A driving theory tutor that explains why, not just what.
Practice and mock-test the DVSA syllabus with adaptive question selection and instant AI explanations for every answer. Free. No app to download. No account required.
101
questions live
14
DVSA categories
AI
explanations
£0
no signup
Practice mode
Build confidence at your pace
- Pick the category you want to drill
- No timer — learn at your own speed
- Instant explanation after every answer
- Ask the AI tutor for deeper context
Mock test
Real test conditions
- 50 questions · 57-minute timer
- 43/50 to pass (DVSA standard)
- Score by category — find weak areas
- Review all answers + AI explanations after
Browse by topic
All 14 DVSA categories
Alertness
7Concentration, observation, awareness
Attitude
7Consideration for other road users
Safety and Your Vehicle
8Tyres, lights, mirrors, vehicle checks
Safety Margins
7Stopping distances, weather, road conditions
Hazard Awareness
8Anticipating problems before they happen
Vulnerable Road Users
8Pedestrians, cyclists, motorcyclists, horse riders
Other Types of Vehicle
6Lorries, buses, trams, large vehicles
Vehicle Handling
8Steering, braking, weather, hills
Motorway Rules
7Lane discipline, speed, junctions, hard shoulder
Rules of the Road
8Junctions, parking, speed limits
Road and Traffic Signs
9Shapes, colours, meanings
Documents
6Licence, insurance, MOT, tax
Accidents
6First aid, what to do, reporting
Vehicle Loading
6Towing, weight, securing loads
New questions added regularly · full DVSA syllabus coverage in progress
Why Onyx Theory AI
Built around how you actually learn.
Plenty of theory apps will tell you which answer was right. Ours explains the reasoning behind it — in plain English, or in Urdu, Punjabi or Mirpuri — and steers you back towards the categories you keep getting wrong. It is free, there is no app to download and no account to create.
Adaptive
The more you answer, the better the AI gets at finding your weak spots and feeding them back to you.
Explained
Every answer has a written explanation. Ask the AI for deeper context, real-world examples, or alternative phrasings.
Free
No app to install. No account required. Use it for an hour, an evening, or six weeks — it costs nothing.