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Claim This BusinessJ & M Auto Center has been serving Lawrenceville, Georgia and surrounding Gwinnett County communities since 2010. The shop holds a state-issued mechanical repair license and maintains a 4.7-star rating across 128 verified customer reviews. Open Monday through Friday from 8 AM to 6 PM, the facility handles most domestic and import vehicles, with past customers bringing in multiple cars from different makes. The business operates under owner Alex and lead technician Anthony, who manage day-to-day operations and directly interact with customers.
What distinguishes J & M Auto Center is their transparent pricing approach and diagnostic methodology. Reviewer Lena Wallace noted Alex quoted a part, then honestly declined to replace it after determining the original component was functional, crediting the shop's integrity. Technician Anthony mirrors this approach, with long-term customer Natou calling them both flexible and accommodating. The shop offers a workmanship warranty on repairs, and reviewers consistently mention being squeezed into the schedule during busy periods.
Customer Ken A has relied on the shop since 2021 without experiencing any misleading recommendations or unnecessary repairs. Reviewer Nikolas Puebla described the team diagnosing his vehicle quickly and fixing the issue without overcharging, while Cherryl Jackson referenced eight years of consecutive service with accurate diagnoses and swift turnaround. These scenarios illustrate a shop that prioritizes honest assessments over upselling.
Five consecutive 5-star reviewers highlight honesty as the defining quality, with three specifically naming technicians Alex and Anthony. Four reviewers mention flexible scheduling and reasonable pricing, while two explicitly contrast J & M Auto Center against dishonest experiences at other shops.
| Sunday | Closed |
| Monday | 8 AM–6 PM |
| Tuesday | 8 AM–6 PM |
| Wednesday | 8 AM–6 PM |
| ThursdayToday | 8 AM–6 PM |
| Friday | 8 AM–6 PM |
| Saturday | Closed |
Handle mechanical repairs across domestic and import vehicle makes, including diagnostics and part replacement.
Brake diagnostics, pad replacement, and system checks for safety-critical stopping components.
Address engine performance issues and transmission problems identified during diagnostic assessment.
Diagnose and repair climate control systems for year-round vehicle comfort.
Electrical troubleshooting for starting, charging, and lighting system malfunctions.
Suspension components, steering linkage, and wheel alignment services.
Routine maintenance including filter replacement, fluid changes, and performance tuning.
Evaluate Used vehicle mechanical condition before purchase decisions.