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.
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.
- The Dacia Bigster is the cheapest to buy new: from £25,215, £6,180 less than the Kia Sportage.
- The Dacia Bigster has the biggest boot: 677 litres, 86 more than the Kia Sportage.
- Euro NCAP safety: Kia Sportage 5 stars (2022), Dacia Bigster 3 stars (2024). Ratings from different years aren't directly comparable, as the tests get tougher.
- No MOT reliability comparison yet: the Dacia Bigster is too new for MOT records (cars first take an MOT at three years old).
- The Dacia Bigster is the cheapest to fuel: comparing petrol versions, about £249 a year less than the Kia Sportage at 7,500 miles a year.
- Watch the brakes on a Kia Sportage: it fails on them 1.7 times as often as the average car.
| Figure | Kia SportageMk5 NQ5 (2021–), 5-door SUV | Dacia 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) |
| Body | 5-door SUV | 5-door SUV |
| Seats | 5 | 5 |
| BootSeats up / folded | 591 litres / 1,780 | 677 litres / 1,937 (best) |
| Length | 4,540mm | 4,570mm |
| WidthWithout mirrors | 1,865mm | 1,813mm |
| Height | 1,645mm | 1,712mm |
| Performance | ||
| Power | from 150 PS | 140–158 PS |
| 0–62mph | 7.5–9.7 sec (best) | 9.7–9.8 sec |
| Safety | ||
| Euro NCAP ratingTests get tougher each year | ★★★★★ (2022) | ★★★★★ (2024) |
| Economy and emissions | ||
| Fuel types | Diesel, Hybrid, Petrol, Plug-in hybrid | Hybrid, Petrol |
| Official economyVersions of this generation | 39.8–55.4 mpg | 46.3–61.4 mpg |
| CO2 | 27–163 g/km | 105–137 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 score | 99Average | Too new for MOT data |
| Failed MOT first time (ages 3–20) | 24.3% | – |
| Failed at 3 years old | 15.7% | – |
| Failed at 5 years old | 17.1% | – |
| Failed at 10 years old | 33.0% | – |
| Most common MOT fault | Brake pads (3.6% of tests) | – |
| Fails more than average on | Brakes (1.7×), Steering (1.6×) | – |
| MOT tests analysed | 258,990 | – |
| About the cars | ||
| Type | Family SUV | Family SUV |
| Owners' average miles a year | 8,600 | – |
| On sale | 2021 on | 2025 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.
More comparisons
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.

