Comparison · 6×2 tractor unit · long haul at 19.3 t
DAF XG 530 FTP vs Scania R 530 A6x2*4

What the numbers actually say
There is 0.9 l/100 km between these two (3%). That is inside the 10% tolerance of declared figures, so on fuel alone neither is the better choice: at 120,000 km a year and an assumed £1.40 a litre the gap would be about 1,080 litres a year (£1,512). The declared figures for one of them alone span 3.4 l/100 km across its configurations, so the specification ordered matters more than the choice between these two.
Fuel over a year
120,000 km · assumed priceDAF XG 530 FTP35,280 litres
£49,392 at the assumed price
Scania R 530 A6x2*436,360 litres
£50,904 at the assumed price
At 120,000 km a year and an assumed £1.40 a litre; the price is an assumption, not one we track.