Iron Buffalo Diesel Dyno & Emissions

Iron Buffalo Diesel Dyno and Emissions is a dedicated emissions station at 5590 E 55th Ave, Commerce City, CO 80022. They offer diesel emissions testing with a dynamometer and both OBD II and tailpipe tests for diesel trucks and heavy vehicles. The shop operates weekday and weekend hours and commonly serves heavy duty trucks and motorhomes. Appointments are not required in all cases, and walk-ins are welcome. Customers report thorough testing, mixed wait times, and variable pricing but praise fast, knowledgeable staff and reliable service.

Vehicle inspection service

Test Only

Commerce City, CO

Contact

Address 5590 E 55th Ave, Commerce City, CO 80022, United States

Phone +1 303-623-7049

Website http://dieselemissionsdenver.com/

Hours

Monday 8 am–9:30 pm

Tuesday 8 am–9:30 pm

Wednesday 8 am–9:30 pm

Thursday 8 am–9:30 pm

Friday 8 am–9:30 pm

Saturday 9 am–5 pm

Sunday Closed

Services

Station Type Test Only

Test Types

Dynamometer OBD-II Tailpipe

Vehicles Served

Passenger Cars Heavy Diesel Commercial RVs/Motorhomes

Languages English

Practical Information

Appointments Walk-ins Welcome

Typical Wait Over 1 hour

Pricing $60 - $200

Payment

Cash Credit Card Debit Card Check

Rating

4.3 / 5

Based on 64 reviews

4.0 / 5

Emissions Testing rating (32 reviews)

Location

Commerce City, Colorado

More stations in Commerce City

What Customers Say

Fast Service Friendly Staff Knowledgeable Easy Process Good Communication

Speed: Slow

Pass Rate

Standard

Based on customer review sentiment

Making the Most of Your Visit to Iron Buffalo Diesel Dyno & Emissions

Choosing the right emissions testing station in Commerce City, Colorado can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Iron Buffalo Diesel Dyno & Emissions is one of the licensed emissions testing locations in the area, and preparing properly before your visit can make the process smoother.

Understanding Colorado Emissions Testing Requirements

Emissions Testing rules in Colorado vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Commerce City, confirm what applies to you before heading to Iron Buffalo Diesel Dyno & Emissions. Our Colorado Emissions Testing guide outlines current rules, exemptions, and testing intervals.

Before Your Emissions Testing

To help make your emissions testing quick and successful, consider preparing the following:

Confirm your registration address requires testing.
Ensure your check engine light is off and no recent codes have been cleared.
Warm up your vehicle by driving 10 to 15 minutes before testing.
Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. Iron Buffalo Diesel Dyno & Emissions currently has 64 reviews with a 4.3 out of 5 rating, which can provide insights into service quality, wait times, and professionalism.

Visit Checklist

1

Verify Certification

Ensure Iron Buffalo Diesel Dyno & Emissions is an active, licensed emissions testing station in Colorado.
2

Check Reviews

Read recent customer feedback from other Commerce City drivers to understand typical wait times and service quality.
3

Confirm Services

Call ahead to confirm the types of tests offered and whether appointments are required.
4

Bring Required Documents

Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.
5

Ask About Retest Policies

Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* This guide is for informational purposes only. Always confirm emissions testing requirements and policies with your local Colorado authorities.

FAQ

Common questions

Have a question not covered here? Contact us and we will respond within one business day.

Where is Iron Buffalo Diesel Dyno & Emissions located?

Iron Buffalo Diesel Dyno & Emissions is located at 5590 E 55th Ave, Commerce City, CO 80022, United States in Commerce City, Colorado.

What services does Iron Buffalo Diesel Dyno & Emissions offer?

Iron Buffalo Diesel Dyno & Emissions is categorized as a Vehicle inspection service and operates as a Test Only station offering Dynamometer, OBD-II, Tailpipe testing for passenger cars, heavy diesel, commercial, rvs/motorhomes.

Does Iron Buffalo Diesel Dyno & Emissions provide Emissions Testing?

Yes, Iron Buffalo Diesel Dyno & Emissions provides Emissions Testing in Commerce City, CO. Available test types include Dynamometer, OBD-II, Tailpipe.

What are the hours for Iron Buffalo Diesel Dyno & Emissions?

Iron Buffalo Diesel Dyno & Emissions is open: Monday 8 am–9:30 pm, Tuesday 8 am–9:30 pm, Wednesday 8 am–9:30 pm, Thursday 8 am–9:30 pm, Friday 8 am–9:30 pm, Saturday 9 am–5 pm, Sunday Closed.

How can I contact Iron Buffalo Diesel Dyno & Emissions?

You can reach Iron Buffalo Diesel Dyno & Emissions by phone at +1 303-623-7049, online at http://dieselemissionsdenver.com/, or by visiting 5590 E 55th Ave, Commerce City, CO 80022, United States.

Do I need an appointment at Iron Buffalo Diesel Dyno & Emissions?

Iron Buffalo Diesel Dyno & Emissions accepts walk-ins with no appointment necessary. Contact them directly to confirm availability.

How long does Emissions Testing take at Iron Buffalo Diesel Dyno & Emissions?

Typical wait time at Iron Buffalo Diesel Dyno & Emissions is Over 1 hour. Customers generally describe the service speed as Slow.

How much does Emissions Testing cost at Iron Buffalo Diesel Dyno & Emissions?

Pricing for Emissions Testing at Iron Buffalo Diesel Dyno & Emissions is typically $60 - $200. Contact them directly for exact pricing.

What payment methods does Iron Buffalo Diesel Dyno & Emissions accept?