To test drive this 2015 GMC Sierra-3500HD in Vernon, near Kelowna, please fill-out this form and a specialist from Vernon's Used Car Superstore will contact you shortly. It will be our pleasure to book an appointment at the date and time of your best convenience, when you will have all the necessary time to test drive this 2015 GMC Sierra-3500HD at Vernon's Used Car Superstore in Vernon, near Kelowna. Don't wait any longer, test drive it now!