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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

Velocity iQ
Eco-Trailer Velocity iQ
Ifor Williams HBX506
Ifor Williams HBX506 - image: Norfolk Trailers

Key differences

Specifications side by side

Eco-Trailer Velocity iQIfor Williams HBX506
Gross weight3,000kg2600kg
Unladen weight980kg865kg
Payload2,020kg1735kg
Overall dimensions7.15m x 2.48m x 2.40m-
Bed length4.88m-
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

Full Velocity iQ specifications →

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

Full HBX506 specifications →

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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