Vehicle Servicing
Interim, full and major services to manufacturer standards.
4.8 ★ Google Rated — 40+ Reviews
Precision Repairs.
Honest Workshop.
Servicing, diagnostics and repairs for every make and model — delivered by qualified technicians at our Hitchin workshop. Trusted by drivers across Hertfordshire.
Experienced Technicians
Honest Pricing
Fast Turnaround
Customer Satisfaction
Recent Jobs
Our Work
A look inside the GJ Auto workshop — real cars, real repairs. Click any photo to view full size.
What We Do
Workshop Services
Full mechanical capabilities under one roof. Every job carried out by qualified technicians using the latest diagnostic and workshop equipment.
Diagnostics
Latest Snap-on diagnostic equipment to pinpoint faults fast.
MOT Preparation
Pre-MOT checks and repairs to ensure a first-time pass.
Brake Repairs
Pads, discs, calipers and full brake system servicing.
Clutches
Clutch replacement and repair for all makes and models.
Suspension
Shocks, springs, bushes and complete suspension overhauls.
Exhaust Systems
Exhaust repairs, replacements and emissions diagnostics.
Engine Repairs
Timing belts, head gaskets, rebuilds and engine work.
Air Conditioning
A/C re-gas, leak detection and full system servicing.
Batteries
Battery testing, replacement and charging system checks.
Tyres
Tyre supply, fitting and balancing at great prices.
General Repairs
From small fixes to major mechanical repairs — all welcome.
About GJ Auto
Mechanics You Can Trust
GJ Auto is an independent vehicle workshop based in Little Wymondley, Hitchin, led by Anderson and his team. For over a decade, drivers across Hertfordshire have relied on us for straight-talking advice, quality workmanship and fair, transparent pricing.
From routine servicing and MOT preparation to complex engine diagnostics, every vehicle is treated with the same care — whether it's a daily run-around, a family van or a performance car.
10+
Years Serving Hitchin
40+
5-Star Reviews
All
Makes & Models
Why Choose Us
The GJ Auto Difference
Six reasons drivers across Hertfordshire choose our workshop over the high-street chains.
Qualified Mechanics
Skilled technicians with decades of combined experience across all vehicle types.
Transparent Pricing
Clear quotes upfront. No hidden costs, no upselling — just honest pricing.
Quality Parts
We fit OEM and manufacturer-approved parts for lasting, reliable repairs.
Reliable Repairs
Diagnosed correctly the first time, using the latest Snap-on equipment.
Fast Service
Most jobs completed same-day. Minimal disruption, maximum reliability.
Excellent Reviews
4.8★ Google rating from 40+ verified customers — and counting.
Customer Reviews
What Drivers Say
Real reviews from real customers on Google. 4.8★ from 40+ verified ratings.
"This is an amazing find. Anderson and his team are really honest and capable. He has fixed two of my cars now and I wouldn't go anywhere else."
M
Magic Box
11 months ago · Google Review
"If only I had known about Mr Anderson and GJ Autos years ago. It's refreshing to find a mechanic who is thorough and knowledgeable. Excellent customer service and very reasonably priced. Cannot recommend enough."
R
Rebecca Luton
2 years ago · Google Review
"Recently had a full front headlight face lift. Anderson has been so helpful from the moment I contacted G.J. AUTO about considering the work."
L
Lee Ross
5 years ago · Google Review
"Anderson is a really nice guy, great advice and always helps when he has time. Trust him as my mechanic now after a year of being with him."
O
O M (Ollie)
a year ago · Google Review
"My reversing light stopped working so we contacted G J Auto due to the great reviews. Anderson came round, inspected the car and fixed the problem. Great service and good price."
B
Barbara B
9 years ago · Google Review
"Really hard working, reliable quality mechanics in the local area. I have used them for 4 years for a master service and my car has been running superbly. Highly recommend."
D
Dan D
12 years ago · Google Review
"Have used GJ Autos twice recently and found Anderson and his colleagues to be very knowledgeable, skilled and very reasonably priced."
R
Richard Cooke
9 years ago · Google Review
"A great mechanic who has done all repairs on my van and car for the last year or so. Does a lot of the work on the same day as callout. Highly recommended!"
N
Natalie Jayes
10 years ago · Google Review
Need Reliable
Vehicle Repairs?
Get straight-talking advice and a fair quote from a workshop that puts your safety first. Book online or call us today.
Get In Touch
Book Your Visit
Send us a message or drop in to the workshop. We'll get back to you the same day.
Call Us
01438 726334
Email
gjauto@yahoo.co.uk
Workshop
Unit 9B & 9C, Old Hall Farmyard, Priory Ln, Little Wymondley, Hitchin SG4 7BL
Opening Hours
Mon – Fri: 9:00am – 6:00pm
Sat: 9:00am – 2:00pm
Sun: Closed