Subaru 2004 Impreza Owner's Manual page 341

Driving tips
and trailer are acceptable.
! Total trailer weight
Total trailer weight
The total trailer weight (trailer weight plus its cargo
load) must never exceed the maximum weight shown
below.
8-30
Model Conditions
MT models When towing a trailer with-
out brakes.
When towing a trailer with
brakes.
AT models When towing a trailer with-
out brakes.
When towing a trailer with
brakes.
When towing a trailer on a
long uphill grade continu-
ously for over 5 miles (8 km)
with an outside temperature
of 104°F (40°C) or above.
Maximum to-
tal trailer
weight
1,000 lbs
(453 kg)
2,000 lbs
(906 kg)
1,000 lbs
(453 kg)
2,000 lbs
(906 kg)
1,000 lbs
(453 kg)