The 2005 Lexus IS has 32 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are structure and service brakes. Owners most often flag carbon buildup on intake valves (is 250 with 4gr-fse engine): causes loss of power, rough idle, poor fuel economy, requires periodic cleaning. frequency: very frequent.
Source: NHTSA complaints and recalls filed for 2005 Lexus IS vehicles (US, public record).
Across the 13 IS model years we track, complaint volume runs from 1 (1999) to 426 (2006). With 32 complaints, the 2005 IS sits about the same asthe model's median of 32.
These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.
Mixed sentiment heavily dependent on generation and powertrain. The IS is widely recognized for its strong long-term reliability, comfortable ride, and luxury feel, particularly when compared to German competitors.
Owner insights cover all generations of the IS. See the full IS owner picture and every model year.
Used IS listings typically run $48,233–$55,018 across 2025 to 2026 model years.
Compare every IS year side by side to see how 2005 ranks against the rest.