Terrain SLT-2 4D Sport Utility and 3.0L V6 SIDI VVT. Move quickly! Call ASAP! How would you like riding home in this wonderful 2010 GMC Terrain at a price like this? This Terrains engine never skips a beat. Its nice being able to slip that key into the ignition and not having to cross your fingers every time. Awarded Consumer Guides rating as a 2010 Recommended Midsize SUV.