Michigan SOS mechanic test
Pre-1973 Vehicles
Pre-1973 Vehicles (Automobile & Light Truck) is one of the 20 Secretary of State mechanic certification tests. Here's what the test covers, according to the state's published outline.
Topic guide · questions soonWhat's on the test
The SOS Mechanic Testing Categories Overview does not publish a topic outline for this category. An SOS study-kit FAQ says the Motorcycle and Auto/Light Truck Pre-1973 tests are closer to 100 questions. Check the SOS mechanic testing page for current details.
Source: SOS Mechanic Testing Categories Overview (PDF). Test format: most SOS mechanic tests have 55 questions, and a few have 65–100 (SOS FAQ). Passing scores vary by test; your result letter shows the passing score and your score.
Practice questions coming soon
The Pre-1973 Vehicles practice bank is being written to the official outline below. The All-Mechanic pass will include it when it launches.
Banks available now: Engine Repair · Front End, Suspension & Steering · Brakes & Braking Systems · Electrical Systems · Engine Tune-Up & Performance
Test-day facts
- Taken on a touch-screen kiosk at any Secretary of State office. Schedule through SOS e-Services.
- $18 per test (effective July 1, 2026).
- “Quick pass”: the test ends once you reach the minimum passing score.
- No reference materials or electronic devices are allowed.
- If you don't pass, your result letter breaks down your performance by subcategory.
Pre-1973 Vehicles test FAQ
How many questions are on the Michigan Pre-1973 Vehicles test?
The Secretary of State says most mechanic tests have 55 questions and a few have 65 to 100. The test is “quick pass,” so it ends as soon as you reach the minimum passing score.
How much does the test cost, and where do I take it?
Each mechanic test costs $18 (effective July 1, 2026). Tests are taken on a touch-screen kiosk at any Secretary of State office; pre-register and schedule through SOS Online Services. Approved automotive schools can also test their students.
Are these the real test questions?
No. MI Trade Prep questions are original practice items written to the official topic outline. They are not actual exam questions, and MI Trade Prep is not affiliated with the Michigan Department of State.
Sources: SOS mechanic testing · SOS mechanics page · SOS mechanic FAQ