Comparison · 6×4 tractor unit · long haul at 19.3 t
MAN TGX 33.510 6x4, tractor unit (2020–2023) vs Volvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023)
MAN TGX 33.510 6x4, tractor unit (2020–2023)
2020–2023 · 375 kW
36.9l/100 km
median; 34.6–39.2 across 26 declared configurations
Volvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023)
2020–2023 · 345 kW
36.5l/100 km
median; 36.1–37.5 across 4 declared configurations
What the numbers actually say
There is 0.4 l/100 km between these two (1%). 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 480 litres a year (£672). The declared figures for one of them alone span 4.6 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 33.510 6x4, tractor unit (2020–2023)44,280 litres
£61,992 at the assumed price
Volvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023)43,800 litres
£61,320 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.