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614 Moody Street, Waltham

Conventional, Semi-Synthetic, or Synthetic Oil Change at Diamond Automotive (Up to 21% Off)

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Skilled technicians drain engines and refill them with new oil to ensure efficient operation of the vehicle

Customer Reviews

100% Verified Reviews
All reviews are from people who have redeemed deals with this merchant.
1 ratings1 reviews
July 16, 2021
The most reliable and honest mechanic I’ve ever been to!! Found them a couple months ago on Groupon for an oil change, and I’ve gone back for other work my car needed. They’ve saved me hundreds of dollars compared to another mechanic! I’ll never go anywhere else! And Joel is just the nicest guy!
4 ratings3 reviews
June 22, 2021
Quick and easy. Very pleasant workers and owner. I will go back.
1 ratings1 reviews
May 6, 2021
Knowledgeable staff, gave me great two cents for the car. Fast job, utilizing great service.
2 ratings1 reviews
February 10, 2021
nice people and good service!!
Roberttop reviewer helpful reviewer
45 ratings23 reviews4 photos
February 5, 2021
Quick efficient and pleasant
Sheatop reviewer helpful reviewer
28 ratings7 reviews
December 29, 2020
They were AMAZING they fit me in last minute right away and everything went so smoothly thanks so much!!!!

About This Deal

  • What’s included: up to 5 quarts of oil
  • Extra charge may apply for cars that require a specialty oil filter


  • How often should I change my oil?: It depends on your individual car. A safe bet is to refer to the mileage on the windshield sticker from your last oil change.
  • What kind of oil should I use?: It all depends on your individual vehicle. Check your owner’s manual or call the shop before purchasing your voucher to make sure you get the right type.

Fine Print

Promotional value expires 120 days after purchase. Amount paid never expires. Valid up to 5 quarts of oil. Extra charge may apply for cars that require a specialty oil filter. Limit 1 per person, may buy 2 additional as gift(s). May be repurchased every 90 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About Diamond Automotive

Having graduated from high school in 1969. Joel Diamond set up Diamond Automotive and since then he has been offering a variety of auto services, no matter the make or model. To keep each vehicle running smoothly, Joel and his co-workers perform an array of car repairs as well as maintenance services. In addition to that, they offer reasonably-priced tires.