Comparison · 6×4 tractor unit · long haul at 19.3 t
MAN TGX 26.580 6x4, tractor unit (2020–2023) vs Mercedes-Benz Actros, 425 kW, 6x4 tractor unit
MAN TGX 26.580 6x4, tractor unit (2020–2023)
2020–2023 · 427 kW
38.3l/100 km
median; 35.2–39.7 across 16 declared configurations
Mercedes-Benz Actros, 425 kW, 6x4 tractor unit
2017–2023 · 425 kW
39l/100 km
median; 36.3–42.4 across 26 declared configurations
What the numbers actually say
There is 0.7 l/100 km between these two (1.8%). 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 840 litres a year (£1,176). The declared figures for one of them alone span 6.1 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 26.580 6x4, tractor unit (2020–2023)45,960 litres
£64,344 at the assumed price
Mercedes-Benz Actros, 425 kW, 6x4 tractor unit46,800 litres
£65,520 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.