Best small cars for 2025: tested and rated by experts – which.co.uk
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With a masters degree in automotive journalism, Dino has a forensic knowledge of the car industry and works closely with our lab to find the best (and worst) models.
In this article
How our tests reveal the best small cars
Seat space
We use a dummy to work out precisely how much head, leg and knee space there is for the driver and all passengers.
Boot space
We load the boot of each car with foam blocks to figure out the usable amount of space, ignoring useless nooks and crannies.
Visibility
Our lab takes a 360-degree image of each car, then analyses them to identify obstructions to the driver's view.
We also look at
Reliability based on our annual survey (unreliable cars can’t be Best Buys), fuel economy, safety and more.
The best small cars are loved by their owners. And for good reason: they're compact enough to make driving in town easy and just large enough to be comfortable on long-distance trips.
Regardless of which best suits your needs, you shouldn’t settle for a small or city car that’s inefficient or has substandard build quality.
Our independent, in-depth lab tests reveal which small cars are worth buying, and those you should avoid.
Alternatively, view all our new and used small car reviews.
Looking to go electric? See our pick of the best small electric cars
The best new small cars are well built, safe and practical. As with all new cars, you'll be paying a premium when buying new, but you can save money by opting for nearly new.
Only logged-in Which? members can view our test scores. If you’re not yet a member, join Which? today to get instant access to all our car reviews.
5 E-Tech Electric (2025-)
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A290 (2025-)
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Cooper Electric (2024-)
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Corsa Electric (2020-)
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2 Hybrid (2022-)
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There are many exceptional small cars out there available to buy used – make sure you avoid the duds by choosing one of the top-performers below.
Corsa (2014-2019)
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i3 (2013-2022)
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e (2020-2024)
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Yaris Hybrid (2012-2020)
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Fabia (2015-2021)
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Some small cars are worth avoiding altogether, often due to poor Euro NCAP crash test scores.
Panda (2012-2024)
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C3 (2010-2016)
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DS3 (2010-2019)
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Not found the car for you? See all our new and used small car reviews.
Small cars are, well, small, but that doesn't mean they need to feel cramped. We've found models that are deceptively spacious with more legroom than you would expect from the outside. That said, we've found cars that are a tight squeeze for two occupants, let alone five.
This is especially true of city cars, some of which can only comfortably carry four passengers – and, even then, they may not want to be there for very long.
Some manufacturers see the small car moniker as a practicality challenge, adding creative storage solutions and smart folding seats. But other manufacturers see it as an excuse, creating cars with small, badly designed boots with high lips that make them difficult to load.
Being smaller and lighter than most cars doesn't mean a low-powered engine will suffice. Our testing has uncovered engines that struggle to get their cars going. While small and city cars are designed for urban use, they shouldn’t leave you struggling to get up hills at motorway speeds. If the engine can't manage this, then you'll be moving up and down the gears too often to maintain your speed.
From dealerships to classifieds, discover the best place to buy a car
Small cars are inevitably built to a price – but there's no excuse for car manufacturers to skimp on safety equipment to keep costs low.
We've also found that cheaper versions of some used models are missing active safety technology, such as AEB (Autonomous Emergency Braking).
Any car that scores fewer than three stars out of five in Euro NCAP tests is an instant Which? Don't Buy.
The latest car news, deals, advice and more – every month.
Small cars are generally cheap to run. But if you’re particularly concerned about running costs, consider fitting low rolling-resistance tyres, which require less energy to turn. Opting for the smallest wheels possible will also minimise the energy needed to get your car going.
Small cars haven’t been neglected in the switch to sustainable mobility. There are several excellent hybrid and electric models that could significantly reduce your running costs, particularly around town.
However, if you're planning to venture beyond the city limits, you may find that a less powerful petrol engine runs out of puff on faster roads, on steep inclines or when the car is fully loaded.
Most manufacturers are making their smaller engines more powerful and efficient with turbochargers. Older non-turbo motors (usually fitted to the cheapest models in the range) are still available and are usually best avoided, unless a low price is your ultimate concern.
When we test cars, we look at in-gear acceleration and see how well a car accelerates. This simulates moving to a faster lane on the motorway or overtaking a slow-moving vehicle on a country road.
Fuel bills may be low, but don't assume that insurance for small cars will also be cheap. Higher performance versions of the Mini, for instance, are ranked as high, or even higher, than some BMW 3 Series models in terms of insurance risk, so choose carefully.
To minimise the potential for high insurance premiums, choose a model fitted with autonomous emergency braking (AEB). This reduces the likelihood and severity of low-speed collisions and cars fitted with it can normally be insured for less.
Check Which? insurance ratings and compare deals using the service provided by Confused.com
Choose your small car carefully. Based on our latest reliability survey, this car class has a fair number of unreliable models – including one example where more than half of owners in our survey experienced at least one fault.
However, there are always exceptions. See our guide to the most reliable cars for more.
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The modest dimensions of small cars doesn't necessarily mean they will prove impractical as family runabouts.
Many, such as the Skoda Fabia, offer a spacious boot thanks to clever packaging. Others such as the Honda Jazz have innovative interior storage solutions, such as clever rear seat bases (named 'magic seats' by Honda) that flip up to create a large vertical load space.
Most models are five-door and come with Isofix points for easy and secure child-seat installation.
You're unlikely to be able to fit a child seat in the centre rear seat, though, as the seat base is usually too small. Whatever car you choose, make sure your child's car seat is a Best Buy. Our independent crash tests have uncovered child car seats that will put your child at risk. See our guide to the best child car seats for more.
Our lab tests go the extra mile, and because Which? is independent, you can trust our reviews to give you the full, honest and impartial truth about every car we test.
To find out more, head to our guide on how we test cars.
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