About Martinez Auto Sales

Buying a classic car, minus the runaround.

Classic, collector and performance cars — hand-picked, inspected, honestly described and delivered anywhere in the USA from our showroom in South Sioux City, Nebraska.

Our story

Great cars, straight answers.

Martinez Auto Sales is a classic and collector car dealer in South Sioux City, Nebraska, built around one idea: buying a special car should be simple and honest. Every car on our lot is chosen by hand, inspected in our own shop and photographed in detail, from Tri-Five Chevys and finned Cadillacs to big-block muscle cars and pony cars.

You get complete listings, real photos and straight answers, with delivery to your driveway anywhere in the country. Every purchase is backed by our 14-day buy-back and a 30-day mechanical warranty.

See what's on the lot

Inspected cars

Every car is inspected and prepped in our own shop before it's listed. What isn't perfect gets written down.

Doorstep delivery

Enclosed, insured transport to your driveway, with the driver's updates passed along until your car arrives.

Fair pricing

Honest asking prices and no back-and-forth games. You see the paperwork before any money changes hands.

Real people

Talk to people who know the cars. Ask for more photos or a walkaround video and we'll send them.

Visit the showroom

Come see the car in person.

Call ahead and we'll have the car ready when you arrive.

Get directions (402) 448-4644

Showroom

201 W 8th St
South Sioux City, NE 68776

Hours

Mon–Fri 8 AM – 5 PM
Sat 8 AM – 12 PM · Sun closed

Let's find your next car

Looking for a specific model?

Tell us the make, model and year you're after — we'll let you know when one comes in.