2021 GMC 3500
Nav System, Heated Leather Seats, Turbo Charged Engine, Four Wheel Drive, Premium Sound System**, Cross-Traffic Alert, WiFi Hotspot, TRANSMISSION, ALLISON 10-SPEED AUTOMA. GOOSENECK / 5TH WHEEL PREP PACKAGE, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8. TECHNOLOGY PACKAGE, AUDIO... via CarSoup