Difficult
Overview
California is the hardest state in the country for registering an imported European vehicle. The California Air Resources Board (CARB) enforces its own emissions standards, separate from and stricter than the federal EPA.
Key Requirements
- CARB emissions certification — mandatory for any vehicle built in 1976 or later, regardless of the federal 25-year exemption. Expect to spend $8,000–$15,000+ on lab testing, catalytic converter installation and compliance work.
- Pre-1976 vehicles — exempt from smog testing statewide. This is the sweet spot for California buyers of European classics.
- CHP VIN verification — required for all out-of-state and imported vehicles.
- BAR Referee inspection — required after CARB lab work is completed.
Leno’s Law (SB 1392)
Signed into law and effective January 1, 2028, SB 1392 creates a rolling smog check exemption for vehicles 1976–1985. This exempts them from the biennial smog test — but it does not exempt them from the initial CARB certification required when first registering an imported vehicle. The distinction matters: you still pay for CARB certification up front, but you won’t need to re-test every two years.
Notes for European Imports
If your European car is 1975 or older, California is no harder than any other state. If it’s 1976 or newer, budget $8,000–$15,000+ and several months for the CARB process. Many importers register in another state first, though California may still require CARB compliance when you transfer the title in.
Recommendation
Pre-1976 European imports: go for it. 1976 and newer: seriously consider registering in another state, or budget for the full CARB certification process.