European law means that WLTP (Worldwide Harmonized Light Vehicles Test Procedure) is the new laboratory test used to measure fuel consumption and CO2 emissions, which replaced the old NEDC (New European Driving Cycle) test procedure in September 2017. By testing vehicles with extra optional equipment and across a greater range of driving profiles, we can give you fuel consumption figures that are a closer representation of real-world driving behaviour than the current fuel consumption test. The whole Vauxhall range now meets the new requirements with full availability of WLTP-certified cars.

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