Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Stewart GX14-19 S
The Equi-Trek Sonic Five Seats 3,500kg is 2,450kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Stewart GX14-19 S weighs 2,450kg more empty.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Stewart GX14-19 S | |
|---|---|---|
| Unladen weight | 2500kg | 4950kg |
| Gross weight | 3500kg | - |
| Carrying capacity | - | 14,000kg |
| Cubic capacity | - | grain 19m3, silage 33 m3 |
| Body | - | 6100 x 2450 x 1370mm (GX 14 19 S) |
| Tipped height | - | 6300mm |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Stewart GX14-19 S. 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 2,450kg lighter empty
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 GX14-19 S if...
A large tipping trailer in Stewart's GX range, sized for muck-away and aggregate work in the 14-19 tonne bracket, fitted with an easy sheet system to cover loads without climbing on the trailer.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Stewart GX14-19 S?
The Equi-Trek Sonic Five Seats 3,500kg is 2,450kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Stewart GX14-19 S is a 14 to 19 tonne tipping trailer with easy sheet.
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Stewart GX14-19 S?
The Equi-Trek Sonic Five Seats 3,500kg. It is 2,450kg lighter empty than the Stewart GX14-19 S.
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