Using OBSSSSD Paint Seal as a last step finish product for this 2006 GMC Denali. The sealant looks great, has good longevity, and is easy to apply. From the manufacturer: "OBSSSSD™ Paint Seal Final Protectant is the perfect sealant to protect a daily-driven vehicle in all weather conditions. OBSSSSD™ Paint Seal has been engineered to provide an exceptionally deep, wet-looking shine for months while protecting from oxidation, road salts, harsh environmental elements, and UV radiation." — Products shown: OBSSSSD Paint Seal 16oz PRODUCT LINK