17. Peugeot 208 BlueHDi (2015)
The Peugeot 208 BlueHDi made headlines by achieving up to 94 mpg, setting a new benchmark for non-hybrid vehicles.
Its advanced diesel engine technology allowed for exceptionally low emissions while maximizing fuel range.
The 208 BlueHDi proved that with the right engineering, traditional powertrains could still deliver astonishing efficiency figures and meet modern environmental standards.
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