Comparison · 4×2 truck · long haul at 14 t
Mercedes-Benz Arocs, 200 kW, 4x2 rigid truck vs Scania G 280 B4x2

Mercedes-Benz Arocs, 200 kW, 4x2 rigid truck
2017–2023 · 200 kW
31.9l/100 km
median; 31.6–33.4 across 5 declared configurations

What the numbers actually say
There is 2.3 l/100 km between these two (7.7%). 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 2,760 litres a year (£3,864).
Fuel over a year
120,000 km · assumed priceMercedes-Benz Arocs, 200 kW, 4x2 rigid truck38,280 litres
£53,592 at the assumed price
Scania G 280 B4x235,520 litres
£49,728 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.