EDITED: I get around 12-13 litre per 100km. Guess that’s around 23MPG.
I forgot to mention the specs
91’ Exceed with 4D56T and manual transmission. Has close to 300,000kms.
Interestingly, my standard Mitsubishi L300 Express with 4G64 Auto has better economy and more power. Guess being 2WD it...