Best Car Tune Up Services in Longmont, CO

The highest-rated Car Tune Up and Diagnostics companies out of 116 vetted & reviewed in the Longmont area.

Twin Peaks Auto Repair

Twin Peaks Auto Repair

(45)
Air Conditioning, Failed Emissions Test, Transmission and Clutch Repair and Replacement
“My biggest thanks and gratitude goes out to Mike, I had already left town and my girlfriend was leaving after me, and on her last day, I sent her on down to ask Mike to check the air, as her loaded car wouldn't fill up the tires right at the gas stat...”
Coupons & Offers
Locally Owned & Operated
ASE, ASE, ASE, ASE, ASE Certified
In Business Since 2008
1242 Bramwood Pl #4, Longmont, CO
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Stonum Automotive

Stonum Automotive

(48)
Engine Overhaul and Replacement, Electronic Services, Oil Change Service
“They checked all the lights on my car, found the mystery problem with the headlights, checked and added oil, checked and added antifreeze, and discovered 5 more lights on the back end that needed replacing.”
Accepts Debit
Coupons & Offers
Licensed, BBB Rating: A+
In Business Since 2009
1812 Sunset Pl, Longmont, CO
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Performance Restoration Dent Repair

Performance Restoration Dent Repair

(50)
“Joriah is certainly a master of his craft and was great to work with, extremely transparent about what could be done and what to expect, couldn't be more impressed with the result.”
Free Initial Consultation
In Business Since 2020
520 2nd Ave, Longmont, CO
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A2Z Complete Car Care

A2Z Complete Car Care

(26)
Auto Maintenance, Brakes & Suspension Services, Auto Repair Services
“It's really nice feeling like I can trust my mechanic to not overcharge me, or do unnecessary work just because I'm a woman that doesn't know anything about cars.”
Accepts All Major Credit Cards
Family Business
Licensed, BBB Accredited
In Business Since 2023
220 Coffman St, Longmont, CO
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Theboostcreep Ltd.

Theboostcreep Ltd.

(48)
  • Mechanic
  • e85
  • Dyno
“If you are looking for a good, reliable tuning place that especially support Cobb Access, and have a good knowledge working on Subies, you are in good hand with Harvey and Jerry.”
In Business Since 2009
245 3rd Ave, Longmont, CO
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5250 Performance

5250 Performance

(39)
  • Communication
  • Dyno
  • Cats
“Brought the vehicle in and they were able to repair the firewall and found another area in the pedal assembly that was the culprit of the terrible squeak.”
Transparent Fees & Pricing
In Business Since 2010
3987 S Valley Dr, Longmont, CO
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Seasons Performance Auto Repair

Seasons Performance Auto Repair

(24)
  • Inspection
  • Clutch
  • Diagnosis
“Had to get some issues on my vehicle fixed last minute, David over at seasons got me in same day and made sure my car was good to go so that I could get to work safely the next day.”
Free Initial Consultation
In Business Since 2023
1119 Kimbark St, Longmont, CO
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Auto Electric Ramirez

Auto Electric Ramirez

(5)
  • Truck
  • Mechanic
“Daniel has great service very thorough and gets it done with a great price.”
45 S Main St, Longmont, CO
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Atlas Performance Machine

Atlas Performance Machine

(15)
Moving Supplies
“These guys are awesome highly recommend them had my 2010 ford exploder in there for a atf leak coming from the bellhousing they got the old pos done in timley matter thanks guys”
In Business Since 2001
14516 N 107th St, Longmont, CO 80504
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Troy's Automotive

Troy's Automotive

(4)
“Small business family owned and operated with the most friendly individuals I've ever met Troy himself exceeded any and all expectations I had when building my Jeep!”
705 unit, 705 Weaver Park Rd, Longmont, CO
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Lyons Automotive

Lyons Automotive

(50)
“Recently they donated a Ford 150 truck to a non-profit organization, GROWE, who helps teach elementary school children how to grow fruits & vegetables at their respective schools (19 in total).”
Accepts Check
Licensed, BBB Rating: A+
In Business Since 1983
Serving Longmont Area
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Flatirons Tuning

