Which GMC SUV Has the Best Fuel Economy: Terrain, Acadia, or Yukon?
The GMC Terrain delivers the highest fuel economy in the GMC SUV lineup, using a compact frame and efficient four-cylinder powertrain to minimize gas consumption. The midsize GMC Acadia sits in the middle with balanced efficiency from its turbocharged 2.5-liter 4-cylinder engine, while the full-size GMC Yukon registers lower fuel economy figures due to its…