Defo not Brum, that little car didn't have any chat. Sounds like you could be thinkin' of 'Bugsy', but it's a real obscure one mate. Didn't last too long, had a sentient car but it aired late 80's. Check it out, maybe it'll jog your memory.
Yeah, Bright Ideas was a unique blend of programming, wasn't it? They had this knack for combining light entertainment with educational content. Dave, on the other hand, is more dedicated to comedy. Can't compare apples to oranges, mates.