What is the fuel economy of the 2021 GMC Sierra 1500?

The 2021 GMC Sierra 1500 is available in multiple trims, each with its own estimated fuel economy, here are the EPA estimates for each trim:
  1. SLT: 23 MPG City and 30 MPG Highway
  2. SLT: 17 MPG City and 23 MPG Highway
  3. SLE: 20 MPG City and 23 MPG Highway
  4. SLE: 23 MPG City and 30 MPG Highway
  5. Elevation: 23 MPG City and 30 MPG Highway
  6. Elevation: 20 MPG City and 23 MPG Highway
  7. Base: 20 MPG City and 23 MPG Highway
  8. Denali: 23 MPG City and 30 MPG Highway
  9. Denali: 17 MPG City and 24 MPG Highway
  10. AT4: 22 MPG City and 26 MPG Highway
  11. AT4: 16 MPG City and 21 MPG Highway
It is important to remember factors such as driving style, weather conditions, and the use of features such as Eco mode can impact fuel efficiency.

Is the 2021 GMC Sierra 1500 reliable?

The GMC Sierra 1500 received a rating of 3.5 out of 5 stars from RepairPal, which RepairPal describes as Above Average. This rating ranks the GMC Sierra 1500 as 3​​ out of 19​​ among Fullsize Truck

What is the towing capacity for the 2021 GMC Sierra 1500?

The 2021 GMC Sierra 1500 has a maximum towing capacity of between 9200 and 12000 pounds, when properly equipped. Various factors may impact towing capacity, including weight of passengers, cargo, and options/accessories.

What's new for the 2021 GMC Sierra 1500?

Here is what's new for the 2021 GMC Sierra 1500:
  • Long Bed
  • Bed Liner
  • A/C Seat(s)
  • Smart Key
  • Rear Defroster

This price does not include tax, title, and tags. Additional fees may also apply depending on the state of purchase.

Cars
GMC
Sierra 1500