The Stanley Steamer may have finally been dethroned.

After holding onto its land speed record for 103 years, the homegrown Stanley automobile from the early days of motoring has been overtaken by a late-model import. The British Steam Car team said Tuesday that, earlier in the day, in the two runs required to be considered for the record, the Steam Car averaged 139.843 mph over a measured mile.

Tuesday's achievement still awaits official confirmation from the certifying agency, the Federation Internationale de l'Automobile.

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