2019 KIA Stonic 1.0L Petrol · FL19 ETK

The 2019 Kia Stonic presents a generally sound mechanical picture, though the most recent MOT on 19 May 2026 at 30,480 miles reveals a cluster of rear braking issues that warrant close attention. The tester flagged rear brake pads wearing thin, an offside rear service brake binding, and rear service brake fluctuation. These are not new problems. The same binding fault on the offside rear appeared in the 2021 test at 28,108 miles, meaning this caliper has been intermittently dragging for at least a year. The trend is not worsening dramatically, but it is not resolving either. A binding caliper that persists across consecutive tests suggests the slider pins, piston seal, or hose has a fault that has not been properly rectified. Combined with worn pads and fluctuation, the rear braking system is clearly the weakest area of an otherwise well-kept car. The mileage pattern tells a story of very light use. From first registration in 2019 through to May 2026, the car has covered just 30,480 miles, averaging roughly 4,354 miles per year. That is well below the UK average of around 7,000 to 8,000 miles annually. The annual increments are consistent, with no sudden jumps or suspicious gaps between tests. The 2022 test at 18,946 miles, 2023 at 22,567 miles, 2024 at 25,315 miles, 2025 at 28,108 miles, and 2026 at 30,480 miles show steady, predictable accumulation of roughly 2,500 to 2,800 miles per year. There is no evidence of the car being laid up for extended periods, nor of clocking. The low mileage has likely preserved the drivetrain and bodywork, but it also means the car may have spent time standing, which can cause brake seizure and tyre flat-spotting, both of which align with the defects now appearing. A buyer should focus the in-person inspection on the rear braking system first. The offside rear caliper needs to be removed and its slider pins, piston free-play, and flexible hose inspected. A collapsed internal hose can mimic a sticking caliper and is a common failure on low-mileage cars that sit for long periods. The rear brake discs should be measured for thickness and checked for scoring or lipping caused by the dragging pad. The rear pads are close to the wear indicator and will need replacement imminently. Beyond the brakes, the rear tyres were noted as worn close to the legal limit and worn on the edge in the May 2026 test. Edge wear on the rear of a Kia Stonic, which has a torsion beam rear suspension, can indicate the rear wheel alignment is out of specification, possibly from a minor impact or worn suspension bushes. A four-wheel alignment check is advisable. The body and understructure should be inspected for corrosion, particularly around the rear wheel arches and sills, as low-mileage cars that make short trips are more prone to moisture retention and underbody rust than those used for regular longer journeys.