Head to head
Ifor Williams P5 vs Lider 39450
The Ifor Williams P5 is 109kg lighter empty. The Lider 39450 is rated 250kg heavier gross.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Lider 39450 weighs 109kg more empty.
- Gross weight: the Lider 39450 is rated 250kg heavier gross.
Specifications side by side
| Ifor Williams P5 | Lider 39450 | |
|---|---|---|
| Gross weight | 500kg | 750kg |
| Unladen weight | 141kg | 250kg |
| Brakes | Unbraked | Unbraked |
| Payload | 359kg | - |
| Internal bed | 1.53m x 1.02m | - |
| Internal length | - | 251cm |
| Internal width | - | 133cm |
| Internal height | - | 40cm |
| Axles | - | 2 |
Sources: Ifor Williams P5, Lider 39450. 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 109kg 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 39450 if...
- you want one that is rated 250kg heavier gross
Gives buyers the stability of a twin-axle trailer for garden and general loads while staying under the unbraked weight limit.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams P5 and the Lider 39450?
The Ifor Williams P5 is 109kg lighter empty. The Lider 39450 is rated 250kg heavier gross. The Ifor Williams P5 is a the smallest unbraked domestic trailer Ifor Williams makes; the Lider 39450 is a an unbraked twin-axle wooden-sided general purpose trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams P5 or the Lider 39450?
The Ifor Williams P5. It is 109kg lighter empty than the Lider 39450.
Can I tow the Ifor Williams P5 or the Lider 39450 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.
