2021 GMC Canyon EPA Fuel Economy Summary

The 2021 GMC Canyon delivers an EPA-certified 18–23 MPG combined (16–20 city / 22–30 highway depending on engine and drivetrain) across 6 configurations. Estimated annual fuel costs range from $2,800 to $3,600.

Combined MPG
18–23 MPG
55% city / 45% highway weighted
City MPG
16–20 MPG
Stop-and-go urban cycle
Highway MPG
22–30 MPG
Sustained open-highway test
Annual Fuel Cost
$2,800–3,600
EPA estimate @ 15,000 miles/yr

Official EPA Fuel Economy Ratings by Configuration (6 Variants)

Laboratory certification test values across engine, transmission, and drivetrain permutations

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined Annual Fuel Cost CO2 (g/mi)
Canyon 2WD Diesel 2.8L Turbo-Diesel Rear-Wheel Drive Automatic 6-spd 20 MPG 30 MPG 23 MPG $3,450
Canyon 2WD Regular 2.5L 4-Cyl Gas Rear-Wheel Drive Automatic 6-spd 19 MPG 25 MPG 22 MPG $2,800
Canyon 4WD Diesel 2.8L Turbo-Diesel 4-Wheel Drive Automatic 6-spd 19 MPG 28 MPG 22 MPG $3,600
Canyon 2WD Regular 3.6L 6-Cyl Gas Rear-Wheel Drive Automatic 8-spd 18 MPG 25 MPG 21 MPG $2,950
Canyon 4WD Regular 2.5L 4-Cyl Gas 4-Wheel Drive Automatic 6-spd 19 MPG 24 MPG 21 MPG $2,950
Canyon 4WD Regular 3.6L 6-Cyl Gas 4-Wheel Drive Automatic 8-spd 16 MPG 22 MPG 18 MPG $3,400
EPA Test Methodology: Fuel economy estimates are determined by vehicle manufacturers in accordance with EPA regulations (40 CFR Part 600) and verified by EPA laboratories. Estimates assume 15,000 miles per year of driving (55% city, 45% highway) at prevailing fuel and electricity prices.

Deterministic Fuel Cost & Consumption Benchmarks

Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles

Fuel Cost per 25 Miles

$3.80–$4.86

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

652–833 Gallons

Estimated annual energy units needed for 15,000 miles

5-Year Fuel Cost vs Avg Vehicle

Official EPA Benchmark

Compared to the average new vehicle over 5 years

Official US Government Data Provenance

Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.