Model: Euro base 6spd Manual
Mods that could impact consumption: Boot-full of car shampoo, 2 waxes, paint cleaner, polish, microfibre cloth, 3 litres of water, vacuum cleaner, box of old car washing accessories.
Kms: 4300km
Highway kms: about 10% at 80km/h
Average Consumption over life of car: 9.9

I hit redline maybe 4 times a week.