I’ve been taking my car to slipstream for years and it’s always a great experience. It seems like a family owned business. They’re honest and reasonable. I’m so glad to have a trustworthy place to take my car when it’s needed.

Recently took my new-to-me 1991 VW Vanagon to Slipstream for a handful of repairs. They were super helpful and communicative and did terrific work. I highly recommend them, and will be returning myself in the future!

Bill and his team are great and do wonderful work. I highly recommend Slipstream if you have trouble with your VW in Boulder.

The first time I came to Slipstream, I was looking for a new auto service company due to a new move. In the past I had gone to dealerships to get my car serviced but always felt like a number rather than a customer with specific needs. I was impressed with Slipstream because they specialize in foreign vehicles and I have a Volkswagen. I was also assured because they have been operating in Boulder for decades. The response for setting up appointments was very quick and the service time was even quicker. They drove my car and looked over many details apart from completing my standard oil change. They were able to make very important suggestions for services that I otherwise would have let slip through the cracks costing me a lot more money and problems later on down the road. You can tell they have a lot of knowledge and integrity with their work and they really understand vehicles. I am planning to make them my go to auto care business as long as I am in Boulder.

Excellent auto service facility. Its rare to find a place you can trust.

We have been taking our vehicles to Slipstream for over 20 years. They are passionate about cars and service. With outstanding honesty, knowledge, and care. I highly recommend them.

I recently went to Slipstream for an oil change and damaged wheel. Thanks to Bill, Ken, and the guys at the shop for keeping my 12 year old 150k mile Audi running through mountain roads and mechanical issues over the years.

These guys are the best mechanics I’ve ever been to. Honest, knowledgeable, hard working and great at communicating what needs to be done.

Slipstream is awesome!! Starting with when I call and explain my issue, they are able to fit me in right away. Often I can’t get there during regular business hours so they are incredibly accommodating with me leaving my car for a few days and working out the logistics. They always call with a diagnosis and explain everything in a way that I can understand. Often I have a lot of questions and they always take their time to explain things thoroughly. I definitely don’t feel like I am being nickel and dimed here. Lastly, Slipstream looks after the person/family and not just the car. I have an older car that may need an expensive fix and Bill let me know that the fix may not be worth it, but that we could discuss my options, he could preform a pre purchase exam on a new car, go ahead and make the fix, etc if I wanted to. I truly feel I am being treated incredibly well here, and thus have recommended others go here as well. Thank you so much for everything, Slipstream!

Most honest mechanic in Boulder!Ken was able to take me right away when I called and told him about the noise that I was hearing in my car other companies wanted to charge me $40-$60 just to listen to the sound I was hearing and he did it for me with no charge due to his first time customer policy. He was able to identify what was going on and called me within a two hour period about what needed to get done. He was very straightforward and reasonably priced! I was very pleased with his the service.

Theyll do just about anything and theyre quick to get you on the schedule. 10/10 will keep using them.

Bill and Ken are the two best mechanics around and they always treat me fair. You wont find any other shop you can trust to do the work needed but nothing more. They keep all my cars running and they run great.

Consistently honest, quality car care.Honest, Qualified, Professional, Timely.Im a 25 year customer.

When I called them with a battery emergency, Bill never hesitated to help me. It is hard to find a company that actually cares about their customers. I was not a previous customer but I will be using them for any future car service!

It’s hard to get excited about dropping your car off for repairs. Right?These guys will take care of you and your car.Professional, punctual and caring.I wouldn’t go anywhere else.

Slipstream owner Bill is always a good listener and respectful. He and his employee Gunther do excellent work. Even on a minor item to adjust tire pressure for a better ride, as well as major repairs. They take the time to find a solution. They have integrity. I am grateful to them for the excellent care they give my Audi.

This sounds kinda crazy, but weve been going to Slipstream since Grammas car needed a brake job nearly 30 years ago. An Audi, a couple Mustangs, and a Mazda have received excellent care over the years. Easy going and nice, knowledgeable people - communication is always clear and detailed on the current service or repairs as well as what to expect in the future. Wed recommend Bill and the crew at Slipstream without reservation.

