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

Mercedes-Benz Arocs, 375 kW, 4x2 tractor unit vs Scania G 500 A4x2

Mercedes-Benz Arocs, 375 kW, 4x2 tractor unit

2020–2023 · 375 kW
34.5l/100 km
median; 29.9–40.9 across 47 declared configurations
Lower declared fuel

Scania G 500 A4x2

2019–2023 · 368 kW
29.6l/100 km
median; 25.9–34.6 across 33 declared configurations
Mercedes-Benz Arocs, 375 kW, 4x2 tractor unit and Scania G 500 A4x2 side by side
SpecificationMercedes-Benz Arocs, 375 kW, 4x2 tractor unitScania G 500 A4x2
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2020–2023Registeredcentral 90% of records2019–2023Registeredcentral 90% of records
Engine power375 kWDeclared368 kWDeclared
Engine displacement12.8 litresDeclared12.7 litresDeclared
GearboxautomatedDeclaredautomated, manualDeclared
Emission classNot recordedEURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight18,000–20,500 kgDeclaredmedian 18,000 kg, across 113 declared configurations19,500–22,000 kgRegisteredmedian 20,500 kg, across 7 type-approval versions and 6 records without one
Kerb weightNot recorded7,430–8,760 kgRegisteredmedian 7,775 kg, over 14 registrations
WheelbaseNot recorded3,600–3,770 mmRegisteredmedian 3,750 mm, over 14 registrations
Overall lengthNot recorded5,810–6,120 mmRegisteredmedian 5,950 mm, over 14 registrations
Overall heightNot recorded3,800–4,000 mmRegisteredmedian 3,820 mm, over 8 registrations
Declared fuel, long haul34.5 l/100 km Declaredmedian; 29.9–40.9 l/100 km across 47 declared configurations29.6 l/100 km Declaredmedian; 25.9–34.6 l/100 km across 33 declared configurations
CO₂ per tonne-km46.81 g Declaredmedian; 40.54–55.5 g40.1 g Declaredmedian; 35.1–46.9 g

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

What the numbers actually say

The Scania G 500 A4x2 declared 4.9 l/100 km less (16.5%) 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 5,880 litres a year, or £8,232. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
Mercedes-Benz Arocs, 375 kW, 4x2 tractor unit41,400 litres
£57,960 at the assumed price
Scania G 500 A4x235,520 litres
£49,728 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.