In-depth Reviews

Kia Rio hatchback - MPG, running costs & CO2

The Kia Rio benefits from a very efficient engine range and is cheap to insure

Carbuyer Rating

3.9 out of 5

Owners Rating

3.6 out of 5

Read owner reviews
MPG, running costs & CO2 Rating

4.5 out of 5

The Kia Rio engine range has been overhauled for the latest model and all of the engines offer decent efficiency.

Kia Rio MPG & CO2

The most efficient engine is the 99bhp 1.0-litre turbocharged petrol. Managing up to 48.7mpg on the WLTP cycle, it's more economical and more powerful than the naturally aspirated engine. It's the engine we recommend due to its reasonable mix of performance and economy, and is the best choice for company car drivers too, as it falls into a low Benefit-in-Kind (BiK) band.

The more powerful version of the same 1.0-litre engine is the strongest performer in the line-up, but owing to its small size, it still manages 46.3mpg and the same 139g/km of CO2. The 83bhp 1.25-litre petrol is the cheapest engine in the Rio range, returning up to 46.3mpg and emitting 139g/km of CO2.

In late 2018, Kia ended production of the diesel version of the Rio hatchback.

All Rios are liable for road tax of £150 a year.

Insurance group

The Kia Rio occupies insurance groups four to ten, with the 83bhp 1.25-litre petrol costing least to insure and the range-topping 99bhp 1.0-litre GT-Line S the only car to sit in group ten.


One area in which the Rio excels, like all Kias, is warranty cover. Lasting for seven years or 100,000 miles, the brand’s warranty offers fantastic peace of mind and should give owners confidence in the reliability of their cars. It's fully transferable to subsequent owners of the car, too.


Kia servicing costs are generally competitive. Petrol models need a service every 10,000 miles or once a year, with diesels needing attention every 20,000 miles or once a year. Kia offers a ‘Care-3’ service pack that costs £299 and covers you for the first three services. For an extra £30, you can get the car’s first MOT included, and for £599 you can cover the cost of the car’s first five services.

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