Been a long time customer, would not go to anyone else. They have taken excellent care of my Corvette. Very professional and knowledgeable.

In the middle of the Covid19 lockdown, the rear axle on my 2015 Xterra went bad, rendering the vehicle essentially unusable. Long story short, I tried for over a month to get the axle replaced through various Nissan dealerships, most of which could not be bothered to even return phone calls.I finally gave up on Nissan and, prompted by favorable internet reviews, called Slipstream. Slipstreams superior responsiveness and professionalism were immediately apparent. They immediately researched parts availability and recommended a course of action. Slipstream ordered a replacement part which due to lockdown-related shipping issues, took about two weeks to arrive; during this time, Slipstream provided me regular updates on the shipping status.Once the part arrived, the replacement took longer than expected due to rusted fasteners on the vehicle. Even though this cost Slipstream time and wasnt their fault, they were very apologetic, stuck to their original price quote and, unasked, diagnosed and repaired at no charge an unrelated issue with the steering wheel to compensate me for the delay.Slipstreams total price for the axle repair, replacing the (heavy-duty, off-road) rear shocks and fixing the steering wheel was less than what Nissan had quoted me for just replacing the axle. The vehicle has been working smoothly since the finished the repair.I was very impressed with Slipstream during this entire process. Their customer service in particular stood out. They will get my business in the future.

Family owned shop with years of experience. Honest and trustworthy. The kind of shop that wants to be your car’s life partner, unlike some shops who seem to only want your money and don’t care if you come back.

Love these guys! Great service and people, they do a great job of explaining in detail the work your car needs, in terms that are easy to understand. I recommend to all my friends!

I have been using Slipstream for years and couldnt be happier. Best mechanic in town! They are so friendly, trustworthy, and give very reasonable recommendations.

A great auto shop that was very communicative about the problem I had and did some great work on my Fiat 500 Sport. Ill definitely be using them in the future.

The customer service here is excellent. I highly recommend them.

Ive been bringing my Subaru there for many years. They are the best! I highly recommend them.

I am very particular about who services my vehicles and have been going to Bill/Kath/Ken and team at slipstream for 8 years. I have recommend them to many of my friends as well, who all love Slipstream now as well.Slipstream is professional and extremely detail oriented. I trust no one else with my cars!

We have been taking multiple cars to Slipstream for more than 20 years. I trust Bill unconditionally with his advice on repairs and service and have never had an instance where I felt Slipstream misdiagnosed or did not produce excellent service. A wonderful local business.

The work Slipstream does is thorough, timely and cost effective. Thank you for being so reliable!

Kathy and the team at Slipstream came through again. Were able to work me in to their busy schedule. I now have a new clutch in my truck. Thank you.

Slipstream always takes great care of my cool car. Thank you again

Was in Boulder on a Friday afternoon last month, when my 27 year old Honda started giving me trouble. Since I didnt want to attempt the long drive to my usual mechanic, or deal with having it towed, I limped over to Slipstream (as I have know of them for years as being a quality shop). While I expected to be leaving my car for several days, they made the time to look at it that afternoon and were able to make the repairs the following morning. I would definitely recommend Slipstream Autocare!

Somehow my earlier post got changed from 5 stars to 2 stars. This was a mistake and want to correct. Bill and they guys there do a great job!

As always, great and honest service from the folks at Slip Stream! SO glad I found them to take care of our BMWs!

One of the best mechanics I have ever had. They are very thorough, trustworthy, and so easy to work with. I highly recommend Slipstream!

No one wants to have to repair a car but the process at Slipstream is always smooth and low stress. They giving amazing service on our cars for 20+ years and I trust their judgement and quality of work unconditionally.

I have been taking my car here for a year or two and they always take good care of it and are true to times and quoted costs.

