Lexus IS (XE20)
The XE20 IS was the generation that made Lexus a genuine BMW 3 Series alternative in the UK. The IS 250 petrol is usually a very safe buy, but the IS 220d diesel has a much weaker reputation thanks to emissions and cooling-related trouble.
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Common Faults & Reliability
These are the most common documented problems for the Lexus IS (XE20), sorted by their typical impact and frequency.
IS 220d DPF and EGR Trouble
high severityShort-trip use can clog the diesel particulate filter and EGR system, causing limp mode, warning lights and stacked repair bills on the already less-desirable 220d.
IS 220d Head Gasket and Cooling Trouble
high severityThe 2.2 diesel can also develop more serious cooling-system and head-gasket issues, which is one reason UK buyers generally prefer the V6 petrol.
Rear Brake Caliper and Disc Corrosion
low severityAge and low annual mileage can leave the rear calipers sticky and the discs rusty, even on otherwise very dependable petrol cars.
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Example Lexus IS (XE20) Vehicles
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