Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Graham Edwards GP85DB
The Graham Edwards GP85DB is 2,075kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 900kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2,075kg more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 900kg heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Graham Edwards GP85DB | |
|---|---|---|
| Gross weight | 3500kg | 2600kg |
| Unladen weight | 2500kg | 425kg |
| Payload | - | 2175kg |
| Internal bed | - | 8'2" x 5' |
| Axles | - | Tandem |
| Brakes | - | Braked |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Graham Edwards GP85DB. 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 900kg 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 →Buy or hire the GP85DB if...
- you want one that is 2,075kg lighter empty
A farm and smallholder trailer for loose or bagged loads, bales or livestock kit, built to Graham Edwards' tandem-axle braked general-purpose spec rather than the lighter single-axle unbraked version.
Full GP85DB specifications →Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Graham Edwards GP85DB?
The Graham Edwards GP85DB is 2,075kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 900kg heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Graham Edwards GP85DB is a a tandem-axle braked general-purpose dropside trailer.
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Graham Edwards GP85DB?
The Graham Edwards GP85DB. It is 2,075kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg or the Graham Edwards GP85DB 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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