1970 Mazda Cosmo Sport Series II L10B / L10B-10900 Chassis Information

Coupe
Chassis Num: L10B-10900
Engine Num: 10A-2062
Sold for $110,000 at 2015 Bonhams.
The Mazda Company was founded in the 1920s but it was not until 1960 that they began production of passenger cars. Only four years later the Japanese firm exhibited its first rotary-engined prototype, having acquired the rights to produce NSU's Wankel-designed engines. The world's first dual-rotor rotary engine production car, the Mazda Cosmo L10A, was officially launched on May 30th of 1967. Mazda felt the Cosmo was a worthy vehicle to showcase the revolutionary Felix Wankel-designed dual rotor passenger-car engine. These were hand-built sports car which helped propel Mazda to the world's automotive stage. The 982cc twin-rotor engine offered 110 horsepower and gave the two-seater coupe a top speed of 185km/h. In July 1968 a more powerful and faster (128bhp, 193km/h) L10B version on a longer wheelbase was introduced. By the end of its six-year production run, just 1,519 examples were built.

The Mazda Cosmo was a comfortable grand touring car. Wanting to prove the car's performance and reliability, the factory entered two cars in the 1968 Marathon de la Route, an 84-hour test of endurance held at Germany's famed Nürburgring circuit. The Cosmos ran near the top of the field during the entire race, with one retiring in the 82nd hour, the other going on to finish 4th overall behind two works-entered Porsche 911s and a works Lancia Fulvia 1.3 HF.

Of the 1,519 examples produced, 1,176 of those were the Series II L10B version. This particular example is a Series II Cosmo that was first registered in the Hiroshima Prefecture, where Mazda is based, in 1970. The Cosmos were primarily home market cars and thus, all were produced in right-hand drive configuration. Only six examples were sent to the United States when new.

This example is finished in white (the most popular color), over black vinyl with cloth inserts. It has had several owners in Japan. It has received some mechanical refurbishment in 2011, including a restoration of its Zenith carburetor, new spark plugs, a cleaning of the gas tank, new front headlight and rear taillight lens frames, a new battery, and a thorough exterior and engine detailing.

This car left Japan for the first time in its existence to be brought to Bonham's 2015 Scottsdale, Az. sale. When the gavel fell, the car had been sold to a new owner for the sum of $110,000 including buyer's premium.
By Daniel Vaughan | Feb 2015

Chassis# L10B-10900

2015 Bonhams : The Scottsdale Auction
Estimated Value:$140,000-$180,000 
Sale Price$110,000

Analysis

Chassis number L10B-10900 Auction Sales History
2015$110,000

2017 1
2016 2
2015 1

YearAvg. SaleHigh Sale# of Sales
2017$44,000$44,0001
2016$118,559$154,6182
2015$110,000$110,0001

Recent Sales

(Data based on Model Year 1970 sales)
1970 Mazda Cosmo 110S
Chassis#: L10A -10512
Sold for $44,000
  2017 The Finest : Boca Raton
 
1970 Mazda Cosmo Sport 110S Coupé
Chassis#: L10B-10769
Sold for $154,618
  2016 Bonhams : Les Grandes Marques du Monde au Grand Palais
 
1970 Mazda Cosmo Sport Series II
Chassis#: L10B-10897
Sold for $82,500
  2016 RM Sothebys : Arizona
 
1970 Mazda Cosmo Sport Series II L10B Coupe
Chassis#: L10B-10900
Sold for $110,000
  2015 Bonhams : The Scottsdale Auction
    

No Sale

1970 Mazda Cosmo Sport Series II L10B's that have appeared at auction but did not sell.
VehicleChassisEventHigh BidEst. LowEst. High
1970 Mazda Cosmo Sport 110S CoupéL10B-107692015 Bonhams : The Zoute Sale $80,000$100,000
1970 Mazda Cosmo SportL10B-107322015 RM Sotheby's London Auction $130,000$160,000

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