Comparison · 6×2 lorry · long haul at 19.3 t
Scania R 770 B6x2*4 vs Scania S 770 B6x2
What the numbers actually say
There is 1 l/100 km between these two (2.7%). 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 1,200 litres a year (£1,680). The declared figures for one of them alone span 5.2 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 priceScania R 770 B6x2*444,400 litres
£62,160 at the assumed price
Scania S 770 B6x243,200 litres
£60,480 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.