AllTruckData
Comparison · 4×2 tractor unit · long haul at 19.3 t

MAN TGX 18.540 4x2, 15.3 L, tractor unit (2019–2023) vs Mercedes-Benz Arocs, 390 kW, 4x2 tractor unit

Lower declared fuel

MAN TGX 18.540 4x2, 15.3 L, tractor unit (2019–2023)

2019–2023 · 397 kW
30.7l/100 km
median; 28.9–38.2 across 90 declared configurations

Mercedes-Benz Arocs, 390 kW, 4x2 tractor unit

2020–2023 · 390 kW
36.5l/100 km
median; 30.5–41.1 across 42 declared configurations
MAN TGX 18.540 4x2, 15.3 L, tractor unit (2019–2023) and Mercedes-Benz Arocs, 390 kW, 4x2 tractor unit side by side
SpecificationMAN TGX 18.540 4x2, 15.3 L, tractor unit (2019–2023)Mercedes-Benz Arocs, 390 kW, 4x2 tractor unit
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2019–2023Registeredcentral 90% of records2020–2023Registeredcentral 90% of records
Engine power397 kWDeclared390 kWDeclared
Engine displacement15.3 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO VI C, EURO VI D, EURO VI ERegisteredNot recorded
Gross vehicle weight20,500–21,000 kgRegisteredmedian 21,000 kg, across 5 type-approval versions and 1 record without one18,000–20,500 kgDeclaredmedian 18,000 kg, across 100 declared configurations
Kerb weight7,888–8,814 kgRegisteredmedian 8,143 kg, over 7 registrationsNot recorded
Wheelbase3,600–3,900 mmRegisteredmedian 3,900 mm, over 7 registrationsNot recorded
Overall length5,900–6,280 mmRegisteredmedian 6,280 mm, over 7 registrationsNot recorded
Overall height3,880–4,000 mmRegisteredmedian 3,910 mm, over 6 registrationsNot recorded
Declared fuel, long haul30.7 l/100 km Declaredmedian; 28.9–38.2 l/100 km across 90 declared configurations36.5 l/100 km Declaredmedian; 30.5–41.1 l/100 km across 42 declared configurations
CO₂ per tonne-km41.69 g Declaredmedian; 39.19–51.74 g49.46 g Declaredmedian; 41.31–55.8 g

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

What the numbers actually say

The MAN TGX 18.540 4x2, 15.3 L, tractor unit (2019–2023) declared 5.8 l/100 km less (18.8%) on the long haul at 19.3 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 6,960 litres a year, or £9,744. A gap this size is outside the 10% tolerance of declared figures.

TGX 18.540 4x2, 15.3 L, tractor unit (2019–2023) full specificationArocs, 390 kW, 4x2 tractor unit full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
MAN TGX 18.540 4x2, 15.3 L, tractor unit (2019–2023)36,840 litres
£51,576 at the assumed price
Mercedes-Benz Arocs, 390 kW, 4x2 tractor unit43,800 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.