Head to head
Ifor Williams Business Inabox vs Ifor Williams P7e
The Ifor Williams P7e is 1,707kg lighter empty. The Ifor Williams Business Inabox is rated 2,750kg heavier gross.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,707kg more empty.
- Gross weight: the Ifor Williams Business Inabox is rated 2,750kg heavier gross.
Specifications side by side
| Ifor Williams Business Inabox | Ifor Williams P7e | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 1900kg (Workshop M) | 193kg |
| Internal length | 4.45m (Workshop M) | - |
| Internal width | 2.18m | - |
| Overall length | 5.96m (Workshop M) | - |
| Payload | - | 557kg |
| Internal bed | - | 2.21m x 1.21m |
| Brakes | - | Unbraked |
Sources: Ifor Williams Business Inabox, Ifor Williams P7e. 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 2,750kg 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 P7e if...
- you want one that is 1,707kg lighter empty
For buyers who find the P6e's bed a little short for longer items like ladders or fencing panels, on the same unbraked 750kg chassis.
Listed by
- Cobham Trailer Hire - Cobham, East Horsley
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Ifor Williams Business Inabox and the Ifor Williams P7e?
The Ifor Williams P7e is 1,707kg lighter empty. The Ifor Williams Business Inabox is rated 2,750kg heavier gross. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Ifor Williams P7e is a a slightly longer unbraked general-purpose trailer.
Which is lighter, the Ifor Williams Business Inabox or the Ifor Williams P7e?
The Ifor Williams P7e. It is 1,707kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Ifor Williams Business Inabox or the Ifor Williams P7e 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
