Off-market dealer auctions
Cars we buy from owners that never hit a public listing. Timed auctions of 4 hours, 8 hours, 24 hours or up to 7 days, with outbid alerts.
For dealers and brokers
Off-market Porsches, before anyone else sees them.
911 Buyers buys Porsches from owners across the US every week. The cars we don't keep for retail go to approved dealers first, in dealer-only auctions or at a Buy It Now price, and they are never listed publicly. Approved dealers also price with the same 911 Tracker sales data we use.
Licensed dealers only. Same free account as 911 Tracker; dealer features turn on after we approve your license.
- Cars tracked by VIN
- 4,203
- Sales on record
- 3,381
- For sale now
- 597
911 Tracker as of Oct 20, 2026. Off-market auction cars are not in these counts; they are only shown to approved dealers.
What dealers get
Inventory nobody else has, and the data to price it.
Buy It Now cars
Some cars are offered at a fixed Buy It Now price. Take it and the car is yours at that price.
Full listing detail
Every car is listed with photos, VIN, miles, factory options and its original MSRP, so you can price it before you bid.
911 Tracker sold data
What every tracked car sold for, price history, mileage charts and what each factory option does to the sale price.
Off-market sales
Sales our team records that never appear on a public site are counted in 911 Tracker too.
VIN decoder and weekly update
Decode any Porsche VIN for build date, paint, options and sticker price, and get the weekly GT market update by email.
Who it is for
Built for people who buy Porsches for a living.
You need an active, state-issued dealer license. Retail buyers looking for one car can use Find my car instead.
Licensed dealers
Independent and franchise stores buying Porsche GT, Turbo and Carrera inventory.
Brokers with a dealer license
Find cars for clients before they are listed, and price them on real sales.
Wholesalers
Buy clean, owner-direct cars with known history instead of auction-lane mystery cars.
How it works
Apply once. Then bid or buy.
Apply
Sign up as a dealer on the Dealer auctions page with your dealership, buyer name, dealer license number and state. Upload your dealer license and W-9.
We check your license
Every license is checked by hand. We email you when you are approved, usually within one business day.
Bid or buy
Approved dealers see live and upcoming cars. Bid until the clock runs out (a bid in the last 2 minutes adds 2 minutes), or take it at Buy It Now.
Questions
Dealer access, answered
Who can get dealer access?
Licensed dealers with an active, state-issued dealer license, including brokers and wholesalers who hold one. Dealer access is for licensed dealers only; retail buyers can use Find my car.
How do I apply?
Create a 911 Buyers account as a dealer on the Dealer auctions page: your dealership, buyer name, phone, email, dealer license number and state. Upload your dealer license and W-9. We check every license by hand.
How long does approval take?
We email you when you are approved, usually within one business day.
Do I need a separate login?
No. It is the same free 911 Buyers account as 911 Tracker and My Garage, and the same login as hbiauto.com. Dealer features turn on once we approve your license.
What cars are in the auctions?
Porsches 911 Buyers buys from owners and does not keep for retail at HBi Auto. They go to approved dealers first, before they are listed anywhere, with photos, VIN, miles, factory options and original MSRP.
How do the auctions work?
Timed auctions of 4 hours, 8 hours, 24 hours or up to 7 days, or Buy It Now. A bid in the last 2 minutes adds 2 minutes. If you are the high bidder when the auction closes and the reserve is met, you buy the car at your bid.
Are bids binding?
Yes. Bids are binding offers to buy, and Buy It Now is binding at the listed price. 911 Buyers confirms every sale by email.
What if the reserve is not met?
The auction ends without a sale. We may contact the high bidder, relist the car, or offer it at Buy It Now.
What market data do I get?
Signed-in members see what every car on 911 Tracker sold for, price history, mileage charts and what each factory option does to the sale price, plus off-market sales our team records. Approved dealers also get the weekly GT market update by email.
How 911 Buyers dealer auctions workDealer-only auctions for off-market Porsches: who can join, timed auctions vs Buy It Now, the 2-minute extension, reserves, binding bids and how sales close.Sourcing Porsche inventory off-marketWhere off-market Porsche inventory comes from, why owner-direct cars are cleaner, and how licensed dealers get first shot at the cars 911 Buyers wholesales.Pricing Porsche trade-ins and appraisals with sold dataHow to appraise a Porsche GT, Turbo or Carrera trade-in from recorded sales and live listings instead of a book value, with the sample-size rules we use.Wholesale vs retail on Porsche GT carsWhen a Porsche GT car belongs on your retail lot and when it should go wholesale: spec, miles, days to sell, holding cost, and how to read the live market.Porsche GT market pulse: recent sales and listings by generationWhat sold in the last 90 days and what is listed now, for every Porsche 911 GT and Turbo generation we track by VIN, with sample sizes and medians.
Selling, not buying?
Wholesale your Porsche or exotic to us.
Firm number within 1 business hour, enclosed pickup anywhere in the US, payoff handled.