Head to head
Brian James A4 Transporter vs Ifor Williams LM166
The Ifor Williams LM166 carries 475kg more and is rated 500kg heavier gross. The Brian James A4 Transporter is 25kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams LM166 carries 475kg more.
- Gross weight: the Ifor Williams LM166 is rated 500kg heavier gross.
- Internal bed: the Ifor Williams LM166 has a bed 27cm longer.
- Unladen weight: the Ifor Williams LM166 weighs 25kg more empty.
Specifications side by side
| Brian James A4 Transporter | Ifor Williams LM166 | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Unladen weight | 770kg | 795kg |
| Payload | 2230kg | 2705kg |
| Internal bed | 4.5m x 2.0m | 4.77m x 1.98m |
| Axles | Twin axle | - |
Sources: Brian James A4 Transporter, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A4 Transporter if...
- you want one that is 25kg lighter empty
The A4 Transporter suits driving schools, small dealers and enthusiasts who need to move one car at a time behind a car-derived tow vehicle, offering a simple twin-axle bed without the cost of a beavertail or enclosed body. Its compact size makes it easier to store and manoeuvre than the longer trailers in the A Transporter range.
Listed by
- Compass Trailers - Lewes, Ringmer
- Saxons Trailers - Westerham, Biggin Hill
- R M Trailer Centre - Middlesbrough, North Ormesby
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the LM166 if...
- you want one that carries 475kg more
- you want one that is rated 500kg heavier gross
- you want one that has a bed 27cm longer
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
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James A4 Transporter and the Ifor Williams LM166?
The Ifor Williams LM166 carries 475kg more and is rated 500kg heavier gross. The Brian James A4 Transporter is 25kg lighter empty. The Brian James A4 Transporter is a twin-axle open car transporter trailer from Brian James' A Transporter range, built for towing one car on a 4.5m bed.; the Ifor Williams LM166 is a a long-bed flatbed trailer.
Which is lighter, the Brian James A4 Transporter or the Ifor Williams LM166?
The Brian James A4 Transporter. It is 25kg lighter empty than the Ifor Williams LM166.
Which carries more, the Brian James A4 Transporter or the Ifor Williams LM166?
The Ifor Williams LM166, by 475kg.
Can I tow the Brian James A4 Transporter 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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