Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Lider 38950
The Lider 38950 is 1,870kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 1.5 tonnes heavier gross.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 1,870kg more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 1.5 tonnes heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Lider 38950 | |
|---|---|---|
| Gross weight | 3500kg | 2000kg |
| Unladen weight | 2500kg | 630kg |
| Internal length | - | 300cm |
| Internal width | - | 155cm |
| Internal height | - | 177cm |
| Axles | - | 2 |
| Brakes | - | Braked |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Lider 38950. 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 1.5 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
Buy or hire the 38950 if...
- you want one that is 1,870kg lighter empty
A weatherproof enclosed trailer for market traders, couriers and event businesses who need to lock stock or equipment away overnight, with enough internal height to walk in upright.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Lider 38950?
The Lider 38950 is 1,870kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 1.5 tonnes heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Lider 38950 is a a braked twin-axle enclosed box van trailer rated at 2000kg gross weight..
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Lider 38950?
The Lider 38950. It is 1,870kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg or the Lider 38950 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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