Head to head
Eco-Trailer Velocity iQ vs Ifor Williams GX125 HD
The Ifor Williams GX125 HD carries 720kg more and is 220kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams GX125 HD carries 720kg more.
- Unladen weight: the Eco-Trailer Velocity iQ weighs 220kg more empty.
- Gross weight: the Ifor Williams GX125 HD is rated 500kg heavier gross.
Specifications side by side
| Eco-Trailer Velocity iQ | Ifor Williams GX125 HD | |
|---|---|---|
| Gross weight | 3,000kg | 3500kg |
| Unladen weight | 980kg | 760kg |
| Payload | 2,020kg | 2740kg |
| Overall dimensions | 7.15m x 2.48m x 2.40m | - |
| Bed length | 4.88m | - |
| Internal bed | - | 3.66m x 1.57m |
Sources: Eco-Trailer Velocity iQ, Ifor Williams GX125 HD. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Velocity iQ if...
An enclosed trailer that keeps a car dry and out of sight in transit, built on Eco-Trailer's own chassis. Motorsport teams and car traders hire it to move a vehicle without exposing it to weather or attention on the road.
Listed by
- OK Racing Trailer Hire - Hertfordshire
Buy or hire the GX125 HD if...
- you want one that carries 720kg more
- you want one that is 220kg lighter empty
- you want one that is rated 500kg heavier gross
For plant hire firms carrying longer machines such as excavators with extended dipper arms or tracked dumpers that need the extra bed length over the GX105HD.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Eco-Trailer Velocity iQ and the Ifor Williams GX125 HD?
The Ifor Williams GX125 HD carries 720kg more and is 220kg lighter empty. The Eco-Trailer Velocity iQ is a enclosed car transporter trailer; the Ifor Williams GX125 HD is a a longer heavy-duty plant trailer.
Which is lighter, the Eco-Trailer Velocity iQ or the Ifor Williams GX125 HD?
The Ifor Williams GX125 HD. It is 220kg lighter empty than the Eco-Trailer Velocity iQ.
Which carries more, the Eco-Trailer Velocity iQ or the Ifor Williams GX125 HD?
The Ifor Williams GX125 HD, by 720kg.
Can I tow the Eco-Trailer Velocity iQ or the Ifor Williams GX125 HD 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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