GMC Denali is considered a less expensive alternative to the Cadillac model that was first released in what year?
GMC Denali:  The Denali nameplate is often used as an insignia or status symbol, and in particular is popular as a less costly alternative to the Cadillac Escalade. Cadillac Escalade:  The Escalade was introduced for the 1999 model year in response to German and Japanese competitors and to Ford's 1998 release of the Lincoln Navigator.
1999