Andy Cross / The Denver Post)
At Dallas, Gabriel Landeskog had two goals and an assist to help Colorado slip past the Stars.
Landeskog was one of two Avalanche players to finish with three points. The other was Mikko Rantanen, who recorded a goal and two assists.
Tyson Barrie, Sheldon Dries and Colin Wilson also scored for Colorado, which received a 32-save effort from Semyon Varlamov.
The Avalanche finished the preseason with a 3-3-0 record.
Radek Faska, Jamie Benn, Jason Dickinson, Devin Shore and Tyler Seguin scored for Dallas, and Colton Point made 21 saves.