2020 GMC Canyon

Compact Truck Diesel
GMC Canyon 2020
23MPG Combined
6 Trims
Updated February 27, 2026

Looking at the 2020 GMC Canyon? This Compact Truck offers 19–23 combined MPG depending on trim and comes with 6 available configurations. We break down the specs, safety data, and how it compares to the competition.

2020 GMC Canyon Specifications

SpecValue
Combined MPG19–23 combined MPG depending on trim
City MPG20
Highway MPG30
Body StyleCompact Truck
Fuel TypeDiesel
DriveRWD
Available Trims6

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto20/30/232.8L 4cylAutomatic 6-spd
Auto18/25/203.6L 6cylAutomatic 8-spd
Auto20/26/222.5L 4cylAutomatic 6-spd
Auto19/28/222.8L 4cylAutomatic 6-spd
Auto17/24/193.6L 6cylAutomatic 8-spd
Auto19/24/212.5L 4cylAutomatic 6-spd

Annual Fuel Cost

Based on EPA estimates, the 2020 GMC Canyon costs approximately $2,250 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

Compare the 2020 GMC Canyon

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Other Model Years

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