Most older tiny city cars, ESPECIALLY the box shaped granny cars.
Can't stand cars which are short ( front to back), thin (left to right) yet tall ( bottom to top).
Dislike most new ''retro'' cars too, fiat 500, beetle and the new mini. ( I like the classic mini though).
Generally I also dislike it when people spend a gazillion on a new car, and then buy the most basic rubbish model without anything, simply don't understand why one would want to spend 6.000+ € on a car without even basics like aircon, cruise control ( fair enough if it's a city shopping cart but I know of people who have traded modern ( 2002 ish) well specced cars for a base model Toyota Aygo, etc... I can understand companies buying vans without a/c to save a couple of thousand on a fleet, but private buyers, WTF... So basically loathe new cars without any kind of options.
But most of all:
Voiturettes or 45kph cars, they are the worst, either driven by an old granny who will hold up a whole queue of normal cars behind her or some 16 year old acting cool ( you know, the look at you shaprly seat back lean back type) behind the wheel, I've had 16 year olds trying to race me in them, and they are ALWAYS holding up a massive line of traffic

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Toyota Prius - Everytime I see one I get an overwhelming urge to drop a gear or two and overtake them / accelerate past them just to help contribute a help them out with their carbon footprint.
To be honest, I wouldn't really mind having one of those, nice and silent in the city and quite nice tech, but obviously if I wanted a hybrid I'd rather choose something like a Lexus ls600h, which has a little bit of petrol powahhhh too... I don't give a hoot about carbon dioxides though

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