Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Lider 39770
The Lider 39770 is 2,070kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 1.9 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2,070kg more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 1.9 tonnes heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Lider 39770 | |
|---|---|---|
| Gross weight | 3500kg | 1600kg |
| Unladen weight | 2500kg | 430kg |
| Internal bed | - | 361 x 185 x 11cm |
| Axles | - | 1 |
| Brakes | - | Braked |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Lider 39770. 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 1.9 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 39770 if...
- you want one that is 2,070kg lighter empty
A lighter single-axle car transporter for owners of small cars, motorhomes-with-tow-cars or similar, sized to be towed by a mid-range family car.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Lider 39770?
The Lider 39770 is 2,070kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 1.9 tonnes heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Lider 39770 is a a braked single-axle car transporter trailer rated at 1600kg gross weight..
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Lider 39770?
The Lider 39770. It is 2,070kg 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 39770 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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