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

Mercedes-Benz Arocs, 315 kW, 6x4 rigid lorry vs Scania G 420 B6x4

Mercedes-Benz Arocs, 315 kW, 6x4 rigid lorry

2021–2023 · 315 kW
41.4l/100 km
median; 37.3–46.6 across 31 declared configurations
Lower declared fuel

Scania G 420 B6x4

2023–2026 · 309 kW
34.9l/100 km
median; 32.1–34.9 across 3 declared configurations
Mercedes-Benz Arocs, 315 kW, 6x4 rigid lorry and Scania G 420 B6x4 side by side
SpecificationMercedes-Benz Arocs, 315 kW, 6x4 rigid lorryScania G 420 B6x4
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration6×4Declared6×4Declared
Registered new2021–2023Registeredcentral 90% of records2023–2026Registeredcentral 90% of records
Engine power315 kWDeclared309 kWDeclared
Engine displacement10.7 litresDeclared12.7 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classNot recordedEURO VI ERegistered
Gross vehicle weight26,000–35,800 kgDeclaredmedian 26,000 kg, across 83 declared configurations29,000–30,000 kgRegisteredmedian 29,000 kg, over 2 registrations
Kerb weightNot recorded26,700–26,867 kgRegisteredmedian 26,700 kg, over 2 registrations
WheelbaseNot recorded5,900 mmRegistered
Overall lengthNot recorded10,430–10,660 mmRegisteredmedian 10,430 mm, over 2 registrations
Overall heightNot recorded3,850–3,930 mmRegisteredmedian 3,850 mm, over 2 registrations
Declared fuel, long haul41.4 l/100 km Declaredmedian; 37.3–46.6 l/100 km across 31 declared configurations34.9 l/100 km Declaredmedian; 32.1–34.9 l/100 km across 3 declared configurations
CO₂ per tonne-km56.1 g Declaredmedian; 50.57–63.2 g47.26 g Declaredmedian; 43.57–47.26 g

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

What the numbers actually say

The Scania G 420 B6x4 declared 6.5 l/100 km less (18.6%) 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 7,800 litres a year, or £10,920. A gap this size is outside the 10% tolerance of declared figures.

Arocs, 315 kW, 6x4 rigid lorry full specificationG 420 B6x4 full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
Mercedes-Benz Arocs, 315 kW, 6x4 rigid lorry49,680 litres
£69,552 at the assumed price
Scania G 420 B6x441,880 litres
£58,632 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.