The DTS can hold either five or six occupants, with a choice of front bucket seats or a front bench. Compared with the DeVille, the instrument panel has been lowered and moved forward. A new analog clock is installed, and genuine burl wood trim is available.

Tri-zone climate control is standard. Available features include heated and cooled front seats, heated rear seats, a heated steering wheel, Adaptive Remote Start (with a personalization provision), power folding mirrors, rain-sensing wipers and heated windshield-washer fluid. Front and rear ultrasonic parking assistance, IntelliBeam automatic high-beam headlights, an in-dash six-CD changer with MP3 capability and adaptive cruise control also are available. Additional features include XM Satellite Radio, a DVD-based navigation system and GM's OnStar communication system.