Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Ifor Williams GH94
The Ifor Williams GH94 is 2 tonnes lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2 tonnes more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 800kg heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Ifor Williams GH94 | |
|---|---|---|
| Gross weight | 3500kg | 2700kg |
| Unladen weight | 2500kg | 500kg |
| Payload | - | 2200kg |
| Internal bed | - | 2.79m x 1.31m |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Ifor Williams GH94. 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 800kg 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 GH94 if...
- you want one that is 2 tonnes lighter empty
The entry point of Ifor Williams' plant range, bought by landscapers and groundworkers who need to move a single mini digger or similar and want to keep unladen weight low so more of the 2700kg gross is usable payload.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Ifor Williams GH94?
The Ifor Williams GH94 is 2 tonnes lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 800kg heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Ifor Williams GH94 is a a compact plant trailer for mini diggers and skid-steers.
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Ifor Williams GH94?
The Ifor Williams GH94. It is 2 tonnes lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg or the Ifor Williams GH94 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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