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Description
Scores used-car listings on Facebook Marketplace for reliability and known problems. Your car data stays on your device. Buying a used car on Facebook Marketplace is hard for one reason: you can't tell a good listing from a bad one until you've already wasted an hour. Curb Check fixes that. As you scroll Marketplace, it color-codes every vehicle listing — and when you open one, it tells you what a knowledgeable buyer would notice: which engine to avoid, what breaks on that year, and exactly what to ask the seller. Every car you look at is saved to a private dashboard, so you can compare, filter, and track the ones worth pursuing instead of losing them in an endless scroll. Curb Check is built for a specific mission: reliable, mainstream used cars — the Camrys, Accords, and 4Runners that can run 200,000–400,000 miles. It covers 46 vetted models, with more added regularly — full list below and at curbchecker.com. What it does Knows which model years to avoid. A 2013 Kia Sorento has a documented engine defect. A 2005 Honda Pilot can destroy its own transmission. A 2010 Subaru Forester will likely need head gaskets. Curb Check covers 46 popular cars, SUVs, and minivans with researched, year-specific problem data — not generic advice. Sets mileage limits per model, not one blunt number. A Toyota Avalon at 180,000 miles is fine. A turbo hot-hatch at 180,000 miles is not. Curb Check uses each model's real durability to decide what's too many miles — and you choose how conservative to be. Tells you exactly what to ask. Every listing gets diagnostic questions specific to that model and year. Not "is it still available" — questions like "Has the KSDS software update been installed?" (which determines whether a Hyundai's engine warranty is still valid) or "Which engine — the 4-cylinder or the V6?" Flags the listings worth skipping. Stale listings, prices that don't add up, sellers with brand-new accounts, mileage that's implausible for the year. Writes the first message for you. One click copies a clean opener with the right questions already in it. A dashboard that remembers. Every car you scroll is saved to a private dashboard in your browser — filter, sort, mark the ones you're pursuing, and add your own notes. What's covered — and what isn't Curb Check currently covers 46 vetted models. Listings for other vehicles are captured to your dashboard but not scored — so if you're shopping for luxury, sports cars, exotics, heavy trucks, or project cars, this isn't the tool for you (yet). It also won't tell you what a car is worth; it tells you what's likely to break. And it's a desktop Chrome extension — it can't run on phones. What's covered — and what isn't Curb Check covers 46 vetted mainstream models — the popular sedans, SUVs, and minivans from Toyota, Honda, Lexus, Subaru, Mazda, and others known for high-mileage reliability. The complete, always-current model list lives at curbchecker.com. Listings for other vehicles are still captured to your dashboard, just not scored — so if you're shopping for luxury, sports cars, exotics, heavy trucks, or project cars, this isn't the tool for you (yet). It also won't tell you what a car is worth; it tells you what's likely to break. And it's a desktop Chrome extension — it can't run on phones. Privacy Curb Check has no servers. It collects nothing, transmits nothing, and tracks nothing. Everything runs in your browser, and your data never leaves your device. Pricing $29 one-time, with a 7-day free trial. No subscription. Guides, the full model list, and support: curbchecker.com