What mileage did the new Passat TDI achieve?

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A Passat TDI Achieved 77.99 MPG in a US Cross-Country Record Attempt

A Volkswagen Passat TDI has established a new fuel economy benchmark, achieving 77.99 miles per gallon (approximately 3 liters per 100 kilometers) during a transcontinental journey across the United States. This record-setting trip covered 8,122 miles (13,000 km) and traversed all 48 contiguous mainland states, a feat accomplished within 17 days. The performance significantly surpasses previous records held by diesel-powered vehicles, which averaged 67.9 mpg, and hybrid vehicles, which recorded 64.6 mpg.
Fuel Consumption and Vehicle Modifications

The extensive journey required a total of 104.94 gallons (397.2 liters) of fuel for drivers Wayne Gerdes and Bob Winger. The Passat TDI used for this record was largely in its stock configuration, with the primary modification being the installation of special Continental PureContact tires designed for low rolling resistance, a factor known to enhance fuel efficiency.
The Role of the 'Hyper Miler'

Wayne Gerdes, the founder of cleanmpg.com and a renowned 'hyper Miler', spearheaded the effort. 'Hypermilers' are individuals dedicated to maximizing fuel savings through advanced driving techniques and pushing vehicle efficiency to its limits over extended distances. Gerdes himself holds over 100 fuel efficiency world records, including a prior record for circumnavigating the 48 lower US states in a hybrid vehicle.
Guinness World Record Confirmation

The newly established fuel economy record has been officially confirmed by the Guinness Book of Records. This achievement marks a significant milestone, particularly in the context of automotive history, recalling the focus on fuel efficiency that emerged in the US following the 1973 fuel crisis, shifting emphasis from sheer horsepower and top speed to economy.

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What mileage did the new Passat TDI achieve?

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