Volkswagen Polo2017

• Excellent fuel economy and low road tax (CO2-based) — diesel efficiency suits longer commutes, though urban stop-start driving invites DPF trouble.
• Market softening noticeably — 12.6% year-on-year decline suggests buyers are moving away from older diesels; negotiate firmly, particularly on higher-mileage examples.
• DPF and EGR issues are endemic to this engine and year; budget €400–€800 for blocked-filter cleaning, and rough idle signals carbon buildup — costlier repair ahead.
• Before purchase, demand a recent diagnostic scan showing DPF status and fault codes; insist on a test drive at idle to catch rough running early.
• Verify service history meticulously — fuel injector deposits and EGR carbon accelerate on irregular maintenance or cheap fuel; skip if stamps are missing.

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