Head to head
Eco-Trailer Velocity iQ vs Ifor Williams HB403
The Eco-Trailer Velocity iQ carries 1,187kg more and is rated 1.4 tonnes heavier gross. The Ifor Williams HB403 is 213kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Eco-Trailer Velocity iQ carries 1,187kg more.
- Gross weight: the Eco-Trailer Velocity iQ is rated 1.4 tonnes heavier gross.
- Unladen weight: the Eco-Trailer Velocity iQ weighs 213kg more empty.
Specifications side by side
| Eco-Trailer Velocity iQ | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 3,000kg | 1600kg |
| Unladen weight | 980kg | 767kg |
| Payload | 2,020kg | 833kg |
| Overall dimensions | 7.15m x 2.48m x 2.40m | - |
| Bed length | 4.88m | - |
| Internal length | - | 3.08m |
| Internal width | - | 1.30m |
Sources: Eco-Trailer Velocity iQ, Ifor Williams HB403. 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 1,187kg more
- you want one that is rated 1.4 tonnes 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 HB403 if...
- you want one that is 213kg lighter empty
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Eco-Trailer Velocity iQ and the Ifor Williams HB403?
The Eco-Trailer Velocity iQ carries 1,187kg more and is rated 1.4 tonnes heavier gross. The Ifor Williams HB403 is 213kg lighter empty. The Eco-Trailer Velocity iQ is a enclosed car transporter trailer; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Which is lighter, the Eco-Trailer Velocity iQ or the Ifor Williams HB403?
The Ifor Williams HB403. It is 213kg lighter empty than the Eco-Trailer Velocity iQ.
Which carries more, the Eco-Trailer Velocity iQ or the Ifor Williams HB403?
The Eco-Trailer Velocity iQ, by 1,187kg.
Can I tow the Eco-Trailer Velocity iQ or the Ifor Williams HB403 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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