2020 GMC Yukon C1500 Specs

2 powertrain configurations on federal record for the 2020 GMC Yukon C1500: 5.3L 8-cyl Regular Gasoline; 6.2L 8-cyl Premium Gasoline, rated up to 18 MPG combined by the EPA.

Source: EPA federal records (fueleconomy.gov) · Updated 2026-10-26 · By CarWhere Research

2020 GMC Yukon C1500 engines, transmissions, drivetrains and EPA gas mileage
EngineTransmissionDrivetrainCityHighwayCombined
5.3L 8-cyl Regular GasolineAutomatic 6-spdRear-Wheel Drive152218
6.2L 8-cyl Premium GasolineAutomatic 10-spdRear-Wheel Drive142317

Yukon C1500 by year

Buying a used Yukon C1500? Specs are the easy half.

then check the specific car: the Full VIN Report shows that VIN's factory build, recall record, and market history before you pay for it.

Frequently asked questions

What engines does the 2020 GMC Yukon C1500 have?

2 engines on federal record: 5.3L 8-cyl Regular Gasoline; 6.2L 8-cyl Premium Gasoline, offered with Automatic 6-spd, Automatic 10-spd and Rear-Wheel Drive. The full per-configuration table is above.

What gas mileage does the 2020 GMC Yukon C1500 get?

EPA combined ratings run 17–18 MPG depending on configuration — the table above shows city/highway/combined for each engine, transmission, and drivetrain.

How do I get the specs for my exact VIN?

These are the federal-record configurations for the 2020 GMC Yukon C1500 overall. For one specific vehicle — its exact engine, trim, factory options, and original window sticker — decode the 17-character VIN free at carwhere.com/tools/vin-decoder.

Where does this data come from?

The U.S. EPA's public vehicle dataset (fueleconomy.gov) — the federal record of every US-market configuration since 1984 — refreshed 2026-10-26. Public-domain data; republish with attribution to CarWhere (carwhere.com).