Comparison · 6×2 tractor unit · long haul at 19.3 t

MAN TGX 28.510 6x2, tractor unit (2020–2023) vs Volvo FM, 375 kW, 6x2 tractor unit (2019–2023)

MAN TGX 28.510 6x2, tractor unit (2020–2023)

2020–2023 · 375 kW
31.7l/100 km
median; 29.6–34.1 across 116 declared configurations

Volvo FM, 375 kW, 6x2 tractor unit (2019–2023)

2019–2023 · 375 kW
32.6l/100 km
median; 29.3–37 across 13 declared configurations
MAN TGX 28.510 6x2, tractor unit (2020–2023) and Volvo FM, 375 kW, 6x2 tractor unit (2019–2023) side by side
SpecificationMAN TGX 28.510 6x2, tractor unit (2020–2023)Volvo FM, 375 kW, 6x2 tractor unit (2019–2023)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2020–2023Registeredcentral 90% of records2019–2023Registeredcentral 90% of records
Engine power375 kWDeclared375 kWDeclared
Engine displacement12.4 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Emission classEURO VI ERegisteredEURO VI, EURO VI A, EURO VI B, EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight28,000 kgRegistered23,100–32,000 kgRegisteredmedian 27,000 kg, across 9 type-approval versions and 5 records without one
Kerb weight9,017 kgRegistered8,047–20,635 kgRegisteredmedian 8,648 kg, over 26 registrations
Wheelbase4,450 mmRegistered3,800–5,070 mmRegisteredmedian 4,100 mm, over 26 registrations
Overall length6,660 mmRegistered6,190–7,750 mmRegisteredmedian 6,510 mm, over 26 registrations
Overall height3,883–3,979 mmRegisteredmedian 3,914 mm, over 11 registrations3,130–4,000 mmRegisteredmedian 3,170 mm, over 7 registrations
Declared fuel, long haul31.7 l/100 km Declaredmedian; 29.6–34.1 l/100 km across 116 declared configurations32.6 l/100 km Declaredmedian; 29.3–37 l/100 km across 13 declared configurations
CO₂ per tonne-km43.02 g Declaredmedian; 40.17–46.2 g44.19 g Declaredmedian; 39.76–50.2 g

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

What the numbers actually say

There is 0.9 l/100 km between these two (2.8%). 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 1,080 litres a year (£1,512). The declared figures for one of them alone span 7.7 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 TGX 28.510 6x2, tractor unit (2020–2023)38,040 litres
£53,256 at the assumed price
Volvo FM, 375 kW, 6x2 tractor unit (2019–2023)39,120 litres
£54,768 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.