What is it?

“Basically, it’s Kia’s Fiesta” is the way to explain the anonymous shape of the Rio, which remains largely unfamiliar to the public, despite having been sold in the UK since 2005 and twice since reinvented.

This is the updated version of the Rio that arrived in 2017. The range opens at around £14,000, but that’s with a 1.25-litre naturally aspirated engine that looks on paper like it would be asthmatic and comes in a Rio devoid of much desirable kit.

We’re at the other end of the spectrum, where the new 1.0-litre three-cylinder engine – named Smartstream – gains a turbocharger and Kia’s first mild-hybrid system, which, like almost all of them, uses 48V electrics.

What’s it like?

At £21,000 in GT-Line S trim (the top of the four-strong range), the Fiesta comparison is surprisingly valid. You might still grimace at the prospect of a 1.0-litre engine, but while the power output remains at 118bhp, this unit is 16% torquier than its forebear, giving an unexpectedly strong 148lb ft. It certainly doesn’t feel wanting – not by supermini standards – when you get a move on.

Meanwhile, the new 48V system is impressively discreet, recuperating energy without drawing attention to itself, save for a cute yacht icon in the instrument binnacle to signal when you’re ‘sailing’ – that is, when the engine shuts off during coasting. Likewise, Kia’s new Continuously Variable Valve Duration system, which switches between combustion cycles depending on the throttle load.

The powertrain has a weakness, though, in the optional (£1000) automatic gearbox. It’s not slick, sometimes alerting you to its shifting and hesitating. An auto always feels wrong in a supermini, and it does even more so when you learn about Kia’s new Intelligent Manual Transmission (IMT), which links the lever and clutch pedal to the ’box only electronically, again for efficiency.

All of this efficiency technology is borne out in an official (WLTP) 51.4mpg fuel consumption figure, which in our experience wouldn’t be too hard to achieve in real-life mixed use.

Other improvements in this update focus on the cabin. Most obvious is a larger (8.0in) touchscreen, which, as we have come to expect from Kia, looks rather good and is fairly intuitive. Despite this, the interior retains an old-school charm – not at all a bad thing, because it means everything is logically laid out and controlled by large physical buttons – yet doesn’t feel of old-school quality.



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