Two Broad Arrow catalog announcements in as many days, one of them led by the ex-Pete Sampras BMW Z8, and a late-Wednesday run of results at Mecum Nashville all point to the same question: how much of a collector car’s price is the car, and how much is the paperwork and the name attached to it? This week the answer ranges from nothing at all to roughly double. None of the items below has run on this site yet.
Pete Sampras’s BMW Z8 Tests How Much a Famous Owner Is Worth
On Thursday Broad Arrow announced the headline cars for its second Zoute Concours Auction, set for October 9 in Knokke-Heist, Belgium, alongside the Global Icons: Zoute Online sale running October 5–14. Among them is a 2000 BMW Z8 in black over black that seven-time Wimbledon champion Pete Sampras owned from new until 2015. The US-specification roadster shows 3,933 miles, and Broad Arrow calls it one of 667 Z8s built in that color combination. The estimate is €250,000–€350,000.
Now for the comparison. On September 23, the day before the announcement, a 2000 Z8 from La Jolla, California, sold on Bring a Trailer for $162,500, according to CLASSIC.COM market data. A 2001 car sold on the same platform for $143,000 on September 17. CLASSIC.COM’s benchmark for the model sits at $205,048, and it describes the trend as slightly down. Even the low end of the Sampras estimate asks a bidder to pay well above the benchmark and far above the most recent public result, which is also in dollars while the estimate is in euros.
Why it matters: Z8s were already priced as instant classics, with 5,703 built and many of them stored with low miles. That makes this sale a clean test of celebrity provenance. It isn’t a rare variant or a record-mileage car, and it isn’t an Alpina Roadster V8. If it gets close to its estimate, the premium is for Sampras, not for the BMW. Caveats: the seller’s paperwork from Sampras’s 15 years of ownership, and any service history since 2015, will matter more than the name on the title. Buyers should also factor in import and registration costs for a US-spec car sold in Belgium. For how the rest of the marque is trading, see our best BMW investments guide.
The same sale carries a car whose premium is easier to defend. Broad Arrow says the 2000 BMW M5 was Ferdinand Piëch’s personal test car, fitted with a one-off 473-hp, 5.0-liter W10 engine. It carries the same €250,000–€350,000 estimate as the Sampras Z8. Here the estimate is paying for engineering history, not celebrity. Buyers should still ask the usual prototype questions: whether the car can be registered for road use, and whether parts exist for a unique engine that has no factory support. Broad Arrow’s Zoute sale also includes the MCA Centenaire we examined this week.
Two Gullwings, Two Ideas of What “Best” Means
Broad Arrow has also put two 300 SL Gullwings into its fall sales, and the way the two are pitched is the lesson. At Zoute, a 1955 coupe finished in medium green with plaid inserts is described as matching-numbers and unrestored. It was delivered new through the Swiss importer to its first owner, Mercedes dealer Hans Huwyler, and has documented mileage history back to 1968. Broad Arrow calls it “one of the very best preserved and unrestored examples of the 300 SL anywhere in the world.” The estimate is €1.7–€2.0 million.
At Broad Arrow’s first Audrain Concours Auction in Newport, Rhode Island, on October 2 (catalog announced Wednesday), a 1956 Gullwing in black with blue plaid is also listed as matching-numbers. Its selling point is more than $100,000 of mechanical restoration in 2025 by the Mercedes-Benz Classic Center USA. Its estimate is $1.6–$1.8 million. A matching-numbers black 1957 300 SL Roadster in the same sale is estimated at $1.15–$1.35 million.
Why it matters: The unrestored car carries the higher number, and in a stronger currency. That is how the top of the Gullwing market has worked for a decade: once a car is restored, it can’t be unrestored, so a well-documented survivor sits at the top of the hierarchy. The factory-backed restoration of the Newport car is still a real selling point, because it tells a buyer the car has been gone through properly. Caveats: “unrestored” is a claim that needs an inspection of paint thickness, trim and interior before anyone pays for it. And the Zoute car’s concours class wins, including at the ADAC Nürburgring Classic, show it has been displayed, which isn’t the same as being checked. For another Gullwing with a strong story, see our earlier market brief.
