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WRX STI: Capacity

Model 2.5 L DOHC high power turbo
Fuel tank L (US gal, Imp gal) 60 (15.9, 13.2)
Engine oil Total capacity (at overhaul) 5.0 (5.3, 4.4)
L (US qt, Imp qt)
Filling amount of engine oil When replacing engine oil and oil filter 4.3 (4.5, 3.8)
L (US qt, Imp qt) When replacing engine oil only 4.0 (4.2, 3.5)
Transmission gear oil L (US qt, Imp qt) 4.1 (4.3, 3.6)
Rear differential gear oil L (US qt, Imp qt) 1.0 (1.1, 0.9)
Power steering fluid L (US qt, Imp qt) 0.7 (0.7, 0.6)
Engine coolant L (US qt, Imp qt) 7.7 (8.2, 6.8)