Comparison · 6×4 tractor unit · long haul at 19.3 t

MAN TGS 33.510 6x4, tractor unit (2021–2023) vs Volvo FMX, 375 kW, 6x4 tractor unit

MAN TGS 33.510 6x4, tractor unit (2021–2023)

2021–2023 · 375 kW
38.1l/100 km
median; 37.5–42.8 across 8 declared configurations

Volvo FMX, 375 kW, 6x4 tractor unit

2021–2023 · 375 kW
39.6l/100 km
median; 37.9–42.9 across 4 declared configurations
MAN TGS 33.510 6x4, tractor unit (2021–2023) and Volvo FMX, 375 kW, 6x4 tractor unit side by side
SpecificationMAN TGS 33.510 6x4, tractor unit (2021–2023)Volvo FMX, 375 kW, 6x4 tractor unit
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×4Declared6×4Declared
Registered new2021–2023Registeredcentral 90% of records2021–2023Registeredcentral 90% of records
Engine power375 kWDeclared375 kWDeclared
Engine displacement12.4 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Gross vehicle weight26,000–33,000 kgDeclaredmedian 33,000 kg, across 30 declared configurations29,000–36,000 kgDeclaredmedian 32,000 kg, across 18 declared configurations
Declared fuel, long haul38.1 l/100 km Declaredmedian; 37.5–42.8 l/100 km across 8 declared configurations39.6 l/100 km Declaredmedian; 37.9–42.9 l/100 km across 4 declared configurations
CO₂ per tonne-km51.72 g Declaredmedian; 50.84–58.07 g53.72 g Declaredmedian; 51.44–58.2 g

Fuel and CO₂: long haul at 19.3 t, 2022 declarations.

What the numbers actually say

There is 1.5 l/100 km between these two (3.9%). 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 1,800 litres a year (£2,520). The declared figures for one of them alone span 5.3 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 price
MAN TGS 33.510 6x4, tractor unit (2021–2023)45,720 litres
£64,008 at the assumed price
Volvo FMX, 375 kW, 6x4 tractor unit47,520 litres
£66,528 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.