Head to head
Ifor Williams GD84 vs Sun Way Galaxy G510M16
The Ifor Williams GD84 is rated 2.2 tonnes heavier gross and carries 1,690kg more. The Sun Way Galaxy G510M16 is 260kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams GD84 is rated 2.2 tonnes heavier gross.
- Payload: the Ifor Williams GD84 carries 1,690kg more.
- Unladen weight: the Ifor Williams GD84 weighs 260kg more empty.
Specifications side by side
| Ifor Williams GD84 | Sun Way Galaxy G510M16 | |
|---|---|---|
| Gross weight | 2700kg | 500 / 600 / 650 / 750 kg (modular rating) |
| Unladen weight | 450kg | 190 kg |
| Payload | 2250kg | up to 560 kg |
| Axles | Twin | Single, unbraked |
| Internal length | 2.55m | - |
| Internal width | 1.25m | - |
| Length | - | 470 - 600 cm |
| Width | - | 181 cm |
| Suitable boat length | - | up to 4.80 m |
Sources: Ifor Williams GD84, Sun Way Galaxy G510M16. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GD84 if...
- you want one that is rated 2.2 tonnes heavier gross
- you want one that carries 1,690kg more
A everyday farm and smallholding trailer for moving loose loads, logs or small livestock behind a 4x4 or pickup, chosen over the single-axle GD84 when the extra payload of a twin-axle chassis is needed.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the Galaxy G510M16 if...
- you want one that is 260kg 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 GD84 and the Sun Way Galaxy G510M16?
The Ifor Williams GD84 is rated 2.2 tonnes heavier gross and carries 1,690kg more. The Sun Way Galaxy G510M16 is 260kg lighter empty. The Ifor Williams GD84 is a a general-purpose dropside trailer; 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 GD84 or the Sun Way Galaxy G510M16?
The Sun Way Galaxy G510M16. It is 260kg lighter empty than the Ifor Williams GD84.
Which carries more, the Ifor Williams GD84 or the Sun Way Galaxy G510M16?
The Ifor Williams GD84, by 1,690kg.
Can I tow the Ifor Williams GD84 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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