Head to head
Eco-Trailer Velocity iQ vs Ifor Williams HB506
The Eco-Trailer Velocity iQ is rated 400kg heavier gross. The Ifor Williams HB506 is 60kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Eco-Trailer Velocity iQ is rated 400kg heavier gross.
- Unladen weight: the Eco-Trailer Velocity iQ weighs 60kg more empty.
Specifications side by side
| Eco-Trailer Velocity iQ | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 3,000kg | 2,600kg |
| Unladen weight | 980kg | 920kg |
| Payload | 2,020kg | - |
| Overall dimensions | 7.15m x 2.48m x 2.40m | - |
| Bed length | 4.88m | - |
| Internal length | - | 3.16m |
| Internal width | - | 1.67m |
| Brakes | - | Braked |
Sources: Eco-Trailer Velocity iQ, Ifor Williams HB506. 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 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 HB506 if...
- you want one that is 60kg lighter empty
The mainstream two-horse trailer in Britain, used by private owners and small yards. Its comparatively low unladen weight for the class is the practical point: it widens the range of 4x4s and large SUVs that can legally and comfortably tow it.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Horse Trailer Sales - Robertsbridge, Staplecross
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Eco-Trailer Velocity iQ and the Ifor Williams HB506?
The Eco-Trailer Velocity iQ is rated 400kg heavier gross. The Ifor Williams HB506 is 60kg lighter empty. The Eco-Trailer Velocity iQ is a enclosed car transporter trailer; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Which is lighter, the Eco-Trailer Velocity iQ or the Ifor Williams HB506?
The Ifor Williams HB506. It is 60kg lighter empty than the Eco-Trailer Velocity iQ.
Can I tow the Eco-Trailer Velocity iQ or the Ifor Williams HB506 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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