Head to head
Eco-Trailer Velocity iQ vs Ifor Williams HB510XL
The Eco-Trailer Velocity iQ is 310kg lighter empty. The Ifor Williams HB510XL is rated 500kg heavier gross and carries 190kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 310kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 500kg heavier gross.
- Payload: the Ifor Williams HB510XL carries 190kg more.
Specifications side by side
| Eco-Trailer Velocity iQ | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3,000kg | 3500kg |
| Unladen weight | 980kg | 1290kg |
| Payload | 2,020kg | 2210kg |
| Overall dimensions | 7.15m x 2.48m x 2.40m | - |
| Bed length | 4.88m | - |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Eco-Trailer Velocity iQ, Ifor Williams HB510XL. 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 is 310kg lighter empty
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 HB510XL if...
- you want one that is rated 500kg heavier gross
- you want one that carries 190kg more
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Eco-Trailer Velocity iQ and the Ifor Williams HB510XL?
The Eco-Trailer Velocity iQ is 310kg lighter empty. The Ifor Williams HB510XL is rated 500kg heavier gross and carries 190kg more. The Eco-Trailer Velocity iQ is a enclosed car transporter trailer; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which is lighter, the Eco-Trailer Velocity iQ or the Ifor Williams HB510XL?
The Eco-Trailer Velocity iQ. It is 310kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Eco-Trailer Velocity iQ or the Ifor Williams HB510XL?
The Ifor Williams HB510XL, by 190kg.
Can I tow the Eco-Trailer Velocity iQ or the Ifor Williams HB510XL 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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