The third-generation Citroën C4 (C4 III) marks a deliberate stylistic break, blending compact sedan, coupé, and SUV codes. Based on the Stellantis group's multi-energy CMP/e-CMP platform (shared with the Peugeot 208/2008), it stands out with exceptional ride comfort thanks to its progressive hydraulic cushion suspensions (Advanced Comfort) and plush seats. However, its career is marred by the presence under its hood of the infamous 1.2 PureTech wet-belt petrol engines, whose reliability reputation has severely declined. The arrival of the micro-hybrid (MHEV) version with a timing chain in late 2023 finally corrects this issue. The C4 III is a very comfortable and atypical car, but it requires a rigorous selection of its engine to avoid financial pitfalls.
The Citroën C4 III is a compact car full of qualities for those seeking absolute comfort. Unfortunately, its record is hampered by the classic 1.2 PureTech engines (100, 130, 155 hp) whose wet-belt design is a financial sword of Damocles. Our advice: Avoid used 100% thermal petrol versions, unless they are heavily discounted and the belt has just been changed with a clear service history. Absolutely prioritize the new 1.2 Hybrid 136 version (with chain) that appeared in late 2023, or turn to the electric ë-C4 version which, despite some early bugs, offers much superior mechanical reliability.
| Oil change | £70 – 130 |
| Timing belt | £700 – 1 300 |
| Clutch | £750 – 1 400 (pour boîte manuelle) |
| Complete brakes | £220 – 480 |
| Estimated annual budget | £550 – 1 100 |
Indicative estimates (independent garage, UK market). Prices vary by region and year.