Head to head
Eco-Trailer Velocity iQ vs Ifor Williams LM166
The Ifor Williams LM166 carries 685kg more and is 185kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Payload: the Ifor Williams LM166 carries 685kg more.
- Unladen weight: the Eco-Trailer Velocity iQ weighs 185kg more empty.
- Gross weight: the Ifor Williams LM166 is rated 500kg heavier gross.
Specifications side by side
| Eco-Trailer Velocity iQ | Ifor Williams LM166 | |
|---|---|---|
| Gross weight | 3,000kg | 3500kg |
| Unladen weight | 980kg | 795kg |
| Payload | 2,020kg | 2705kg |
| Overall dimensions | 7.15m x 2.48m x 2.40m | - |
| Bed length | 4.88m | - |
| Internal bed | - | 4.77m x 1.98m |
Sources: Eco-Trailer Velocity iQ, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Velocity iQ if...
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 LM166 if...
- you want one that carries 685kg more
- you want one that is 185kg lighter empty
- you want one that is rated 500kg heavier gross
Bought by contractors and hauliers who regularly carry longer loads, such as fencing materials or several pallets, and need more deck length than the LM106 or LM126 provide.
Listed by
- East Midlands Trailers - Leicester, Thrussington
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Eco-Trailer Velocity iQ and the Ifor Williams LM166?
The Ifor Williams LM166 carries 685kg more and is 185kg lighter empty. The Eco-Trailer Velocity iQ is a enclosed car transporter trailer; the Ifor Williams LM166 is a a long-bed flatbed trailer.
Which is lighter, the Eco-Trailer Velocity iQ or the Ifor Williams LM166?
The Ifor Williams LM166. It is 185kg lighter empty than the Eco-Trailer Velocity iQ.
Which carries more, the Eco-Trailer Velocity iQ or the Ifor Williams LM166?
The Ifor Williams LM166, by 685kg.
Can I tow the Eco-Trailer Velocity iQ or the Ifor Williams LM166 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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