 |
| Vehonix efficiency score | 4.1/10 | 5.3/10 | 6/10 | 3.9/10 | 4.3/10 |
| Fuel type | Diesel | Diesel | Diesel | Gasoline | Hybrid |
| Drivetrain | 4x4 available | 4x4 available | 4x4 available | 4x4 available | 4x4 available |
| Drivetrains | 4WD | 4WD | 4WD | 4WD | 4WD, RWD |
| Rated configurations | 2 | 2 | 4 | 1 | 5 |
| Recalls this model year | 2 | 3 | 3 | 1 | 0 |
| Compare | Head-to-head → | Head-to-head → | Head-to-head → | Head-to-head → |
Rivals matched automatically: same body style, other brands, closest starting price (or fuel use when the price is missing). Fuel and ratings: NRCan 2026. Prices: manufacturer MSRP before freight and tax. “Best” only reflects the figures shown.
According to Natural Resources Canada, the most efficient configuration (Sierra AT4X 4WD Diesel) uses 12.1 L/100 km combined (12.2 city, 12 highway).
Yes. Every configuration NRCan rates is 4x4.
Dealer inventory isn’t available on Vehonix yet. See prices and taxes for your city.
Prices by city →