Engine and transmission rebuilds, brakes, diagnostics and everything in between — done right the first time by a shop that gives you straight answers and a fair price. Get a free, no-pressure quote.
A technician will review what your vehicle needs, diagnose the real problem, and give you a clear written quote — no obligation, no pressure.
Call to Get My Quote See Our WorkNo upsells, no runaround. We diagnose the real problem, tell you what it actually needs, and fix it right the first time.
The heavy repairs a lot of shops send out, we handle in-house — full engine and transmission repair and rebuilds, done to spec.
We show you what's wrong, walk you through your options, and put the price in writing before any work starts. No surprises on the bill.
Brakes, suspension, diagnostics, electrical and routine maintenance — your whole vehicle handled under one roof on South Zuni.
Tell us what's going on. We inspect, diagnose the real issue, and hand you a clear written quote.
We walk you through what it needs and what it costs — you approve the price before we touch a thing.
We do the repair right, test it, and get you back behind the wheel.
From a quick brake job to a full engine or transmission rebuild, you get the same thing every time — an honest diagnosis, quality work, and repairs we stand behind. Right here on South Zuni in Denver.
Real engine and transmission work in progress at the shop — the kind of repairs we do every day.






Real photos from RPM 1 Stop Auto Shop — engine and transmission work in progress.
"We'll never sell you a repair you don't need. We tell you what's actually wrong, show you why, and fix it right — so you can trust the shop you bring your car to."
Every quote is free and itemized. We diagnose the real problem first, then give you a written price before any work starts — so there are no surprises on the bill.
Yes — engine and transmission repair and rebuilds are what we do. We handle that heavy work in-house rather than sending it out.
Always. We show you the problem, explain your options, and get your approval on the price before we do any work.
Call ahead when you can so we can plan around your repair, and we'll do our best to get you in quickly. Give us a call at (303) 669-1482.
1120 S Zuni St in Denver, CO 80223 — serving Denver and the surrounding metro.
Tell us what your vehicle needs — we'll diagnose it and give you a clear written quote. No obligation, no pressure.
Get My Free Quote