eibach do springs specific for diesel, petrol, manual or DSG - just make sure you get the right ones
some people fit manual springs to a DSG car to make it lower at the front though
eibach offer a large variety of springs to suit engine weight and gearbox spec - not sure if H&R do that - means your GTD will be lower than an equivalent GTI at the front on the same spring - if you get eibachs for the right application it will be right
Eibach
E20-85-014-01-22
Sportline
with roadworthy certificate, Lowering 45-50 mm, Axle Load FA to 1040 kg, Axle Load RA to 930 kg
E20-85-014-02-22
Sportline
for vehicles with direct shift gearbox;
with roadworthy certificate, Lowering 45-50 mm, Axle Load FA to 1130 kg, Axle Load RA to 930 kg