Head to head
Eco-Trailer Velocity iQ vs Ifor Williams HBX506
The Eco-Trailer Velocity iQ carries 285kg more and is rated 400kg heavier gross. The Ifor Williams HBX506 is 115kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Payload: the Eco-Trailer Velocity iQ carries 285kg more.
- Gross weight: the Eco-Trailer Velocity iQ is rated 400kg heavier gross.
- Unladen weight: the Eco-Trailer Velocity iQ weighs 115kg more empty.
Specifications side by side
| Eco-Trailer Velocity iQ | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 3,000kg | 2600kg |
| Unladen weight | 980kg | 865kg |
| Payload | 2,020kg | 1735kg |
| Overall dimensions | 7.15m x 2.48m x 2.40m | - |
| Bed length | 4.88m | - |
| Internal length | - | 3.26m |
| Internal width | - | 1.67m |
Sources: Eco-Trailer Velocity iQ, Ifor Williams HBX506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Velocity iQ if...
- you want one that carries 285kg more
- you want one that is rated 400kg heavier gross
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 HBX506 if...
- you want one that is 115kg lighter empty
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- East Midlands Trailers - Leicester, Thrussington
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Eco-Trailer Velocity iQ and the Ifor Williams HBX506?
The Eco-Trailer Velocity iQ carries 285kg more and is rated 400kg heavier gross. The Ifor Williams HBX506 is 115kg lighter empty. The Eco-Trailer Velocity iQ is a enclosed car transporter trailer; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Which is lighter, the Eco-Trailer Velocity iQ or the Ifor Williams HBX506?
The Ifor Williams HBX506. It is 115kg lighter empty than the Eco-Trailer Velocity iQ.
Which carries more, the Eco-Trailer Velocity iQ or the Ifor Williams HBX506?
The Eco-Trailer Velocity iQ, by 285kg.
Can I tow the Eco-Trailer Velocity iQ or the Ifor Williams HBX506 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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