The first-generation Citroën C4 Cactus (Phase 1) is an atypical crossover that marked a stylistic departure for the chevron brand. Based on the PF1 platform (that of the Peugeot 208 I and Citroën C3, not the classic C4), it stands out for its weight reduction philosophy (under 1,000 kg for base versions), its sleek design integrating the famous Airbumps (polyurethane side protectors), and a minimalist cabin where almost all controls are grouped on a touchscreen. While this approach allowed for very low fuel consumption and typically Citroën suspension comfort, it also imposed compromises: pop-out rear windows, a single-piece rear bench (until 2015), and light soundproofing. In terms of reliability, this generation is unfortunately hit by the two biggest mechanical scandals of the PSA group
The first-generation Citroën C4 Cactus is an endearing vehicle, economical to run, and very comfortable. However, it is undermined by the mechanical flaws of its PSA parts bin. If you are looking for a diesel, avoid the 1.6 BlueHDi 100 unless the AdBlue tank has been replaced very recently with supporting invoices. The absolute best choice is the 1.6 e-HDi 92, preferably with a manual gearbox: it is a robust Euro 5 engine, without AdBlue, which offers ridiculously low fuel consumption and excellent longevity if routine maintenance is respected. The PureTech petrol versions are to be strictly avoided due to the constant risk of engine failure linked to the wet belt.