Head to head
Ifor Williams P5 vs Lider 39920
The Ifor Williams P5 is 229kg lighter empty. The Lider 39920 is rated 250kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Lider 39920 weighs 229kg more empty.
- Gross weight: the Lider 39920 is rated 250kg heavier gross.
Specifications side by side
| Ifor Williams P5 | Lider 39920 | |
|---|---|---|
| Gross weight | 500kg | 750kg |
| Unladen weight | 141kg | 370kg |
| Brakes | Unbraked | Unbraked |
| Payload | 359kg | - |
| Internal bed | 1.53m x 1.02m | - |
| Internal length | - | 230cm |
| Internal width | - | 135cm |
| Internal height | - | 157cm |
| Axles | - | 1 |
Sources: Ifor Williams P5, Lider 39920. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the P5 if...
- you want one that is 229kg lighter empty
A light general-purpose trailer for domestic buyers moving garden waste, small loads or a mower, chosen for its low unladen weight so it can be towed by almost any car.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the 39920 if...
- you want one that is rated 250kg heavier gross
The smallest box van in the range, for buyers who want lockable, weatherproof storage on the move without moving up to a braked twin-axle trailer.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams P5 and the Lider 39920?
The Ifor Williams P5 is 229kg lighter empty. The Lider 39920 is rated 250kg heavier gross. The Ifor Williams P5 is a the smallest unbraked domestic trailer Ifor Williams makes; the Lider 39920 is a an unbraked single-axle enclosed box van trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams P5 or the Lider 39920?
The Ifor Williams P5. It is 229kg lighter empty than the Lider 39920.
Can I tow the Ifor Williams P5 or the Lider 39920 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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