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Diesel Emissions Testing

Weekly Testing hours:
Monday, Tuesday, Thursday, Friday

True Speed provides diesel emissions testing for light to medium duty vehicles including cars made by Audi, Jeep, BMW & Mercedes. Our state of the art testing station & certified staff will ensure an accurate & professional emissions test is completed. True Speed also offers AWD emissions testing on light & medium duty vehicles.

True Speed provides proper documentation to prove compliance with Colorado Diesel Emissions Standards required for vehicle registration & renewal.

If your vehicle fails emissions we offer options to make repairs to pass inspection on the next attempt. Repairs can be made through our partner at Exhaust Pros Northglenn. If repairs are made in house, re-testing is cheaper at $20.00 versus repairs completed elsewhere which are $40.00 2WD/4WD or $65.00 for AWD.


2WD/4WD $65.00
AWD $100.00

Light to Medium Duty Diesel Vehicles include cars/suvs made by Audi, Jeep, BMW, Mercedes.
If your vehicle does not pass inspection we offer options to fix your vehicle to pass your emissions testing.

Re-Test Pricing 

Repairs in House: $20.00
Repairs Fixed Elsewhere:
2WD/4WD $40.00
AWD $65.00

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