AllTruckData
Comparison · 6×4 tractor unit · long haul at 19.3 t

Mercedes-Benz Arocs, 390 kW, 6x4 tractor unit vs Scania R 540 A6x4

Mercedes-Benz Arocs, 390 kW, 6x4 tractor unit

2018–2023 · 390 kW
40.1l/100 km
median; 35.5–45.2 across 30 declared configurations
Lower declared fuel

Scania R 540 A6x4

2020–2022 · 397 kW
33.8l/100 km
median; 30.7–38.4 across 19 declared configurations
Mercedes-Benz Arocs, 390 kW, 6x4 tractor unit and Scania R 540 A6x4 side by side
SpecificationMercedes-Benz Arocs, 390 kW, 6x4 tractor unitScania R 540 A6x4
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×4Declared6×4Declared
Registered new2018–2023Registeredcentral 90% of records2020–2022Registeredcentral 90% of records
Engine power390 kWDeclared397 kWDeclared
Engine displacement12.8 litresDeclared12.7 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Emission classEURO VIRegisteredEURO VI, EURO VI ERegistered
Gross vehicle weight33,000 kgRegistered28,000–29,000 kgRegisteredmedian 28,000 kg, over 2 registrations
Kerb weight10,287–10,351 kgRegisteredmedian 10,340 kg, over 9 registrations9,735–9,915 kgRegisteredmedian 9,735 kg, over 2 registrations
Wheelbase4,800 mmRegistered4,500–4,700 mmRegisteredmedian 4,500 mm, over 2 registrations
Overall length7,060 mmRegistered6,740–6,910 mmRegisteredmedian 6,740 mm, over 2 registrations
Declared fuel, long haul40.1 l/100 km Declaredmedian; 35.5–45.2 l/100 km across 30 declared configurations33.8 l/100 km Declaredmedian; 30.7–38.4 l/100 km across 19 declared configurations
CO₂ per tonne-km54.32 g Declaredmedian; 48.18–61.22 g45.85 g Declaredmedian; 41.67–52.02 g

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

What the numbers actually say

The Scania R 540 A6x4 declared 6.3 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 7,560 litres a year, or £10,584. A gap this size is outside the 10% tolerance of declared figures.

Arocs, 390 kW, 6x4 tractor unit full specificationR 540 A6x4 full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
Mercedes-Benz Arocs, 390 kW, 6x4 tractor unit48,120 litres
£67,368 at the assumed price
Scania R 540 A6x440,560 litres
£56,784 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.