Recent Arrival! Onyx Black 2024 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselLOCAL TRADE, ONE OWNER, Value Market Pricing, 10-Speed Automatic, 4WD, Atmosphere/Brownstone Leather.Certified. GM Certified Details:* Exchange policy is 30 days or 2,500 kilometres, whichever comes first* 24/7 roadside assistance for 3 months or 5,000 km (whichever comes first)* 3 months or 5,000 kilometres (whichever comes first) which can be extended or upgraded to an even more comprehensive Certified Pre-Owned Vehicle Protection Plan* 1-month OnStar trial and sign up for a paid plan to enjoy the first two months on us. GM Owner Centre and Mobile App. Free SiriusXM Trial* 150+ Point Inspection* 4.99% Financing for 24 Months On Eligible Certified Pre-Owned Models 24 Months - 4.99% 36 Months - 4.99% 48 Months - 4.99% 60 Months - 4.99% 72 Months - 5.49% 84 Months - 5.49%