Smog check resources
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Smog Check Tips
8.23% of California initial smog checks did not pass in September 2026 (BAR), including not-ready cars. Read the report, repair, retest, and check for CAP help.
Smog Check Tips
California smog checks averaged $56.77 to $75.26 by station type in September 2026 ($69.66 overall); the state cert is $8.25. Coupons start at $19.75.
Smog Check Tips
7.58% of California on-board computer smog checks did not pass in September 2026, 3.92% on readiness, the largest single cause. How to prep and what to skip.
California DMV
Do out-of-state cars need a smog check in California?
Yes. Most cars need a California smog check to get California plates, even newer ones. What counts, the 20-day deadline and the 7,500-mile rule.
California DMV
Do you need a smog check to sell a car in California?
Yes, in most sales. The seller owes the buyer a smog pass from the last 90 days. In 2026, 2023 and newer gas cars skip it and the buyer pays $8.
Smog Check Tips
Dealer or independent shop: where should you get a smog check?
The smog certificate is the same from any licensed station. A dealer matters mostly for repairs under the emissions warranty. How to choose.
Smog Check Tips
Smog check coupon sites compared: SmogCheckDeals, Groupon and smogtips
Groupon sells vouchers you pay for first. Smogtips and SmogCheckDeals list offers you use at the station. How they differ, including where we fall short.
Smog Check Tips
Smog check coupon vs walk-in price: which is cheaper?
BAR averaged $69.66 in September 2026. The median coupon on SmogCheckDeals was $39.75. What the gap means, and when a coupon does not save you money.