Discover Unmatched Selection at Killeen Certified At Killeen Certified, your search ends here! Explore our extensive inventory, featuring a vast selection of used cars, trucks, SUVs, fleet, commercial vehicles, and much more. With hundreds of used and certified pre-owned vehicles representing leading automotive brands, we offer the largest and most diverse collection in Central Texas. When it comes to selection and value, no other dealership comes close to what Killeen Certified has to offer.