Comparison · 6×4 truck · long haul at 19.3 t
Mercedes-Benz Arocs, 240 kW, 6x4 rigid truck vs Volvo FE, 240 kW, 6x4 rigid truck

Mercedes-Benz Arocs, 240 kW, 6x4 rigid truck
2017–2022 · 240 kW
39.6l/100 km
median; 39.6–40 across 2 declared configurations
Volvo FE, 240 kW, 6x4 rigid truck
2020–2021 · 240 kW
37.5l/100 km
median; across 1 declared configurations
What the numbers actually say
There is 2.1 l/100 km between these two (5.6%). 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 2,520 litres a year (£3,528).
Fuel over a year
120,000 km · assumed priceMercedes-Benz Arocs, 240 kW, 6x4 rigid truck47,520 litres
£66,528 at the assumed price
Volvo FE, 240 kW, 6x4 rigid truck45,000 litres
£63,000 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.