Audi A42021

• Solid mid-range performer: strong torque delivery, composed motorway cruiser, and typically good fuel economy for a 5-year-old diesel—expect 45–50 mpg in mixed driving.
• Priced fairly for the segment; +16% year-on-year reflects broader diesel demand recovery, but watch for outliers above €33k—comparable petrol A4s offer similar specs at lower cost.
• DPF regeneration failures and EGR carbon buildup are common on this generation; fuel injector coking also reported. Budget €1,000+ for DPF cleaning or replacement if light activates.
• Before purchase, ask seller for recent DPF service history and request a cold-start engine check—hesitation or rough idle suggests injector fouling; also confirm NCT status and any outstanding advisories.
• NI import €522 cheaper before VRT; factor in registration costs and potential higher insurance premiums on cross-border buys—savings often erode quickly.

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