2022 Colorado Code
Title 25 - Public Health and Environment
Article 12 - Noise Abatement
§ 25-12-106. Noise Restrictions - Sale of New Vehicles

1. Except for such vehicles as are designed exclusively for racing purposes, no person shall sell or offer for sale a new motor vehicle that produces a maximum noise exceeding the following noise limits, at a distance of fifty feet from the center of the lane of travel, under test procedures established by the department of revenue:
   1. Any motorcycle manufactured on or after July 1, 1971, and before January 1, 1973 .................... 88 db(A);
   2. Any motorcycle manufactured on or after January 1, 1973 .................... 86 db(A);
   3. Any motor vehicle with a gross vehicle weight rating of six thousand pounds or more manufactured on or after July 1, 1971, and before January 1, 1973 .................... 88 db(A);
   4. Any motor vehicle with a gross vehicle weight rating of six thousand pounds or more manufactured on or after January 1, 1973 .................... 86 db(A);
   5. Any other motor vehicle manufactured on or after January 1, 1968, and before January 1, 1973 .................... 86 db(A);
   6. Any other motor vehicle manufactured after January 1, 1973 .................... 84 db(A).
   7. (Deleted by amendment, L. 2008, p. 2102 , § 2, effective July 1, 2010.)

2. Test procedures for compliance with this section shall be established by the department, taking into consideration the test procedures of the society of automotive engineers.
3. [ Editor's note: This version of subsection (3) is effective until March 1, 2022.] Any person selling or offering for sale a motor vehicle or other vehicle in violation of this section is guilty of a misdemeanor and, upon conviction thereof, shall be punished by a fine of not less than fifty dollars nor more than three hundred dollars.

   (3) [ Editor's note: This version of subsection (3) is effective March 1, 2022. ] Any person selling or offering for sale a motor vehicle or other vehicle in violation of this section commits a civil infraction.

Source: L. 71: p. 650, § 1. C.R.S. 1963: § 66-35-6. L. 2008: IP(1) and (1)(g) amended, p. 2102, § 2, effective July 1, 2010. L. 2009: (1)(a) and (1)(b) amended, (HB 09-1026), ch. 281, p. 1259, § 20, effective October 1. L. 2021: (3) amended, (SB 21-271), ch. 462, p. 3238, § 470, effective March 1, 2022.

Editor's note: Section 803(2) of chapter 462 (SB 21-271), Session Laws of Colorado 2021, provides that the act changing this section applies to offenses committed on or after March 1, 2022.