Vehicle evaluation is performed according to the relevant national standards in two ways: Complete audit and Functional audit, and the aspect and functional defects of the vehicle is recorded in 9 separate codes, which are: suspension and steering; Engine and powertrain; brake system; electrical equipment; Interior and exterior fittings; The body; paint; Abnormal noise during vehicle movement and water penetration. Finally, the quality of vehicles is graded based on the acquired negative score of the two audits, as well as qualitative diminishing indicators at the qualitative levels of one to five-star, and the monthly evaluation results are sent to the relevant authorities and Automobile companies.
Currently, Iran Engineering Inspection Company (iei) is involved in car evaluation with Iran Khodro Automobile Group, Saipa Automobile Group and Bahman Group