So, it turns out that the official mpg and CO2 figures for the Audi, which were originally supplied with the car when it arrived three months ago, weren’t quite accurate.

When we first took ownership of the car, the paperwork provided with the delivery said the official fuel figure was 67.3mpg and the accompanying CO2 output was 110g/km. However, having suspected an admin error, we now know that those figures should have been 62.8mpg and 116g/km.

This is a bitter-sweet discovery. Bitter, because it means the benefit-in-kind tax band jumps from 20% to 21% and the monthly tax payments for a 40% earner rise by £11 to £226 per month, but sweet because it means I’m actually a lot closer to the official fuel figure than I thought.

While my overall average hasn’t shifted much over my first 4000 miles and stands at a smidge under 50mpg, on any kind of motorway journey I’m now seeing figures just short of 60mpg, and on some occasions above the official figure.

This is the first time with any long-term test car I’ve seen figures that are that close to the official reading, for which Audi should be given high praise.

Audi has also stated I should expect the economy to improve as the odometer reading increases. So here’s hoping that things get even better over the next three months of ownership.