Theres nothing confusing about the PT Cruisers Tow Capacity its 1000#, 100# on the tongue.
How stuff works made a boo boo.
RV life style was one mans opinion, also a boo boo.
GT Towing got it right.
When all else fails check to owners manual.
That said, I was forced to haul my car trailer that my PT was riding on behind our Tahoe when the Tahoe's fuel pump failed and it had to be towed by AAA.
I unloaded the PT from the trailer while waiting for the tow truck to arrive. Then when they hooked up the Tahoe, I hooked up the PT to the now empty flatbed 1800# car trailer and headed home 130 miles including a 4 mile long 6 percent down grade without trailer brakes
The PT towed it without a problem, downshifted to 3rd using the engine braking to maintain speed down the grade and the occasional dab of the 4 wheel disc brakes
used to keep things in check.
I do NOT recommend towing over the factory tow rating !
Also when checking tow ratings note if there are any footnotes about tongue weight
, engines, transmissions, tow packages, cooling systems, gear ratios & frontal area of the trailer.
Be safe and use trailer brakes
when towing over 1500#, some states require that, others at 2000#.