Kia Rio (UB)

The third-generation Kia Rio (UB, 2011–2017) marked a significant evolution for the model, offering a far more modern, sophisticated feel than its predecessor, the JB. It is frequently overlooked in the competitive supermini segment, which often makes it a brilliant, undervalued used buy for those prioritizing reliability and practicality. While it is generally a robust and dependable choice, the UB generation is where some of the more familiar Hyundai/Kia group quirks—such as specific steering sensitivities and diesel-related after-treatment issues—began to be reported more regularly in the UK. As with many cars of this era, the Rio UB’s reliability is closely tied to how it was used and maintained. The 1.25L petrol engine is widely considered the safest and most reliable option, especially for urban and suburban drivers, whereas the diesel variants (1.1L and 1.4L CRDi) are highly efficient but can become problematic if they only undertake short city journeys, leading to clogged Diesel Particulate Filters (DPF) and EGR valve faults. Furthermore, owners should be vigilant regarding the steering system; a common fault involves a slight knock or clunk in the steering column, attributed to wear in the electronic power steering (EPS) motor’s flex-coupling. While not a catastrophic issue, it is a persistent annoyance that requires a straightforward but necessary repair. Beyond the powertrain and steering, prospective buyers should focus their attention on the chassis and braking components. UK road conditions often lead to premature wear of the anti-roll bar drop links and lower suspension ball joints, which can result in vague handling and audible clunking over uneven surfaces. Additionally, the Rio UB is known for rear brake issues—calipers can seize, and handbrake mechanisms can become stiff due to road salt and underuse. A thorough inspection of the rear brakes and an MOT history check for consistent maintenance are essential. Ultimately, the Rio UB remains a very competent supermini if you prioritize a model with a full, documented service history, as this has historically been the key to maintaining the remainder of its 7-year warranty.