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Ireland Truck Theory Test Practice 2026

You must pass the truck Driver Theory Test before you can get a learner permit for categories C, CE, C1 or C1E. The first practice set covers truck topics written from RSA guidance and the EU drivers' hours rules. Later sets add general rules of the road, which also appear in the real test.

  • Commercial vehicle
  • Ireland
  • 230 questions
  • Checked October 10, 2026

Quick answer

The Driver Theory Test for trucks (Category C) has 100 questions. Pass mark: 74 of 100. Time limit: 120 minutes. It is run by Road Safety Authority (RSA); test booked through theorytest.ie. Minimum age: 18 for C1; 21 for C (18 with a Driver CPC), for the licence. Fee: €72. Practise here for free with 230 questions, each with the answer and an explanation. Checked against official sources on October 10, 2026.

Read before you practiseStart with the Ireland Truck Theory Test Study Guide: plain-language notes, diagrams and the numbers to remember.
  1. Question 1 of 25

    How many questions are on the Irish truck (Category C) Driver Theory Test?
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    Answer: B. 100

    The truck theory test has 100 questions.

  2. Question 2 of 25

    How long do you have to complete the truck Driver Theory Test?
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    Answer: B. 120 minutes

    You have 120 minutes for the 100 questions.

  3. Question 3 of 25

    What is the pass mark for the truck Driver Theory Test?
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    Answer: D. 74 out of 100

    You need 74 correct answers out of 100.

  4. Question 4 of 25

    Which licence categories does the truck Driver Theory Test cover?
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    Answer: A. C, CE, C1 and C1E

    The Category C theory test covers C, CE, C1 and C1E.

  5. Question 5 of 25

    You want to drive both trucks and buses. What does the combined CD theory test involve?
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    Answer: A. 140 questions in 180 minutes, with a pass mark of 104

    The combined Bus and Truck test has 140 questions, 180 minutes and a pass mark of 104.

  6. Question 6 of 25

    You passed the full bus theory test 6 months ago. Which shorter test can you take for trucks?
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    Answer: B. The Truck Module test (40 questions, pass mark 30)

    If you passed the full bus test within the last two years, you can sit the Truck Module test instead of the full truck test.

  7. Question 7 of 25

    You passed the full bus theory test three years ago. Can you sit the Truck Module test?
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    Answer: A. No, after two years you need the full truck test

    The module option lasts two years after the full bus test. After that, sit the full truck test.

  8. Question 8 of 25

    In which language besides English can you take the full truck theory test?
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    Answer: B. Irish

    Theory tests for Categories A, B, C and D are available in Irish. The module and CD tests are English only.

  9. Question 9 of 25

    How long is a Driver Theory Test certificate valid?
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    Answer: B. 2 years from the test date

    The certificate is valid for 2 years. Apply for your first learner permit for that category within that time.

  10. Question 10 of 25

    You fail the truck theory test. What does theorytest.ie advise about re-sitting?
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    Answer: D. Wait at least 3 complete business days

    Wait at least 3 complete business days before a re-sit. There is no limit on attempts.

  11. Question 11 of 25

    How are the questions for your truck theory test chosen?
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    Answer: D. At random from the question bank

    Questions are selected at random from a large question bank for the relevant sections.

  12. Question 12 of 25

    What is the fee for the Category C (truck) Driver Theory Test?
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    Answer: C. €72

    The truck and bus tests each cost €72. The combined CD test costs €84.

  13. Question 13 of 25

    How early should you arrive at the test centre for your theory test?
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    Answer: A. 30 minutes before the test time

    Arrive 30 minutes before your test time to check in.

  14. Question 14 of 25

    Which licence do you usually need to bring to sit the truck theory test?
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    Answer: A. A full Category B licence, or a C learner permit or licence

    Category C candidates must bring a full Category B licence or equivalent, or a C learner permit or licence where applicable.

  15. Question 15 of 25

    What does a Category C1 licence cover?
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    Answer: B. Vehicles up to 7,500 kg MAM, with a trailer up to 750 kg

    C1 covers vehicles up to 7,500 kg MAM, designed for up to eight passengers plus the driver, with a trailer up to 750 kg.

  16. Question 16 of 25

    What does a Category C licence cover?
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    Answer: B. Vehicles over 3,500 kg MAM, with a trailer up to 750 kg

    Category C covers goods vehicles over 3,500 kg MAM towing up to 750 kg.

  17. Question 17 of 25

    What does Category CE add to a Category C licence?
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    Answer: B. Towing a trailer over 750 kg

    CE covers a Category C vehicle towing a trailer over 750 kg.

  18. Question 18 of 25

    What is the combined weight limit for a Category C1E combination?
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    Answer: C. Not more than 12,000 kg

    C1E combinations must not exceed 12,000 kg combined MAM.

  19. Question 19 of 25

    What does maximum authorised mass (MAM) mean?
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    Answer: C. The vehicle's design laden weight, shown on its plate

    MAM is the design laden weight, also called gross vehicle weight, usually shown on a plate fitted by the manufacturer.

  20. Question 20 of 25

    Which licence must you hold before you can get a Category C learner permit?
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    Answer: C. A Category B (car) licence

    You need a Category B licence (or C1 for C) before getting a truck learner permit.

  21. Question 21 of 25

    Which licence must you hold before you can learn to drive in Category CE?
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    Answer: D. A full Category C licence

    To tow a trailer on a learner permit, you must already hold a licence for the towing vehicle. CE needs a C licence.

  22. Question 22 of 25

    What is the minimum age for a Category C1 licence?
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    Answer: B. 18

    The minimum age for C1 and C1E is 18.

  23. Question 23 of 25

    What is the minimum age for a Category C licence without a Driver CPC?
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    Answer: A. 21

    Category C needs you to be 21, or 18 if you hold a Driver CPC.

  24. Question 24 of 25

    What is the minimum age for a Category C licence if you hold a Driver CPC?
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    Answer: A. 18

    With a Driver CPC, you can hold Category C and CE from 18.

  25. Question 25 of 25

    What two things do you need before applying for a truck learner permit, besides a car licence?
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    Answer: C. A passed truck theory test and a D501 medical report

    You need to have passed the truck theory test and supply a D501 medical report.

What to know before the test

  • The truck theory test has 100 questions in 120 minutes, and the pass mark is 74. It covers categories C, CE, C1 and C1E.
  • The truck test costs €72, and the combined bus and truck test costs €84.
  • If you passed the full bus test in the last two years, you can sit a Truck Module test of 40 questions in 45 minutes, with a pass mark of 30.
  • Your theory test certificate is valid for 2 years.
  • Truck learners must be accompanied by a driver with at least two years' full licence in the category, and must not drive on motorways.
  • Professional drivers have a lower drink-driving limit of 20 mg of alcohol per 100 ml of blood.

Frequently asked questions

How many questions are on the Irish truck theory test?

100 multiple-choice questions in 120 minutes. You need 74 correct to pass.

Which licences does the truck theory test cover?

Categories C, CE, C1 and C1E.

Can I take the truck theory test in Irish?

Yes, the full truck test is available in Irish. The module tests and the combined CD test are English only for now.

I already passed the bus theory test. Do I need the full truck test?

Not if you passed the full bus test within the last two years. You can sit the shorter Truck Module test instead.

What is the speed limit for trucks in Ireland?

Goods vehicles over 3,500 kg are limited to 80 km/h, or 90 km/h on motorways, even if signs show a higher limit.

Sources

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