Shop smarter.
With the right data at the right time.
COS Pro gives you exclusive insights into every vehicle—before you bid.
For dealers who want to buy faster, more securely, and at a lower cost.
39€/month
Cancelable monthly. Active immediately.
An Overview of the Benefits
Five Benefits of Membership
Exclusive
We show the seller's minimum price. This saves you valuable time when searching and ensures you get the best deals.
approx. 5€ per report
FREE
Get complete insight into maintenance, repairs, and inspections. Transparency builds trust with every purchase.
Identify mechanical problems before purchasing with the complete error code history.
€29 per vehicle
FREE
Enjoy 5 additional business days for issuing claims. More time for thorough inspections on your lot.
Minimum Prices at a Glance
See the seller's reserve price right in the auction. No more guesswork—you bid exactly when it's worth it.
View minimum prices at any time
Recognize good offers immediately
Save time when searching for a vehicle
Already 164 bids
Ends today at 1:45 p.m.
Min ask €30,000
highest bidder
26.600 €
VAT deductible
Digital service book
BMW 320d • 2019
11.2025
85,535 km
brake fluid change
air filter replacement
11.2024
77,050 km
Engine oil change including oil filter
Interior air filter replacement
09.2022
60,323 km
Engine oil change including oil filter
brake fluid change
Vehicle Service History
Complete maintenance and repair data directly from the OEM database. Cannot be tampered with.
Complete documentation of all service work
Cannot be tampered with — directly from the manufacturer
Service Due Dates at a Glance
Otherwise, about 5€ per report
FREE
OBD-2 error code access
The vehicle's complete diagnostic history — identify mechanical issues before they become problems.
Complete List of Diagnostic Trouble Codes
Better assess the mechanical condition of a vehicle
Identify technical issues early on
OBD-2 error codes
Camshaft bank 1, intake: target/actual deviation too large
KW/NW correlation Bank 1 Sensor A: outside tolerance
Misfires detected in multiple cylinders
Extended claim period
14 instead of 9 business days after the auction ends or 8 instead of 3 days after delivery.
€29 per vehicle
FREE
Extended claim period
5 additional business days to inspect the vehicle at your facility. Regular price: €29 per vehicle — included with COS Pro.
Completely free extended complaint period
Up to 5 additional business days for review
More time for thorough inspections
€29 per vehicle
FREE
NEW · Exclusively for COS Pro subscribers
AI Vehicle Analysis.
Evaluates every vehicle in seconds.
Every vehicle comes with a wealth of data: inspection report, engine specifications, service history, and OBD-2 codes. COS Pro retrieves all this data and provides you with a clear assessment—before you place a bid.
Years of data collected Basis repair manuals, OEM service data, and repair shop forums.
Automatic analysis of all available vehicle data for each listing.
Health score, strengths, risks — all at a glance.
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Designed for retailers who make regular purchases.
COS Pro is designed for dealers who purchase 10 to 50 vehicles per year and can’t afford to take unnecessary risks. For those who regularly buy vehicles on CarOnSale, the subscription pays for itself with the very first vehicle.
: the ideal profile
39€/
Month
Included in the subscription
exclusive
instead of ~5 € per report
exclusive
instead of 29 € per vehicle
NEW
What is COS Pro?
COS Pro is a monthly subscription for car dealers on CarOnSale. It gives you access to exclusive vehicle data and benefits that help you make better purchasing decisions.
How much does COS Pro cost?
39 € per month. Cancelable monthly; no minimum contract term.
When is a subscription worth it?
Starting with your very first vehicle: The free return period alone saves you €29 per auction. On top of that, you get the service history and OBD-2 report, which would otherwise incur a fee each time you access them.
Can I cancel COS Pro immediately?
Yes. Once you've registered, COS Pro will be active in your account immediately.
Can I cancel COS Pro at any time?
Yes, you can cancel any month—with no notice period or fees.
For which retailers is COS Pro intended?
COS Pro is designed for dealers who regularly purchase vehicles through CarOnSale—particularly those who make 10 to 50 purchases per year.
Does AI make purchasing decisions for me?
No. COS Pro AI provides information and assessments—the decision is always yours. Price or bid recommendations are intentionally excluded.
What is the COS Pro AI Vehicle Analysis?
COS Pro AI reads all available vehicle data—inspection report, engine specifications, service history, OBD-2 codes—and provides a clear assessment: condition score, strengths, risks, and estimated repair costs at a glance. Exclusively for COS Pro subscribers.
Ready to gain a competitive edge?
Get a head start on the information—and make better purchasing decisions starting with your very first vehicle.