The GMC Sierra warns of approaching vehicles with Cross-Traffic Alert. This 2026 GMC Sierra 2500's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. This 2026 GMC Sierra 2500 offers Apple CarPlay for seamless connectivity. Never get into a cold vehicle again with the remote start feature on this 3/4 ton pickup. This 3/4 ton pickup has auto-adjust speed for safe following. Keep your hands warm all winter with a heated steering wheel in it . The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. Bluetooth technology is built into this model, keeping your hands on the steering wheel and your focus on the road. See what's behind you with the back up camera on this GMC Sierra. This unit offers Android Auto for seamless smartphone integration. The GMC Sierra has a V8, 6.6L high output engine.