Comparison · 8×4 lorry · construction at 12.9 t
Mercedes-Benz Arocs, 390 kW, 8x4 rigid lorry vs Scania R 530 B8x4*4
Mercedes-Benz Arocs, 390 kW, 8x4 rigid lorry
2018–2024 · 390 kW
45.5l/100 km
median; 42.5–47.7 across 51 declared configurations
Scania R 530 B8x4*4
2021–2023 · 390 kW
42.9l/100 km
median; 40.7–44.6 across 76 declared configurations
What the numbers actually say
There is 2.6 l/100 km between these two (6%). 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 3,120 litres a year (£4,368). 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 priceMercedes-Benz Arocs, 390 kW, 8x4 rigid lorry54,600 litres
£76,440 at the assumed price
Scania R 530 B8x4*451,480 litres
£72,072 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.