Flatirons Tuning

(45)
  • Company
  • Phone Call
  • Shipping
“Admittedly, I was pleasantly surprised with the phone call instead of an email, and even more pleased that I was offered a similar part that was available and told the parts would be at my door in about a 10 days to 2 weeks.”
Coupons & Offers
In Business Since 2004
1630 63rd St #3, Boulder, CO
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Twin Peaks Diesel

Twin Peaks Diesel

(42)
  • Mechanic
  • Team
  • Fair
“Pricing was fair and I was impressed with their knowledge of the truck (it's a ZF6 manual and fairly rare) and didn't push anything, just their personal experience, knowledge, and facts.”
Locally Owned & Operated
Accepts All Major Credit Cards
In Business Since 2009
Serving Longmont Area
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East

East

(49)
  • Diagnosis
  • 9-5
  • Bear
“We've always have received excellent service but the other morning Bear diagnosed our engine problem by listening to it as we were parking it to leave it with him.”
ASE, PACE Certified
In Business Since 2007
2500 47th St #9, Boulder, CO
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Onorato Garage

Onorato Garage

(46)
  • Truck
  • Parasitic
  • Mechanic
“Onorato is a very courteous and professional man, and I am so grateful they took on this job with such short notice and got the job done, and right, as soon as possible.”
Serving Longmont Area
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Gateway Auto Services

Gateway Auto Services

(49)
  • Diagnosed
  • Vehicle
  • Fair
“Services Auto battery replacement, General repairs & maintenance, Electrical, Auto engine diagnostic, Vehicle Inspection, Auto battery maintenance, Auto maintenance, Battery, Oil change”
Serving Longmont Area
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Epic Motorsports Inc

Epic Motorsports Inc

(23)
  • Paint
  • Price
  • Coating
“The sap was on for a long time so ate through the paint, but Davy removed all of them and applied a sealant so that you have to look very closely to see the discoloration.”
In Business Since 2021
9235 Eastman Park Dr Unit 1, Windsor, CO
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Pure Drive Performance

Pure Drive Performance

(9)
  • Running
“But he also was able to fix my turbo wastegate to be working properly, found an issue with my Fuel pump relay saving me potentially thousands in future repairs, while also explaining to me what all had been done to the car before I had purchased it.”
In Business Since 2013
Serving Longmont Area
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Cardinal Service Center LLC

Cardinal Service Center LLC

(10)
  • Price
“Service was excellent”
In Business Since 2023
Serving Longmont Area
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M&S Garage & Performance

M&S Garage & Performance

(11)
  • Mechanic
“Just picking his brain”
Family Business
In Business Since 2022
4104 N Valley Dr, Mead, CO
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Greg's 4WD Xtreme LLC

Greg's 4WD Xtreme LLC

(20)
  • Priced
“I get all my 4x4 installs or repairs done here highly recommend!”
In Business Since 2008
Serving Longmont Area
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Brighton Auto Repair

Brighton Auto Repair

(9)
  • Team
  • Vehicle
“Many shops will not install customer parts but Hugo will, he did it for a very reasonable price, cheaper then anyone else I got quotes from in the vicinty.”
Serving Longmont Area
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Inter-Mountain Repair

Inter-Mountain Repair

(10)
“A+ every time”
In Business Since 1991
Serving Longmont Area
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Arvada West Auto & Truck

Arvada West Auto & Truck

(45)
Tire Pressure, Computer Re-Programming, Wheel Alignment
“I came in for an alignment and they diagnosed underlying issues that were causing that bad alignment including worn ball joints and tie rods on my F150.”
Accepts All Major Credit Cards
Coupons & Offers
Licensed, BBB Rating: A+
Family Business
11752 W 64th Ave, Arvada, CO
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Car Tune Up Services in Longmont, CO Cost Estimates

Minimum cost
$174
Maximum cost
$928
National Average
$348
Avg Per Hour Rates
$76
$232
$522
Typical price range is based on 453 cost profiles
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Average Cost $348
Minimum cost $174
Maximum cost $928
Avg Per Hour Rates $76

Typical range $232 to $522 is based on 453 cost profiles.

Why these companies made our list

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