Comparison · 6×4 tractor unit · long haul at 19.3 t
MAN TGX 33.580 6x4, tractor unit (2020–2023) vs Mercedes-Benz Arocs, 425 kW, 6x4 tractor unit
MAN TGX 33.580 6x4, tractor unit (2020–2023)
2020–2023 · 427 kW
38.6l/100 km
median; 35.6–46.8 across 42 declared configurations
Mercedes-Benz Arocs, 425 kW, 6x4 tractor unit
2015–2023 · 425 kW
41.7l/100 km
median; 38.5–44.8 across 21 declared configurations
What the numbers actually say
There is 3.1 l/100 km between these two (8%). 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 3,720 litres a year (£5,208). The declared figures for one of them alone span 11.2 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 priceMAN TGX 33.580 6x4, tractor unit (2020–2023)46,320 litres
£64,848 at the assumed price
Mercedes-Benz Arocs, 425 kW, 6x4 tractor unit50,040 litres
£70,056 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.