Head to head
Brian James C Transporter vs Equi-Trek Sonic Five Seats 3,500kg
The Equi-Trek Sonic Five Seats 3,500kg is rated 2 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 2 tonnes heavier gross.
Specifications side by side
| Brian James C Transporter | Equi-Trek Sonic Five Seats 3,500kg | |
|---|---|---|
| Gross weight | 1,500kg | 3500kg |
| Load capacity | 1,010kg | - |
| Bed length | 3.20m | - |
| Bed width | 1.80m | - |
| Axles | Single | - |
| Unladen weight | - | 2500kg |
Sources: Brian James C Transporter, Equi-Trek Sonic Five Seats 3,500kg. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C Transporter if...
Brian James's entry-level open car transporter, a single-axle trailer that a family car can tow. Its 1,010kg load capacity suits a small classic car, track-day hatchback or ride-on mower rather than a modern SUV or performance car.
Listed by
- Bicester Trailer Centre - Bicester
Buy or hire the Sonic Five Seats 3,500kg if...
- you want one that is rated 2 tonnes 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
Common questions
What is the difference between the Brian James C Transporter and the Equi-Trek Sonic Five Seats 3,500kg?
The Equi-Trek Sonic Five Seats 3,500kg is rated 2 tonnes heavier gross. The Brian James C Transporter is a single axle open car transporter trailer; the Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox.
Can I tow the Brian James C Transporter or the Equi-Trek Sonic Five Seats 3,500kg 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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