Mecum Nashville, Late Wednesday: The Paperwork Cars Arrive
Our early Nashville report covered results through Wednesday afternoon, when trucks and restomods led the sale. Once the day’s session was complete, a different kind of car was at the top. By Mecum’s online results, the Wednesday leaders included:
1963 Chevrolet Corvette Split-Window Coupe, Lot W278: $198,000
The Ermine White coupe was listed with a matching-numbers L84 fuel-injected 327/360 V-8, a four-speed, knock-off wheels, and 65,394 miles on the odometer. The price matches exactly the $198,000 paid for a split-window coupe at Mecum’s Monterey sale on August 14, and it sits a little above CLASSIC.COM’s $191,198 benchmark for L84 C2 cars.
Why it matters: Two sales at the same number, six weeks apart and in two very different rooms, suggest the fuelie split-window has found a stable price. That’s a healthier signal than a record would be. Caveats: The listing doesn’t say whether the knock-off wheels are the rare factory P48 option or were added later, and the answer affects value. A 65,000-mile car also deserves an inspection of its fuel-injection unit, which is expensive to put right.
1969 Chevrolet Camaro RS Z/28, Lot W176.1: $143,000
This Daytona Yellow Z/28 is listed as Camaro High Performance-certified, with the Rally Sport package, a Muncie four-speed, a 12-bolt Positraction rear, the ZL2 cowl-induction hood, D80 spoilers and 100 miles showing. At $143,000, it sold roughly 39% above CLASSIC.COM’s $102,885 benchmark for first-generation Z/28s.
Why it matters: Chevrolet built about 20,000 Z/28s for 1969, so a strong price here isn’t about rarity. It reflects option content and third-party certification. Caveat: Mecum’s listing doesn’t say the engine is original to the car. That is the first thing a Z/28 buyer should confirm, and the certification paperwork, not the auction description, is where to find it. For the broader picture, see our guide to pre-1973 muscle as an investment.
Further down the list, a SEMA-featured 1970 Dodge Challenger custom brought $123,750. A 1957 Mercury Turnpike Cruiser Pace Car Edition convertible, which Mecum lists as one of 1,265 built, made $75,900, a reminder that production numbers alone don’t make a car expensive. All Mecum figures include buyer’s premium.
The Audrain Catalog Is a Bet on No-Reserve Selling
The structure of Broad Arrow’s Newport sale is a market signal of its own. About 75% of its 65 lots are offered without reserve. The top lot is a 1914 Stutz 4E Bearcat, chassis 2250, estimated at $1.75–$2.0 million, which counts Winthrop Rockefeller and William F. Harrah among its past owners. Two modern lots are worth comparing with recent sales:
2008 Alfa Romeo 8C Competizione (one of 84 US-market coupes, 904 miles, in single ownership since 2011): estimated at $350,000–$425,000. An 8C coupe sold on Bring a Trailer in August for $308,000, and a Competizione brought $368,500 at Mecum in January, according to CLASSIC.COM. The estimate prices in the low miles and single long-term owner, which is reasonable. The top of the range needs a buyer who wants the best example rather than a good one.
2009 Ferrari 430 Scuderia (Bianco Avus, recently serviced by Ferrari of New England): estimated at $500,000–$650,000, above CLASSIC.COM’s $425,353 benchmark. In September, a Houston Scuderia with 18,000 miles failed to sell at a high bid of $610,000. This car’s mileage wasn’t in the announcement, and at these prices it will account for much of the value. Our coverage of Broad Arrow’s Quail sale shows how hard this house can push modern Ferraris.
On the Calendar
RM Sotheby’s holds its Zurich sale on September 26 (see our look at the Miura P400S consigned there). Mecum Nashville’s headline lots, including the 2026 Aston Martin Valhalla and Shelby GT500KR No. 04407, cross the block Saturday. Broad Arrow’s Audrain sale follows on October 2 and Zoute on October 9.
The Bottom Line
This week’s numbers put a price on the story attached to a car. A documented fuelie split-window sold for exactly the same money as its last comparable sale, and the Mecum room paid more for a certified, well-optioned Z/28. Broad Arrow is asking buyers to go further and pay for a famous owner’s name and for an unrestored survivor. Of the two, the survivor premium has more history behind it. Wondering where your own car fits? Start with our valuation guide.
Estimates are the auction houses’ own and typically exclude buyer’s premium. Mecum results include premium and reflect lots marked sold in Mecum’s online results for Wednesday, September 23. Comparable-sale data is from CLASSIC.COM. All photos are illustrative and do not show the specific cars described.
Eve Nowell 
John Lloyd