The Audi A6 TDI has set a Guinness World Record.

As part of the “Record Road Trip,” journalist Andrew Frankel and professional driver Rebecca Jackson took an Audi A6 TDI across 14 different countries on a single tank of fuel. In total, the trip covered 1158.9 miles and both drivers were able to achieve an average fuel economy of 75.9 mpg. The RAC-sponsored team started from Maastricht in the Netherlands before ending in Hungary nearly 28 hours later. The record-setting trip took the pair through Belgium, Luxembourg, France, Switzerland, Liechtenstein, Austria, Germany, Italy, Slovenia, Croatia, Bosnia and Serbia.

Perhaps the attempt could have even been better, as RAC planned the original route to avoid build-up on the roads and congested areas as well as mountains. Unfortunately, the team were into some diversions on the way due to heavy traffic and a closed tunnel, resulting in an unplanned mountain detour. According to trip coordinator Simon Williams, “The last few miles of the record attempt were nail-biting as the A6 Ultra’s computer was reading ‘zero’ miles with 16 miles to go to reach Hungary to make it 14 countries.”

Regardless, the Guinness World Record was set after aiming for an average speed of 50 mph in the Audi A6 TDI Ultra, which is powered by a 2.0-liter TDI engine.

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