Head to head
Brian James A Transporter (A4) vs Ifor Williams BV106
The Ifor Williams BV106 is rated 1.5 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams BV106 is rated 1.5 tonnes heavier gross.
Specifications side by side
| Brian James A Transporter (A4) | Ifor Williams BV106 | |
|---|---|---|
| Gross weight | 2,000kg to 3,000kg depending on variant | 3500kg |
| Bed | 3.7m x 1.8m up to 5.0m x 2.0m depending on variant | - |
| Brakes | Braked, tandem axle | - |
| Overall length | - | 4.70m |
| Internal load length | - | 3.00m |
| Internal width | - | 1.73m |
| Unladen weight | - | 900kg (6' H/R); 935kg (7' H/R) |
| Payload | - | 2600kg (6' H/R); 2565kg (7' H/R) |
| Tyres | - | 155/70R12C |
Sources: Brian James A Transporter (A4), Ifor Williams BV106. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A Transporter (A4) if...
One of the most common car trailers in Britain, bought by trade and private owners for moving road cars, project cars and small vans. The reason it sells is the spread of bed length and gross weight combinations, which lets you match the trailer to the tow car rather than the other way round.
Listed by
- Fieldfare Trailer Centre - Salisbury
- Bicester Trailer Centre - Bicester
- Trek-Trailers Three Counties - Hereford
Buy or hire the BV106 if...
- you want one that is rated 1.5 tonnes heavier gross
The BV106 is an enclosed, lockable box trailer aimed at trades and small businesses that need to keep tools, stock or equipment secure and dry between jobs. The taller 7' high-roof version suits bulkier or taller items at the cost of a little extra unladen weight.
Full BV106 specifications →Common questions
What is the difference between the Brian James A Transporter (A4) and the Ifor Williams BV106?
The Ifor Williams BV106 is rated 1.5 tonnes heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Ifor Williams BV106 is a a twin-axle enclosed box van trailer, available in 6' and 7' high-roof versions..
Can I tow the Brian James A Transporter (A4) or the Ifor Williams BV106 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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