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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

Velocity iQ
Eco-Trailer Velocity iQ
Ifor Williams LM166
Ifor Williams LM166 - image: blains.co.uk

Key differences

Specifications side by side

Eco-Trailer Velocity iQIfor Williams LM166
Gross weight3,000kg3500kg
Unladen weight980kg795kg
Payload2,020kg2705kg
Overall dimensions7.15m x 2.48m x 2.40m-
Bed length4.88m-
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

Full Velocity iQ specifications →

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

Full LM166 specifications →

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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