Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Race Box 610
The Equi-Trek Sonic Five Seats 3,500kg is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 500kg heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Race Box 610 | |
|---|---|---|
| Gross weight | 3500kg | 3,000kg |
| Unladen weight | 2500kg | - |
| Bed size | - | 4.50m x 1.95m |
| Axles | - | Twin |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Race Box 610. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Sonic Five Seats 3,500kg if...
- you want one that is rated 500kg heavier gross
A five-seat cab variant of the Sonic, aimed at families or small teams who want to travel together to competitions rather than sending a second car. It carries the same horse capacity as the standard Sonic.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Three Counties - Hereford
Buy or hire the 610 if...
An enclosed twin axle box trailer used to carry tools, motorsport equipment or goods securely and out of the weather. Its 3,000kg rating covers a loaded box without needing a heavier commercial trailer.
Listed by
- Fieldfare Trailer Centre - Salisbury
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Race Box 610?
The Equi-Trek Sonic Five Seats 3,500kg is rated 500kg heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Race Box 610 is a twin axle enclosed box trailer.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg or the Race Box 610 on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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