STK Emission test on site Testing station

STK Údlice

operated by Terri, s.r.o. · station no. 3536 · Chomutov district

STK Údlice inspects passenger cars, vans and trucks up to 3.5 t, motorcycles, trikes and quads, trailers up to 3.5 t, tractors, tractor trailers, work machines and towed equipment and other vehicles and tests emissions for petrol, diesel, LPG, CNG and LNG. In 2025, 16,149 inspections took place here.

Station details: Czech Ministry of Transport · page updated 28 Oct 2026

What they inspect here

  • Passenger carscategory M1
  • Vans and trucks up to 3.5 tcategory N1
  • Motorcycles, trikes and quadscategory L
  • Trailers up to 3.5 tcategory O1, O2
  • Tractorscategory T, C
  • Tractor trailerscategory R, OT1, OT2, OT3, OT4
  • Work machines and towed equipmentcategory S
  • Other vehiclescategory Z

Special services

  • Testing station – imported and converted vehicles before first registration in Czechia

Not inspected here

trucks over 3.5 t, buses and minibuses and trailers and semi-trailers over 3.5 t. Find another STK in the Chomutov district

Types of inspection

  • Periodic inspection
  • Re-inspection (after defects)
  • Registration check (transfer, change of details)
  • Inspection before registration (import)
  • Inspection before type approval (conversions)
  • Historic vehicle inspection
  • Inspection at the customer's request

Based on inspections in 2025.

Emission test

They test emissions right here, during the same visit as the inspection. For all five fuels, including LNG.

  • Petrol
  • Diesel
  • LPG
  • CNG
  • LNG

Inspection statistics

In 2025 there were 16,149 inspections here, 55 % more than the average STK in the Chomutov district.

Ministry of Transport data for 2024 and 2025

Inspections in 2025 compared with the average for the Chomutov district
Inspections by year
YearThis stationDistrict average
202516,14910,423
202416,161–
Last 12 months15,739–

Most common car makes

  1. Škoda
  2. Volkswagen
  3. Ford
14.5 years average age of inspected vehicles in 2025
When it is least busy It is busiest on Friday around 7:00. It is quietest on Friday around 14:00.

Based on inspection times in 2025 · Ministry of Transport data

Frequently asked questions

Do I need to book an appointment at STK Údlice?

The quickest way to find out about booking and waiting times is to call 601 245 490. Online booking through naSTK is not available yet.

Can I get an emission test here too?

Yes, for petrol, diesel, LPG, CNG and LNG.

Can they inspect an imported car here?

Yes. It is a testing station, so it also inspects imported and converted vehicles.

When is it least busy here?

Based on inspections in 2025, it is quietest on Friday around 14:00 and busiest on Friday around 7:00.

At the same address

Nearest stations

All stations in the Chomutov district

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