The Harris County Institute of Forensic Sciences identified a stabbing victim as 43-year-old Altaf Hussain Malik.
Malik's wife said someone had expressed interest about the 2009 Audi A8 the family was selling.
Quratulain Malik told Eyewitness News her husband finished dinner and rushed out to show the vehicle to the interested buyer.
WATCH: Wife tells how she knew something was wrong
Houston police said Altaf Malik was stabbed to death on Thursday around 11:10 p.m.
His body was found covered in trash bags inside a dumpster at an apartment complex on Truxillo in Third Ward.
If you have seen the vehicle with Texas license plates HZX9910, or have information about Altaf Malik's murder, you can make an anonymous tip by calling Crime Stoppers at 713-222-TIPS.
You can also submit your tip online at www.crime-stoppers.org.
A GoFundMe page has been launched to help Malik's family with funeral expenses.