Our services
Honest. Skilled. Family-Owned. Serving Frederick and the surrounding Colorado communities with over 30 years of mechanical experience.

General automotive repair
Reliable, affordable car repair near you. We service all makes and models — from daily commuters to work trucks. Our certified technicians ensure your vehicle is safe, smooth, and dependable.
Services include:
- Oil changes & filter replacements
- Brake service & repair
- Suspension, shocks, and steering
- Check engine light diagnostics
- AC & heating system service
- Electrical troubleshooting
- Tune-ups & preventative maintenance
Motorcycle repair & maintenance
Keep your bike road-ready all year long. From Harley-Davidson to Honda, we handle all types of motorcycles — cruisers, sport bikes, and touring models.
Services include:

Atv & utv service
Power up your adventure. Whether you’re riding trails, working land, or exploring the Rockies, we’ll make sure your machine performs when it matters.
Services include:
- Engine rebuilds & tune-ups
- Suspension & steering work
- Electrical & lighting repairs
- Preventative maintenance
- Tire repair & replacement

Jeeps & 4x4 builds
Built for Colorado terrain. We specialize in off-road and 4x4 upgrades so you can take your adventure further with confidence.
Services include:
- Lift kits & leveling systems
- Off-road suspension upgrades
- Differential & axle repair
- Gear & brake service
- Trail-ready inspections
Classic car repair
Old-school rides deserve expert hands. From vintage rebuilds to partial restorations, our passion for craftsmanship shows in every detail.
Services include:
- Engine & carburetor rebuilds
- Brake conversions
- Electrical rewiring
- Custom detailing & upgrades

Diagnostics & performance
Find it. Fix it. Fine-tune it. We use advanced diagnostic tools and years of experience to pinpoint problems and enhance performance.
Services include:
- Computer diagnostics for all makes
- Battery & charging system testing
- Tuning for cars, trucks & motorcycles
- Comprehensive inspections
Why choose curran’s garage?
Family-owned & operated in Frederick, CO. 30+ years of trusted mechanical experience. Honest estimates & clear communication. Friendly, small-town service with big-shop expertise. “We don’t just fix vehicles — we build relationships, trust, and community.”