Diamond Jim’s Auto Sales in Milwaukee, WI

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Diamond Jim's Motor Auto Sales offers the finest hand-picked pre-owned vehicles, nationwide financing, shipping, vehicle detailing, and a full range of vehicle warranties and service agreements, since 1978.

With two locations situated just six blocks apart on South 27th St. in Milwaukee, Wisconsin, we have over 200 cars in stock.

We are the Midwest's largest pre-owned Cadillac dealer, and also carry a wide selection of domestic and import vehicles.

All of our cars are fully inspected and professionally cleaned to ensure your peace of mind. Our friendly and knowledgeable sales department is ready to answer all of your questions, and help to make sure your deal is quick and easy to complete.


Established in 1978.

Diamond Jim's was established in 1978 with the original car dealership on National Ave. After over three decades in business, and several locations, the business now resides with two lots on South 27th. Street Milwaukee.

Diamond Jim’s Auto Sales

Dealer Info:

Phone(s):(414) 281-6868
Address:5848 S 27th St, Milwaukee, WI, 53221
  • Monday: 9:00 am - 8:00 pm
  • Tuesday: 9:00 am - 8:00 pm
  • Wednesday: 9:00 am - 8:00 pm
  • Thursday: 9:00 am - 8:00 pm
  • Friday: 9:00 am - 8:00 pm
  • Saturday: 9:00 am - 6:00 pm
  • Sunday: Closed