Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Sun Way Galaxy G510M16
The Sun Way Galaxy G510M16 is 2,310kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 3 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2,310kg more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 3 tonnes heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Sun Way Galaxy G510M16 | |
|---|---|---|
| Gross weight | 3500kg | 500 / 600 / 650 / 750 kg (modular rating) |
| Unladen weight | 2500kg | 190 kg |
| Payload | - | up to 560 kg |
| Length | - | 470 - 600 cm |
| Width | - | 181 cm |
| Axles | - | Single, unbraked |
| Suitable boat length | - | up to 4.80 m |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Sun Way Galaxy G510M16. 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 3 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 Galaxy G510M16 if...
- you want one that is 2,310kg lighter empty
The Galaxy G510M16 suits owners of small motorboats up to about 4.8m, using a multi-roller bed rather than bunks so the hull can be winched on and off easily at a slipway. Its modular rating up to 750kg gross weight lets an owner choose the plate that matches their towing licence.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Sun Way Galaxy G510M16?
The Sun Way Galaxy G510M16 is 2,310kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 3 tonnes heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Sun Way Galaxy G510M16 is a a single-axle multi-roller boat trailer from French manufacturer Sun Way, built for launching and recovering small motorboats..
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Sun Way Galaxy G510M16?
The Sun Way Galaxy G510M16. It is 2,310kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg or the Sun Way Galaxy G510M16 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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