BidATrailer
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HOW IT WORKS

BidATrailer is a free-to-play price prediction game built on top of the world's best collector car auction platforms.

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01

Browse live auctions

We pull listings from Bring a Trailer and Cars & Bids in real time. Every listing shows the current bid, time remaining, and car details.

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02

Lock in your prediction

Pick a car and enter what you think it will sell for. Guessing closes 3 hours before the auction ends โ€” early guesses can earn an early-bird bonus.

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03

Earn credits for accuracy

Once the auction closes, we score your guess against the final hammer price. The closer you are, the more credits you earn: โ‰ค1% off โ†’ 10 credits ยท โ‰ค3% โ†’ 6 credits ยท โ‰ค5% โ†’ 3 credits ยท โ‰ค10% โ†’ 1 credit.

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04

Climb the tiers

Your lifetime accuracy % and total guesses determine your tier: Bronze โ†’ Silver โ†’ Gold โ†’ Platinum โ†’ Legend. Tiers never go down โ€” every good guess is permanent progress.

Scoring at a glance

โ‰ค 1% off

10 cr

โ‰ค 3% off

6 cr

โ‰ค 5% off

3 cr

โ‰ค 10% off

1 cr

Early bird bonus: 3ร— in first 24h ยท 2ร— in first 48h ยท 1.5ร— in first 72h of listing going live.

READY TO TEST YOUR CAR KNOWLEDGE?

BROWSE LIVE AUCTIONS โ†’