Sierra Mazda in Ottawa including address, phone, dealer reviews, directions, a map, inventory and more

A member of the family

510 E Norris Dr
Ottawa, IL 61350

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Sales: 815-433-1666

Used Cars: 815-915-4333

Hours Toggle

Sales Department

Sun Closed
Mon 8:00am – 7:00pm
Tue 8:00am – 7:00pm
Wed 8:00am – 7:00pm
Thu 8:00am – 7:00pm
Fri 8:00am – 7:00pm
Sat 8:00am – 5:00pm

Service Department

Sun Closed
Mon 7:30am – 5:00pm
Tue 7:30am – 5:00pm
Wed 7:30am – 5:00pm
Thu 7:30am – 5:00pm
Fri 7:30am – 5:00pm
Sat 7:30pm – 12:00pm

Reviews of Sierra Mazda

Overall Rating:

3.6 (out of 5)

65% recommend this dealer

20 total reviews

Showing the most recent reviews from and DealerRater.

1.0 (out of 5)


Reviewed by Average Joe from Ottawa ILApril 25, 2021

Poorly run, no communication on the service department, no loaner vehicles are available ever. Even when you spend thousands of dollars in service. They treat you like dirt

  • Does not recommend this dealer
  • Came in for service or repair
  • Did not make a purchase

Overall Facilities N/A

Customer Service 1

Buying Process 1

Quality of Repair 1

Maximum rating = 5

1.5 (out of 5)

AVOID at all costs!

Reviewed by Aaron from Iowa City, IowaJanuary 18, 2021

AVOID at all costs! They stole almost $1,000 from me, and sold me a car with a gas tank that leaks if you fill it up. I'd give them zero stars if I could. They over-collected on my purchase and have been very shady with excuses as to why they have not reimbursed me. I bought a used CX5 from them in July. I'm from Iowa, but have purchased cars out of state with no problems before. They collected the sales tax and licensing/registration fees which should have been sent to my local DMV. It took months to get the title, even though I bought the car outright. (lots of COVID-delay excuses, and then they said the original lender still had the title tied up for some reason). I was patient at that time, but when the title finally showed up, they hadn't sent the money they collected for the sales tax, license, and registration fees. Almost $1,000. And the amounts on the paperwork they sent me did not match the paperwork I signed on the day of the sale. My local DMV called them several times and got no response. I ended up paying for it all myself since my temp plate had been expired for over a month. At this point, I had been handed off to several different contacts at the dealership, but finally got a hold of a George Honiotes, who sounded nice and when I explained what was going on, he looked into it and said, "oh yeah, looks like we need to cut you a check for the difference". MONTHS have gone by since then, and I've contacted him 2 or 3 other times, once he said he needed the manager to ok it, but they were out for two weeks with COVID. Ever since that reply, I've had no response from them. I'm filing a report with the Better Business Bureau, and if that doesn't do it, I guess I'll have to get more aggressive. I was also trying to get them to look at the leaking gas tank, but I'm guessing since they can't even get me the money they wrongly took, I'll never get them to fix the car. First things first. I would never have expected a good sized dealership like this to be so shady. Not when it's a clear cut case of them taking my money and not using it for what it was intended. Anyway, that's my story, so when shopping at this place, buyer beware.

  • Does not recommend this dealer
  • Shopped for a used car
  • Did make a purchase

Overall Facilities N/A

Customer Service 1

Buying Process 3

Quality of Repair 1

Maximum rating = 5

1.8 (out of 5)

Sold me a lemon

Reviewed by Karla from Ottawa ilMay 01, 2019

They have really gone downhill. I have always bought my cars from Sierra but all they are concerned about is $. I haven't even had my jeep a year and you name it, it's all going wrong not to mention the parts they were to have for me and I am still waiting.

  • Does not recommend this dealer
  • Shopped for a used car
  • Did make a purchase

Dealer Response

So sorry your having issues. Please feel free to reach out to Bill Walsh Jr at 815-252-2323 to try to get this resolved.

Overall Facilities N/A

Customer Service 2

Buying Process 2

Quality of Repair 1

Maximum rating = 5

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