Kia Optima Hybrid sets a new Guinness World Record for fuel economy; Gerdes and Bernius achieve average 64.55 mpg through 48 US states
Green Car Congress
SEPTEMBER 13, 2011
Gerdes and Bernius successfully piloted a factory-standard 2011 Kia Optima Hybrid sedan through a 7,899 mile (12,712 km) route across America and achieved an average fuel consumption of 64.55 mpg US (3.64 l/100 km), beating the car’s official EPA highway fuel consumption figure by 61.37%. The Optima Hybrid used just over 5.5
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