Comparison · 6×4 lorry · long haul at 19.3 t
Mercedes-Benz Arocs, 390 kW, 6x4 rigid lorry vs Scania R 540 B6x4, lorry (2020–2023)
Mercedes-Benz Arocs, 390 kW, 6x4 rigid lorry
2021–2023 · 390 kW
42.5l/100 km
median; 35.3–49.2 across 23 declared configurations
Lower declared fuel
Scania R 540 B6x4, lorry (2020–2023)
2020–2023 · 397 kW
36.5l/100 km
median; 34.1–41.3 across 32 declared configurations
What the numbers actually say
The Scania R 540 B6x4, lorry (2020–2023) declared 6 l/100 km less (16.4%) on the long haul at 19.3 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 7,200 litres a year, or £10,080. A gap this size is outside the 10% tolerance of declared figures.
Fuel over a year
120,000 km · assumed priceMercedes-Benz Arocs, 390 kW, 6x4 rigid lorry51,000 litres
£71,400 at the assumed price
Scania R 540 B6x4, lorry (2020–2023)43,800 litres
£61,320 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.