Comparison · 6×4 tractor unit · long haul at 19.3 t
MAN TGS 33.470 6x4, tractor unit (2021–2023) vs Mercedes-Benz Arocs, 350 kW, 6x4 tractor unit
MAN TGS 33.470 6x4, tractor unit (2021–2023)
2021–2023 · 346 kW
38.1l/100 km
median; 38.1–38.8 across 4 declared configurations
Mercedes-Benz Arocs, 350 kW, 6x4 tractor unit
2015–2023 · 350 kW
40.6l/100 km
median; 38.8–40.7 across 4 declared configurations
What the numbers actually say
There is 2.5 l/100 km between these two (6.5%). 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 3,000 litres a year (£4,200).
Fuel over a year
120,000 km · assumed priceMAN TGS 33.470 6x4, tractor unit (2021–2023)45,720 litres
£64,008 at the assumed price
Mercedes-Benz Arocs, 350 kW, 6x4 tractor unit48,720 litres
£68,208 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.