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

Iveco S-Way, 338 kW, 4x2 tractor unit, 11.1 L (2020–2023) vs Mercedes-Benz Arocs, 335 kW, 4x2 tractor unit

Lower declared fuel

Iveco S-Way, 338 kW, 4x2 tractor unit, 11.1 L (2020–2023)

2020–2023 · 338 kW
31.8l/100 km
median; 29.8–37.4 across 416 declared configurations

Mercedes-Benz Arocs, 335 kW, 4x2 tractor unit

2020–2023 · 335 kW
35.6l/100 km
median; 32.7–39.8 across 36 declared configurations
Iveco S-Way, 338 kW, 4x2 tractor unit, 11.1 L (2020–2023) and Mercedes-Benz Arocs, 335 kW, 4x2 tractor unit side by side
SpecificationIveco S-Way, 338 kW, 4x2 tractor unit, 11.1 L (2020–2023)Mercedes-Benz Arocs, 335 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 records2020–2023Registeredcentral 90% of records
Engine power338 kWDeclared335 kWDeclared
Engine displacement11.1 litresDeclared10.7 litresDeclared
Gearboxautomated, manualDeclaredautomated, manualDeclared
Emission classNot recordedEURO VI CRegistered
Gross vehicle weight19,000–20,000 kgDeclaredmedian 20,000 kg, across 1,341 declared configurations18,000 kgRegistered
Kerb weightNot recorded7,777 kgRegistered
WheelbaseNot recorded3,600 mmRegistered
Overall lengthNot recorded6,160 mmRegistered
Declared fuel, long haul31.8 l/100 km Declaredmedian; 29.8–37.4 l/100 km across 416 declared configurations35.6 l/100 km Declaredmedian; 32.7–39.8 l/100 km across 36 declared configurations
CO₂ per tonne-km43.13 g Declaredmedian; 40.36–50.71 g48.31 g Declaredmedian; 44.32–54 g

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

What the numbers actually say

The Iveco S-Way, 338 kW, 4x2 tractor unit, 11.1 L (2020–2023) declared 3.8 l/100 km less (11.9%) 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 4,560 litres a year, or £6,384. A gap this size is outside the 10% tolerance of declared figures.

S-Way, 338 kW, 4x2 tractor unit, 11.1 L (2020–2023) full specificationArocs, 335 kW, 4x2 tractor unit full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
Iveco S-Way, 338 kW, 4x2 tractor unit, 11.1 L (2020–2023)38,160 litres
£53,424 at the assumed price
Mercedes-Benz Arocs, 335 kW, 4x2 tractor unit42,720 litres
£59,808 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.