The GMC Yukon currently offers three engine options: two gasoline V8s and a diesel inline-six. Specifically, buyers can choose a 5.3-liter V8, a 6.2-liter V8, or a 3.0-liter Duramax turbo diesel.
Beyond identifying the engines, this piece explains how each powertrain translates to performance, towing capability, and which Yukons they typically equip. The Yukon’s engines are paired with a 10-speed automatic transmission and vary by trim level and configuration, with the diesel often appealing to long-haul performance and fuel economy enthusiasts.
Gasoline engine options
Here are the gasoline powertrains commonly found in the Yukon lineup, along with their primary output figures.
- 5.3L V8 EcoTec3 — 355 horsepower and 383 lb-ft of torque
- 6.2L V8 EcoTec3 — 420 horsepower and 460 lb-ft of torque
- Note: Gasoline engines are typically paired with the 10-speed automatic transmission, offering strong towing and on-road performance across trims.
Gasoline powertrains provide robust everyday performance and are widely chosen for their lower upfront cost and strong towing capability, with the 6.2L V8 offering the strongest on-pavement acceleration in the lineup.
Duramax diesel option
The Yukon also offers a 3.0L Duramax Turbo Diesel I6 for buyers prioritizing highway efficiency and sustained torque for longer trips or heavier towing.
- 3.0L Duramax Turbo Diesel I6 — 277 horsepower and 460 lb-ft of torque
The diesel engine is well-regarded for its steady torque curve and fuel-economy advantage on long highway drives, though it produces less peak horsepower than the big V8s.
Summary
In short, the GMC Yukon’s engine lineup includes two gas V8 options (5.3L and 6.2L) and a 3.0L Duramax diesel. Each powertrain targets different priorities—from base-level capability and strong everyday performance to high-end towing and improved highway efficiency—so buyers can tailor the Yukon to their needs.