4x4 and motorsport
4x4 tuning from a racing team.
Suspension, light and competition tuning, and complete builds of off-road vehicles. What we learn on European tracks goes into tuning your vehicle.
What we do for 4x4
From light tuning to a competition vehicle.
Tuning and suspension
The right tuning and suspension for your 4x4.
Light and competition tuning
Light tuning for everyday use or full preparation for competition.
4x4 builds
Complete vehicle builds for rally and trial disciplines.
Engine and suspension
Engine swaps, maintenance and suspension overhauls.
3rd
European Trial Championship · Norway 2026
4x4 and motorsport
Tested on European tracks.
Behind the workshop is a racing team. We build, set up and drive our own 4x4 vehicles, and what we learn on the track goes into tuning yours.



- 2018Prototype based on a Lada Niva and a trial championship title
- 2019Runners-up in the 4x4 championship
- 2020Second vehicle — a Jeep Cherokee XJ for the Trophy championship
- 2021Bulgarian champions in the Bulgarian Trophy Challenge
- 2022European Trial Championship, Slovakia — 11th of 26 teams
- 2023European Trial Championship, Italy
- 2024European Trial Championship, Germany
- 2025European Trial Championship, Finland — 5th place
- 2026European Trial Championship, Norway — 3rd place

King of Trial
Organiser of the biggest 4x4 trial competition in Bulgaria.
NAYD AUTO is the organiser and promoter of King of Trial — an international 4x4 competition.
kingoftrial.com ↗Book a visit