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

Iveco S-Way, 309 kW, 4x2 tractor unit vs Mercedes-Benz Arocs, 310 kW, 4x2 tractor unit

Lower declared fuel

Iveco S-Way, 309 kW, 4x2 tractor unit

2020–2023 · 309 kW
31.7l/100 km
median; 29.9–36.1 across 50 declared configurations

Mercedes-Benz Arocs, 310 kW, 4x2 tractor unit

2019–2023 · 310 kW
35.3l/100 km
median; 35.3–36.1 across 5 declared configurations
Iveco S-Way, 309 kW, 4x2 tractor unit and Mercedes-Benz Arocs, 310 kW, 4x2 tractor unit side by side
SpecificationIveco S-Way, 309 kW, 4x2 tractor unitMercedes-Benz Arocs, 310 kW, 4x2 tractor unit
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 power309 kWDeclared310 kWDeclared
Engine displacement11.1 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Emission classNot recordedEURO VI DRegistered
Gross vehicle weight19,000–20,000 kgDeclaredmedian 20,000 kg, across 126 declared configurations18,000 kgRegistered
Kerb weightNot recorded7,529 kgRegistered
WheelbaseNot recorded3,900 mmRegistered
Overall lengthNot recorded6,200 mmRegistered
Declared fuel, long haul31.7 l/100 km Declaredmedian; 29.9–36.1 l/100 km across 50 declared configurations35.3 l/100 km Declaredmedian; 35.3–36.1 l/100 km across 5 declared configurations
CO₂ per tonne-km43.02 g Declaredmedian; 40.51–48.96 g47.81 g Declaredmedian; 47.81–48.93 g

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

What the numbers actually say

The Iveco S-Way, 309 kW, 4x2 tractor unit declared 3.6 l/100 km less (11.3%) 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 4,320 litres a year, or £6,048. A gap this size is outside the 10% tolerance of declared figures.

S-Way, 309 kW, 4x2 tractor unit full specificationArocs, 310 kW, 4x2 tractor unit full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
Iveco S-Way, 309 kW, 4x2 tractor unit38,040 litres
£53,256 at the assumed price
Mercedes-Benz Arocs, 310 kW, 4x2 tractor unit42,360 litres
£59,304 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.