Subaru WRX & WRX STI Manuals 2013 Impreza WRX & WRX STI Owner's Manual | Page 376

12-8 Specifications & Engine coolant NOTE Each quantity indicated here is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. Model Turbo models Coolant capacity Except STI 7.8 US qt (7.4 liters, 6.5 Imp qt) STI 8.1 US qt (7.7 liters, 6.8 Imp qt) For the checking, adding and replacing procedure, or other details, refer to “Cooling system” F11-11. Coolant type SUBARU Super Coolant