Head to head
Ifor Williams Business Inabox vs Ifor Williams P6
The Ifor Williams Business Inabox is rated 2.5 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams Business Inabox is rated 2.5 tonnes heavier gross.
Specifications side by side
| Ifor Williams Business Inabox | Ifor Williams P6 | |
|---|---|---|
| Gross weight | 3500kg | 1000kg |
| Unladen weight | 1900kg (Workshop M) | - |
| Internal length | 4.45m (Workshop M) | - |
| Internal width | 2.18m | - |
| Overall length | 5.96m (Workshop M) | - |
| Axles | - | Single |
| Brakes | - | Braked |
| Size | - | 6ft x 4ft |
Sources: Ifor Williams Business Inabox, Ifor Williams P6. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Business Inabox if...
- you want one that is rated 2.5 tonnes heavier gross
A trailer shell fitted out as a mobile workshop, shop or catering unit rather than a load carrier. Tradespeople and mobile caterers buy it to take a fitted-out workspace to a site rather than build one into a van.
Listed by
- Norfolk Trailers - Norwich
Buy or hire the P6 if...
Ifor Williams P6, carried by UK dealers and hire companies listed on GetBrent for sale. The small Ifor Williams general purpose trailer and the forerunner of the current P6e. Householders and gardeners use it for tip runs, garden waste and DIY materials behind almost any car.
Full P6 specifications →Common questions
What is the difference between the Ifor Williams Business Inabox and the Ifor Williams P6?
The Ifor Williams Business Inabox is rated 2.5 tonnes heavier gross. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Ifor Williams P6 is a small general purpose trailer, 6ft x 4ft.
Can I tow the Ifor Williams Business Inabox or the Ifor Williams P6 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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