Financing all Credit Types - 
Financing all Credit Types -
Financing all Credit Types -
Financing all Credit Types -
Mobile Mechanic & Roadside Assistance
Getting your car repaired in Portsmouth shouldn’t mean arranging a ride or burning half a workday. Here’s how a typical booking works.
Tell us your vehicle, location, and what’s going on. We’ll confirm availability and give you an upfront price — usually within minutes.
A certified mechanic arrives at your address in Portsmouth — home driveway, office parking lot, or anywhere your car is sitting safely.
Most repairs wrap in 1–2 hours. You pay only after the work is done. Every repair carries a 12-month / 12,000-mile warranty.
Peak-hour congestion in Portsmouth, NH means a shop trip costs 2–3 hours minimum. We Come to You with Same-Day Service.
No tow fee, no shop markup. Flat-rate pricing means the quote you get is exactly what you pay.
Every mechanic is ASE-certified. All repairs backed by a 12-month / 12,000-mile warranty — at no extra cost.
Wherever your car is, we come to you. Driveway, office parking lot, or side of the road — no tow needed.
Your vehicle experiences different wear depending on where you drive. In Portsmouth, Instant car fix provide repair and maintenance services that help drivers stay safely on the road. Our mobile mechanics are equipped to handle the most common repairs, including battery replacement, brake repair, and alternator diagnostics. Each service is performed on-site, with no shop visit required, and backed by a 12-month or 12,000-mile warranty.
Spring brings a chance to address wear from winter, especially on brakes and tires.
The heat can cause significant strain on your vehicle's air conditioning and battery systems.
Cooler temperatures signal the need for maintenance to prepare for winter driving.
Cold weather can lead to battery issues and traction problems on icy roads.
All services are performed on-site at your designated location. Our mobile service approach eliminates the need for towing or transporting vehicles, saving you time and minimizing fleet downtime.
High summer temperatures can lead to overheating and battery failures. Regular checks are recommended.
Heavy traffic can lead to increased wear on brakes and tires, affecting vehicle performance.
A variety of vehicles on the road require tailored maintenance for optimal performance.
Instant Car Fix sends certified mechanics directly to you, handling everything from routine maintenance to complex repairs — all backed by a 12-month warranty.
Get a free quote →Real mechanics. Real repairs. At your location.
Residents often call for repairs due to the unique driving conditions in Portsmouth.
Got his work done quickly and efficiently even though we had some hiccups he stuck through it till the end. Great mechanic great man.
Reggie was outstanding, quick, and personable. I’ll be sure to Instantaneous Car Fix the next time I’m stuck on the road.
Great service! I would definitely use them again if I ever find I need a dead battery replaced with no way to get to a shop except having it towed in. Love that they come directly to your house!
The mechanics were out promptly and completed the service efficiently! The entire experience was easy to manage.
I am 100% satisfied with Instant Car Fix. My mechanic Mike arrived on time and was very knowledgeable, efficient and polite. I will be happy to recommend you to my friends & neighbors. I was so glad that I didn't have to drive anywhere and sit and wait for hours for someone to get to my car to work on it.
Sergio was fantastic! He was very informative and explained everything to us during the diagnostic. Thank you, Sergio!
Excelent he was very professional and polite my car was running again within 10 minutes after he arrives
Came out snd fixed my parents car today. Very nice young man my dad said. He did a good job. Thank you.
The experience is well received mechanic was on time and waited for me and stayed until the fljob is completer
Got his work done quickly and efficiently even though we had some hiccups he stuck through it till the end. Great mechanic great man.
Reggie was outstanding, quick, and personable. I’ll be sure to Instantaneous Car Fix the next time I’m stuck on the road.
Great service! I would definitely use them again if I ever find I need a dead battery replaced with no way to get to a shop except having it towed in. Love that they come directly to your house!
The mechanics were out promptly and completed the service efficiently! The entire experience was easy to manage.
I am 100% satisfied with Instant Car Fix. My mechanic Mike arrived on time and was very knowledgeable, efficient and polite. I will be happy to recommend you to my friends & neighbors. I was so glad that I didn't have to drive anywhere and sit and wait for hours for someone to get to my car to work on it.
Sergio was fantastic! He was very informative and explained everything to us during the diagnostic. Thank you, Sergio!
Excelent he was very professional and polite my car was running again within 10 minutes after he arrives
Came out snd fixed my parents car today. Very nice young man my dad said. He did a good job. Thank you.
The experience is well received mechanic was on time and waited for me and stayed until the fljob is completer
