Comparison · 4×2 truck · long haul at 14 t

MAN TGS 18.360 4x2, 9 L, rigid truck (2019–2021) vs Mercedes-Benz Arocs, 265 kW, 4x2 rigid truck

Generated illustration, not a photograph: MAN TGS 18.360 4x2, 9 L, rigid truck (2019–2021), a 4×2 rigid truck

MAN TGS 18.360 4x2, 9 L, rigid truck (2019–2021)

2019–2021 · 265 kW
32.2l/100 km
median; 30.3–36.8 across 70 declared configurations

Mercedes-Benz Arocs, 265 kW, 4x2 rigid truck

2020–2023 · 265 kW
32.7l/100 km
median; 31–38.7 across 16 declared configurations
MAN TGS 18.360 4x2, 9 L, rigid truck (2019–2021) and Mercedes-Benz Arocs, 265 kW, 4x2 rigid truck side by side
SpecificationMAN TGS 18.360 4x2, 9 L, rigid truck (2019–2021)Mercedes-Benz Arocs, 265 kW, 4x2 rigid truck
Vehicle formTruck (BA)RegisteredTruck (BA)Registered
Axle configuration4×2Declared4×2Declared
Registered new2019–2021Registeredcentral 90% of records2020–2023Registeredcentral 90% of records
Engine power265 kWDeclared265 kWDeclared
Engine displacement9 litresDeclared10.7 litresDeclared
Gearboxautomated, manualDeclaredautomated, manualDeclared
Gross vehicle weight18,000–21,000 kgDeclaredmedian 19,500 kg, across 138 declared configurations18,000–20,500 kgDeclaredmedian 19,000 kg, across 52 declared configurations
Declared fuel, long haul32.2 l/100 km Declaredmedian; 30.3–36.8 l/100 km across 70 declared configurations32.7 l/100 km Declaredmedian; 31–38.7 l/100 km across 16 declared configurations
CO₂ per tonne-km60.1 g Declaredmedian; 56.5–68.7 g61.11 g Declaredmedian; 57.86–72.27 g

Fuel and CO₂: long haul at 14 t, 2020 declarations.

What the numbers actually say

There is 0.5 l/100 km between these two (1.5%). 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 600 litres a year (£840). 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 TGS 18.360 4x2, 9 L, rigid truck (2019–2021)38,640 litres
£54,096 at the assumed price
Mercedes-Benz Arocs, 265 kW, 4x2 rigid truck39,240 litres
£54,936 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.