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Kia Sportage vs Dacia Bigster

Figures updated

The Dacia Bigster is a new rival to the Kia Sportage, one of the UK's most popular family SUVs. We compare the Mk5 NQ5 (2021–) Sportage and the Mk1 (2025–) Bigster on price, size, boot space, performance, safety, official economy and running costs.

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The short answer

Pick the Kia Sportage for more performance, or the Dacia Bigster for the lower price, the bigger boot and lower fuel costs.

FigureKia SportageMk5 NQ5 (2021–), 5-door SUVDacia BigsterMk1 (2025–), 5-door SUV
Price and practicality
Price newUK list prices, across the range£31,395 to £47,895September 2026 price list£25,215 to £29,515July 2026 price list (best)
Body5-door SUV5-door SUV
Seats55
BootSeats up / folded591 litres / 1,780677 litres / 1,937 (best)
Length4,540mm4,570mm
WidthWithout mirrors1,865mm1,813mm
Height1,645mm1,712mm
Performance
Powerfrom 150 PS140–158 PS
0–62mph7.5–9.7 sec (best)9.7–9.8 sec
Safety
Euro NCAP ratingTests get tougher each year★★★★★ (2022)★★★★★ (2024)
Economy and emissions
Fuel typesDiesel, Hybrid, Petrol, Plug-in hybridHybrid, Petrol
Official economyVersions of this generation39.8–55.4 mpg46.3–61.4 mpg
CO227–163 g/km105–137 g/km
Running costs at 7,500 miles a year
Petrol or hybrid171.7p a litre, today's UK average£1,368 (42.8 mpg)£1,119 (52.3 mpg) (best)
Diesel198.4p a litre£1,246 (54.3 mpg)–
Cheapest version to fuelWhichever fuel costs least£1,246 (diesel)£1,119 (petrol)
Car tax a yearCars registered from April 2017£200£640 in years 2–6 for versions listed over £40,000£200
Reliability from real MOT tests
Reliability score99AverageToo new for MOT data
Failed MOT first time (ages 3–20)24.3%–
Failed at 3 years old15.7%–
Failed at 5 years old17.1%–
Failed at 10 years old33.0%–
Most common MOT faultBrake pads (3.6% of tests)–
Fails more than average onBrakes (1.7×), Steering (1.6×)–
MOT tests analysed258,990–
About the cars
TypeFamily SUVFamily SUV
Owners' average miles a year8,600–
On sale2021 on2025 on

Green marks the better figure where the difference is more than 3%. Reliability figures cover every version of each model tested in the year. Running costs use the typical official economy of recent versions (WLTP where available); real-world economy is usually a little worse for every car.

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Frequently asked questions

›Is the Kia Sportage or the Dacia Bigster more reliable?

It's too early to say from MOT records: the Dacia Bigster is too new, as cars take their first MOT at three years old. The Kia Sportage has a reliability score of 99 (100 is average) from 258,990 MOT tests in 2024.

›Which is bigger, the Kia Sportage or the Dacia Bigster?

The Dacia Bigster is 30mm longer (4,570mm against 4,540mm). The Dacia Bigster has the bigger boot: 677 litres against 591.

›Which is cheaper to buy, the Kia Sportage or the Dacia Bigster?

The Dacia Bigster: new prices start at £25,215, £6,180 less than the Kia Sportage (from £31,395). These are manufacturer list prices; dealers and brokers often sell for less.

›Which is cheaper to run, the Kia Sportage or the Dacia Bigster?

Comparing petrol versions, the Dacia Bigster costs about £249 a year less to fuel at 7,500 miles (£1,119 against £1,368), using typical official economy and current UK average fuel prices.

›Which is safer, the Kia Sportage or the Dacia Bigster?

Euro NCAP gave the Kia Sportage 5 stars (2022) and the Dacia Bigster 3 stars (2024). Euro NCAP makes its tests tougher every few years, so ratings from different years aren't directly comparable.

›Should I buy the Kia Sportage or the Dacia Bigster?

Pick the Kia Sportage for more performance, or the Dacia Bigster for the lower price, the bigger boot and lower fuel costs. The comparison above sets out price, space, performance, safety, running costs and reliability side by side.

Sources: manufacturers' UK specifications and price lists and Euro NCAP (listed on each model's page); DVSA anonymised MOT tests 2024 (Open Government Licence v3.0); Vehicle Certification Agency car fuel data, © Crown copyright, VCA cannot accept liability for its accuracy; fuel prices from the GOV.UK Fuel Finder scheme. Photos from Wikimedia Commons, credited under each picture.