AutoShop Services
Over 35 years of Experience Selling and Repairing Vehicles We are an hour from UNH and the New Hampshire Seacoast, as well as an hour north of Boston, M.A.
We are proud to offer some of the highest quality sales and service in the greater New England area - conveniently located on 181 Rockingham Road (off 93 and 101) in Derry, NH. When it comes to purchasing a pre-owned vehicle, we have been in business for over 35 years for a reason - we know what our customers want, and visit the best auctions in the Northeast weekly, purchasing only the finest qua
05/08/2026
Car Rental Made Easy!
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https://www.facebook.com/share/r/1BGytwmJmD/?mibextid=wwXIfr Why we don't work on EV's
04/13/2026
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Deciphering the Code: What 5W-30 and 20W-50 Really Mean
Modern multi-grade oils use two numbers to handle varying temperatures:
The Number Before the 'W': The 'W' stands for Winter. This indicates the oil's flow characteristics during a cold start. A lower number (like 5W) means the oil reaches critical engine components faster in those first few seconds of ignition.
The Number After the Dash: This represents the oil's viscosity at normal operating temperatures. A higher number (like 50) means the oil remains thicker and more stable under extreme heat and heavy loads.
Common Problems and Technical Solutions
Problem: Auditioning a "clattering" or "ticking" sound during a cold start.
Cause: The oil is too thick when cold, failing to reach the upper valve train quickly enough.
Solution: Switching to an oil with a lower winter grade (e.g., from 15W to 5W) as recommended by the manufacturer.
Problem: Oil consumption or light smoke in high-mileage engines.
Cause: The oil is too thin for the engine's current state of wear, allowing it to bypass worn piston rings and burn in the combustion chamber.
Solution: Using a higher viscosity oil (like 20W-50) to provide a better seal in older engines and reduce oil loss.
Professional Insight
Low-viscosity oils (like 5W-30) reduce internal engine drag, which directly translates to better fuel economy and lower emissions. However, for high-performance engines or vehicles operating in desert climates, higher viscosity is vital to maintain a robust "lubrication film" that prevents metal-to-metal contact and thermal breakdown.
Precision in every drop is how we ensure your vehicle's peak performance at Auto craft.
04/08/2026
Ask us about Walnut Shell cleaning for your engine.
03/15/2026
Take a trip in Second Car Center’s Kia Sportage Explore the highways and byways of Derry in Second Car Center’s Kia Sportage on Turo, where you can book the perfect car for your next adventure, courtesy of local hosts.
02/14/2026
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01/29/2026
And this is why we do State Inspections. Yes it does happen.
Wishing everyone a Merry Christmas and Happy New Years !!
We will be closing today at noon and reopening on Monday, December 29 !
Enjoy!!
12/13/2025
No Annual Fee¹ Accepted Nationwide
Click here to claim your Sponsored Listing.
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Telephone
Website
Address
181 Rockingham Road
Derry, NH
03038
Opening Hours
| Monday | 7am - 7pm |
| Tuesday | 7am - 7pm |
| Wednesday | 7am - 7pm |
| Thursday | 7am - 7pm |
| Friday | 7am - 6pm |
| Saturday | 7am - 5pm |
| Sunday | 11am - 4pm |