When it comes to driving licences, is cleanliness next to godliness?
No, I don't think so. I haven't got any points, but we're not all perfect. Then again, there are some people who get done for doing 32mph in a 30mph zone or something.

How many laps into a F1 race before you nod off?
None. I don't really watch it. Maybe I'll watch the highlights, but that's about it. I mean, the wife and I will watch football, and of course, Top Gear, but not really F1. It's a bit like watching cricket... except entirely different.

What's the nastiest thing you've ever done in a car?
Nothing really. I'm quite relaxed in a car. I might have put my fingers up at someone once but that's about it. I like to keep a low profile; we can't have anyone saying "Gaz Coombes got out of his car at me" or anything like that.

What winds you up about other drivers?
Not much, going ridiculously slow, you know when you're tootling along and then you get someone doing 10mph and you just think '"oh, come on!"

What made you last get round to cleaning your car?
Quite recently actually. I'm going to part-exchange another BMW I've got for something else, so I had to give it a quick clean.

What makes you lock the doors when you're driving?
I dunno. Having my daughter in the car means I put the child locks on. The only other time was when I was driving out of South London and started to get a bit paranoid, so I put them down then.

What's the secret to flirting at traffic lights?
Well, make sure it's a lady first; that's always a good start. If it's one with muscles, then you might want to think again. Or if her muscley boyfriend is sitting next to her, that always a no-no. But as I said, I'm not too outgoing, I just sit in my own world when I'm driving.

What one piece of advice would you give to other drivers?
I think that at some point in life, every driver should have to go in an old motor and appreciate what it was like to actually drive a proper car, and all the processes that go into it. I drove a Prius the other day, and the thing literally parked itself. Drivers should go into an old car, checking all the levels are OK, make adjustments to the choke... really appreciate the actual processes of motoring.

Is there one car you'd like to drive before you die?
Hmmm, it would probably be a new Aston Martin, which costs around £200,000 or something like that. Just for the experience really, it's not something I'd usually drive.

Is there a car you're contractually obliged to plug?
No, although if anybody wants me to promote anything I will. Does that sound shallow? Yes it probably does. We're not really into endorsing too much, only things we care about. We used to do these interviews in Japan when we were touring out there and we'd say we really like things like red socks. Then, the next day we'd get sent loads of red socks to wear. I think I said I would really like to be driven in a Ferrari as well, but no one came and actually picked me up in one. Shame.

Supergrass' latest album Diamond Hoo Haa Man is out now.
All pictures: Andy Willsher