This engine keeps fuel consumption tax lower than conventionally fuelled cars . Average fuel consumption of up to 150 mpg and CO2 emissions are 77g / km . It has a top speed of 131 mph , will accelerate to 62 mph in 45 seconds . It will be launched at next month 's New York Motor Show .
This model keeps company car tax lower than conventionally fuelled cars . Average fuel consumption of up to 85 mpg and CO2 emissions are 77g/km . It has a top speed of 131 mph , will sprint to 62mph in 6.8 seconds . It will be launched at next month 's New York Motor Show .