Head to head
Ifor Williams GD85 vs Sun Way Galaxy G510M16
The Ifor Williams GD85 is rated 900kg heavier gross. The Sun Way Galaxy G510M16 is 205kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams GD85 is rated 900kg heavier gross.
- Unladen weight: the Ifor Williams GD85 weighs 205kg more empty.
Specifications side by side
| Ifor Williams GD85 | Sun Way Galaxy G510M16 | |
|---|---|---|
| Gross weight | 1,400kg single axle / 2,700kg twin axle | 500 / 600 / 650 / 750 kg (modular rating) |
| Unladen weight | 395kg single axle / 485kg twin axle | 190 kg |
| Internal bed | 2.5m x 1.58m (8ft 2in x 5ft 2in) | - |
| Brakes | Braked, auto-reverse over-run | - |
| Payload | - | up to 560 kg |
| Length | - | 470 - 600 cm |
| Width | - | 181 cm |
| Axles | - | Single, unbraked |
| Suitable boat length | - | up to 4.80 m |
Sources: Ifor Williams GD85, Sun Way Galaxy G510M16. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GD85 if...
- you want one that is rated 900kg heavier gross
The entry point of the Ifor Williams general duty range and one of the most common working trailers in Britain. Smallholders, gardeners and tradespeople buy it for everyday hauling without needing a heavy tow vehicle, and the twin-axle version roughly doubles the payload for a modest gain in unladen weight.
Full GD85 specifications →Buy or hire the Galaxy G510M16 if...
- you want one that is 205kg 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 Ifor Williams GD85 and the Sun Way Galaxy G510M16?
The Ifor Williams GD85 is rated 900kg heavier gross. The Sun Way Galaxy G510M16 is 205kg lighter empty. The Ifor Williams GD85 is a general duty box trailer, single or twin axle; 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 Ifor Williams GD85 or the Sun Way Galaxy G510M16?
The Sun Way Galaxy G510M16. It is 205kg lighter empty than the Ifor Williams GD85.
Can I tow the Ifor Williams GD85 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
