Seat Leon2021

Known issues

• DPF (Diesel Particulate Filter) blockages, especially in stop-start urban driving or with infrequent motorway use
• Fuel injector carbon deposits and occasional rough idle on cold starts
• Occasional clutch judder on manual gearboxes during low-speed hill starts
• DSG dual-clutch automatic gearbox shudder during slow city traffic (rare but reported on early units)
• Water ingress into tailgate area causing corrosion on hinge components
• Infotainment system occasional software glitches requiring dealer reset

Good for

• Real-world fuel economy: 45–52 mpg on mixed driving with regular motorway use
• Tax-efficient powertrain with low CO₂ emissions (100–115 g/km depending on spec)
• Spacious, practical interior with solid build quality and comfortable driving position
• Low servicing costs compared to petrol turbo; no timing belt risk on diesel unit