You compare apples and pears. Dive is usually a regular verb, hence dived; drive is an irregular (and occasionally reflexive) verb hence drove
I was actually comparing two verbs that end in 've' therefore I'm not comparing apples with pears.
please note the smiley used in both posts.
Seriously though I actually find 'dived' sounds clumsy, a bit like the use of 'lighted' instead of 'lit' but I suspect it depends when you were educated and by whom, my English teacher insisted on his rules, with things such as heave/hove, reeve/rove, roof/rooves, hoof/hooves etc. if you dared to write 'heaved' you got a clip round the ear even though it was used at the time