The MLB-underpinned Sportback enjoys the same advantages already showcased by the current A4, in that it is marginally longer and wider than the car it replaces and significantly lighter.
Without the full range of downsized engines, the A5 can’t quite claim to have shed the same 120kg its saloon sibling managed, but the “as much as” 85kg quoted by Audi helps the model tested to achieve a respectable 1535kg kerb weight.
The weight loss can be attributed not only to the platform’s mix of aluminium and high-strength steel, but also the kind of far-reaching effort that results in the through-load seat frame being made of magnesium and the carpets being ‘weight-optimised’.
Such attention to detail is admirable and of benefit to both efficiency and performance.
The performance-orientated 249bhp 2.0 TFSI doesn’t share the clever Miller cycle timing of the 188bhp version that is currently available in the A5 coupé and A4 estate and saloon here in the UK, but it is nevertheless armed with Audi’s valve lift system and all the other bells and whistles required to deliver 273lb ft from 1600rpm while emitting just 144g/km of CO2.