Citroen C4 Cactus2019

Known issues

• DPF (diesel particulate filter) clogging and regeneration failures, especially on low-mileage or short-journey driving patterns
• EGR valve carbon buildup causing rough idle, increased emissions, and limp mode activation
• Electrical gremlins including intermittent battery drain, infotainment system freezing, and instrument cluster faults
• Fuel injector carbon deposits leading to lack of power and increased fuel consumption
• Door seal degradation causing water ingress into doors, leading to speaker failure and window regulator corrosion
• Clutch wear and judder on manual gearbox variants, particularly in urban driving

Good for

• Comfortable, upright driving position with excellent visibility and easy maneuverability in tight urban spaces
• Fuel economy on longer motorway runs (45–50 MPG achievable on diesel)
• Quirky, characterful design and a spacious, flexible interior with good headroom
• Affordable purchase price and relatively low insurance group for the practicality offered