Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Maypole MP6815
The Maypole MP6815 is 2,423kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 3,001kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2,423kg more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 3,001kg heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Maypole MP6815 | |
|---|---|---|
| Gross weight | 3500kg | 499kg |
| Unladen weight | 2500kg | 77kg |
| Payload | - | 422kg |
| Internal length | - | 145cm |
| Internal width | - | 100cm |
| Internal height | - | 32cm |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Maypole MP6815. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Sonic Five Seats 3,500kg if...
- you want one that is rated 3,001kg heavier gross
A five-seat cab variant of the Sonic, aimed at families or small teams who want to travel together to competitions rather than sending a second car. It carries the same horse capacity as the standard Sonic.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Three Counties - Hereford
Buy or hire the MP6815 if...
- you want one that is 2,423kg lighter empty
A mid-sized general purpose trailer for buyers who want more bed length than the MP6812 while staying light enough for a small car to tow.
Listed by
- Sleaford Trailers - Sleaford
- Towy Trailer Centre - Llandeilo, Ffairfach
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Maypole MP6815?
The Maypole MP6815 is 2,423kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 3,001kg heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Maypole MP6815 is a a small unbraked single-axle general purpose car trailer rated at 499kg gross weight..
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Maypole MP6815?
The Maypole MP6815. It is 2,423kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg or the Maypole MP6815 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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