Ive been bringing my Audi A6 into Slipstream for the past 10 years, upon a recommendation by a co-worker. I had been going to the dealership for repair/maintenance, but found that Slipstream was more cost effective, and I prefer the smaller shop: it is locally owned (Bill is a great guy!), and the mechanics are all very honest and down to earth....they actually show me the exact issue on my car so I understand what the problem is (and I have had a LOT of car problems). If I can wait on a repair, they tell me. Theyre not just out to make a buck. HIGHLY recommend this place.

I was on a road trip and ended up in Boulder, CO. My Nissan xterra developed a rattle, I know nothing about cars. We wanted to get it checked out so we stopped by the first shop we found, they couldnt work us in but strongly recommended Slipstream. The guys there were awesome, they worked us in right away. The mechanic showed us that it was just a heat shield rattling.He also checked the brakes and adjusted our tire pressure since we had mentioned that we were going to drive Trail Ridge Road. I thanked them and asked how much I owe and they said nothing. We left with the peace of mind knowing that the car was in good condition.

I came to replace brake rotors and pads all around, it turned out that I only need to change our the front only. Great and Honest Shop....Many thanks.

My family and I have been bringing VWs and Audis to Slipstream for years. Bill and his team are professional, flexible, and always go above and beyond. A good mechanic is hard to find and these guys are the best!

Very honest staff and they know what they are doing. I highly recommend them.

Nothing but great things to say about Slipstream. I will be driving about 10,000 miles across the country in my 89 celebrity this summer, and have nothing but faith that it is going to make it now because of slipstream. It was like driving a brand new car when I left their shop. The most impressive part about them was the fact that they gave me time. They were understanding of my situation, and gave me the time underneath the hood to walk me through step by step of the things that were necessary and unnecessary, they gave me the time to make my decision, and they took the time to go out of there way to pick me up and drop me off places while it was getting fixed. I will recommend all of my sisters and friends to go here, and you should go here to!

Always willing to get my car in and repairs are completed quickly. This is not my usual mechanic and is slightly more expensive, but, they are honest, polite, and fast.

I always know that Bill and his team are going to be honest and trustworthy in everything they do with my car. I wouldnt go to any other mechanic...

The people at Slipstream have been wonderful to work with on getting my 1972 Chevy pickup and my 1940 Packard in good running order. I am extremely grateful they are in Boulder

Always a great experience at Slipstream. Been a customer for over 15 years!

They saw me very short notice when I couldnt get in anywhere else. They checked out my engine and then had me set for a road trip I was about to take that night. Great friendly shop!

This place is a good if you need your car to be fix or if you need to rent a space

Good crew at Slipstream Auto Care. I recommend this place as a honest and safe place to take your car for auto service and repair.

Bill and his team are honest, capable and just nice people in an industry known for deceit, high prices and shoddy work.

They went out of their way to help us, and as always, their work was impeccable.

Been going here for years with my Audi. Ive always been happy with the service

Great job. Quick service!!!

Good, honest mechanics. I took my car in because it wasnt able to pass inspection.

Great service. Friendly knowledgeable people

Fantastic honest and reliable work each visit

Once again, the Slipstream clan delivered skilled, friendly, and fabulous service while being incredibly accommodating to customer emergency needs. Thank you Slipstream!

Its the only place we trust to work on our vehicles!

Excellent service from Bill and the staff!

Great customer service!

I was traveling from Salt Lake City to Boulder then back when my car ran into problems. I was referred to Slipstream Auto by another mechanic who Id talked to but was all booked up. I worked with Bill Pichardo (who I believe is the owner) and found him very polite and helpful. He and his mechanics performed several diagnostics including a test drive. The causes of my problem werent entirely clear (not even to Honda later on) but he offered to move me up in the repair queue given that I had to get back to SLC soon.I was unable to stick around Boulder and decided instead to limp my car back to Salt Lake. Bill was kind enough to give me advice on which route would be best to take since my car had trouble going up mountains. I offered to pay for the few hours he and his team spent with my car however he declined the offer.Long story short, I found Slipstreams customer service exemplary and I would gladly give them my business if I had need and was in the Boulder area.

Knowledgeable staff will solve your automotive trouble.

Great communication and service

Friendly, professional and trustworthy