Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Ifor Williams Eurolight EL101-2515
The Ifor Williams Eurolight EL101-2515 is 2,210kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 2.5 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2,210kg more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 2.5 tonnes heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Ifor Williams Eurolight EL101-2515 | |
|---|---|---|
| Gross weight | 3500kg | 1000kg |
| Unladen weight | 2500kg | 290kg |
| Internal bed | - | 2.58m x 1.58m |
| Axles | - | Single |
| Brakes | - | Braked |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Ifor Williams Eurolight EL101-2515. 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 2.5 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 Eurolight EL101-2515 if...
- you want one that is 2,210kg lighter empty
The EL101-2515 suits owners who only have a small braked towing capacity, since its 1000kg gross weight and single axle keep it within reach of many family cars. Its 2.58m bed still covers everyday jobs like garden waste, flat-pack furniture or a small ride-on mower.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Ifor Williams Eurolight EL101-2515?
The Ifor Williams Eurolight EL101-2515 is 2,210kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 2.5 tonnes heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Ifor Williams Eurolight EL101-2515 is a a small single-axle flatbed trailer in Ifor Williams' lightweight Eurolight range, built for towing behind cars with a restricted towing limit..
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Ifor Williams Eurolight EL101-2515?
The Ifor Williams Eurolight EL101-2515. It is 2,210kg 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 Eurolight EL101-2515 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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