Head to head
Bateson B84 Unbraked Trailer vs Equi-Trek Sonic Five Seats 3,500kg
The Bateson B84 Unbraked Trailer is 2,324kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 2,750kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2,324kg more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 2,750kg heavier gross.
Specifications side by side
| Bateson B84 Unbraked Trailer | Equi-Trek Sonic Five Seats 3,500kg | |
|---|---|---|
| Gross weight | 750kg | 3500kg |
| Unladen weight | 176kg | 2500kg |
| Internal bed | 2500mm x 1250mm | - |
| Brakes | Unbraked | - |
Sources: Bateson B84 Unbraked Trailer, 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 B84 Unbraked Trailer if...
- you want one that is 2,324kg lighter empty
A basic 8x4 general-purpose trailer with a ramp tailboard, aimed at private buyers wanting a cheap, light trailer for tip runs, garden work or small loads. Optional mesh sides or a ladder rack extend it to trade use.
Full B84 Unbraked Trailer specifications →Buy or hire the Sonic Five Seats 3,500kg if...
- you want one that is rated 2,750kg 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.
Full Sonic Five Seats 3,500kg specifications →Common questions
What is the difference between the Bateson B84 Unbraked Trailer and the Equi-Trek Sonic Five Seats 3,500kg?
The Bateson B84 Unbraked Trailer is 2,324kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 2,750kg heavier gross. The Bateson B84 Unbraked Trailer is a 8ft x 4ft unbraked general-purpose trailer; the Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox.
Which is lighter, the Bateson B84 Unbraked Trailer or the Equi-Trek Sonic Five Seats 3,500kg?
The Bateson B84 Unbraked Trailer. It is 2,324kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Bateson B84 Unbraked Trailer 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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