KF-21 can carry 5,400 kg (12,000 lb) of fuel internally and 4 × 480 gal tanks, totaling 5,914 kg (13,040 lb). Rafale that was suggested to Indian Air Force was advertised to carry 4,700 kg of fuel internally and up to 6,700 kg of fuel externally. So KF-21 can carry more fuel intenrally, but if...