Tempurpedic Mattress Reviews Summary. The high price tag of Tempurpedic mattresses often proves prohibitive for most shoppers. This company has always offered mid-luxury to luxury level mattresses, charging 20%-50% more than mattresses from other retailers with similar owner satisfaction and specifications. Okay, if you are considering buying this mattress please read my honest feedback: We purchased our Cal King tempurpedic grand in 2013 as a floor model for $7500. Buy DynastyMattress NEW Luxury Grand 15-Inch with 7.5-Inch Memory Foam Mattress, Eastern King Size: Home & Kitchen – Amazon.com FREE DELIVERY possible on eligible purchases Tips and comparisons to help you choose the best mattress. Every person has unique set of considerations when it comes to finding the best mattress, including sleep position, health concerns, firmness preferences, and personal size and shape. .