AllTruckData
Comparison · 6×4 lorry · long haul at 19.3 t

Mercedes-Benz Arocs, 330 kW, 6x4 rigid lorry vs Volvo FMX, 323 kW, 6x4 rigid lorry

Mercedes-Benz Arocs, 330 kW, 6x4 rigid lorry

2021–2023 · 330 kW
42.2l/100 km
median; 38.9–44.1 across 10 declared configurations
Lower declared fuel

Volvo FMX, 323 kW, 6x4 rigid lorry

2021–2023 · 323 kW
36.7l/100 km
median; 35.1–43.1 across 12 declared configurations
Mercedes-Benz Arocs, 330 kW, 6x4 rigid lorry and Volvo FMX, 323 kW, 6x4 rigid lorry side by side
SpecificationMercedes-Benz Arocs, 330 kW, 6x4 rigid lorryVolvo FMX, 323 kW, 6x4 rigid lorry
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration6×4Declared6×4Declared
Registered new2021–2023Registeredcentral 90% of records2021–2023Registeredcentral 90% of records
Engine power330 kWDeclared323 kWDeclared
Engine displacement12.8 litresDeclared10.8 litresDeclared
GearboxautomatedDeclaredautomated, automaticDeclared
Gross vehicle weight26,000–35,000 kgDeclaredmedian 26,000 kg, across 47 declared configurations28,500–32,000 kgDeclaredmedian 31,000 kg, across 34 declared configurations
Declared fuel, long haul42.2 l/100 km Declaredmedian; 38.9–44.1 l/100 km across 10 declared configurations36.7 l/100 km Declaredmedian; 35.1–43.1 l/100 km across 12 declared configurations
CO₂ per tonne-km57.2 g Declaredmedian; 52.8–59.8 g49.74 g Declaredmedian; 47.65–58.4 g

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

What the numbers actually say

The Volvo FMX, 323 kW, 6x4 rigid lorry declared 5.5 l/100 km less (14.9%) 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 6,600 litres a year, or £9,240. A gap this size is outside the 10% tolerance of declared figures.

Arocs, 330 kW, 6x4 rigid lorry full specificationFMX, 323 kW, 6x4 rigid lorry full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
Mercedes-Benz Arocs, 330 kW, 6x4 rigid lorry50,640 litres
£70,896 at the assumed price
Volvo FMX, 323 kW, 6x4 rigid lorry44,040 litres
£61,656 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.