I admit, the car looks bulky for a car with a 1.6L TurboDiesel 4-cylinder that's only giving out 115hp. However, the Citroen Berlingo with this package has 0-60mph clocked in at 13.1 seconds and tops out at 109mph. Sounds slow on paper, but it is faster than a current-gen Smart Fortwo sold in America (0-60 in 14 seconds & top speed at 90mph).
Many cars in GT6 also run 0-60 times in over 13 seconds in stock trim, but I managed to tune some of those slow cars to go from 0-60mph in less than 6 seconds while still achieving much faster top speeds than stock, and corner extremely well (They're no Veyron or Red Bull *insert X-Series model here*, but they are still competitive against many cars in the under 500pp class). There's a chance the same will apply to the Citroen Berlingo.