If I hadn't hyphenated the two words, quite probably. Thus instead of 'better looking' for the comparative and 'best looking' for the superlative, my phraseology suggests 'more good-looking' for the comparative and 'most good-looking' for the superlative.
But I never did the 'C' exam, OCC, ISS or any other reeding and riteing course during my time in the RAF .
Anyway, the TSR2 looks superb!