The HS has a braked towing limit of 1750kg and unbraked limit of 750kg. It has just under 250NM of torque which are the imortant figures to consider when towing.
If your considering towing a caravan you are best asking on sites like The caravan and motorhome forum. Practical caravan have also done a towing review of MG HS 2021 including tech spec’s below:
https://www.practicalcaravan.com/reviews/mg-hs
Technical Specifications
Engine Size 1490 cc
Kerbweight 1539 kg
85% KW 1308 kg
Towball Limit 75 kg
Maximum Towing Limit 1750 kg
Power 162 bhp
Torque 184 lb ft
Offical MPG 37.2 mpg
Towing MPG 22.8 mpg
CO₂ 172 g/km