Let's not fall for the polarisation of opinion that questions like this deliberately invite (I have not taken part in the poll). The best we can do is generalise and take into account the massive difference experience and attitude makes.
For me, there are three aspects to being a good driver - control of the vehicle, experience, and that all important attitude on the road. My feeling is that men tend to have the greater aptitude for driving, but this doesn't necessarily make them better drivers. The over-confidence of many (call it cockiness if you like) especially amongst so many young lads, leads them to drive more recklessly, with speed giving them much more of a 'buzz' than most women - and this is not good.
Good manners, patience and courtesy, especially on our increasingly congested roads, are qualities which have to be factored into what makes for a good driver. It's all very well being able to reverse park in the blink of an eye into a small space. But if that same driver, skilful as he or she may be, tail-gates, doesn't indicate, cuts people up, drives like a nutcase, flashes their headlights and toots their horn at every opportunity - can they, or anyone else, call them a good driver? No, they can't.
Having said that, the more gentle, more diffident, nature of most women leaves them the more likely to be timid behind the wheel, which also is not good. And the natural indifference of most women to the cold mechanics and the challenge, if you like, of driving tends to leave them at a disadvantage to the eager, ultra-enthusiastic, super-confident, approach which most men seem to bring to it.
What this boils down to is a need for confidence without (male) cockiness and (female) timidity - together with the experience, patience, and good manners which are all vital parts of what goes to make a good driver.
There are women HGV Class 1 drivers who are better than most men will ever live to be. But I have to say I know a worryingly high number of women whose attitude to driving leaves a lot to be desired. I have a sister-in-law who loathes motorways and the idea of changing lanes fills her with horror. Her solution? The moment she joins the motorway, she moves straight into the outside lane and drives as fast as she needs to in order to stay ahead of anyone coming up behind. She freely admits that this often involves driving at speeds way beyond that with which she feels comfortable.
I know two women in our village who simply will not turn right at roundabouts, driving miles out their way in order to avoid doing it. Listening to them giggling like schoolgirls as they discuss their driving fears and habits is hair-raising. In all honesty, though no doubt they exist, I have never come across a male driver with anything like these horrendous traits.
Then again, I've noticed the marked increase, especially amongst young women, who show all the habits of bad male drivers - impatience, tail-gating, no indications, and a readiness to toot the horn every chance they get.
The nutshell is that if I had to step blind into the passenger seat of a car driven by a stranger that was taking me the length of the country and I could choose between a man or a woman, I'd have to pick a male because of the likelihood that he'd be the more confident and, therefore, probably the better driver.
But I wouldn't go to the end of the street with anyone who I knew to be timid, impatient, arrogant, discourteous, or a speed freak.
And whether they were men, or women, would make no difference to me.