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

Iveco Stralis, 419 kW, 4x2 tractor unit vs Mercedes-Benz Actros, 375 kW, 4x2 tractor unit (2020–2021)

Iveco Stralis, 419 kW, 4x2 tractor unit

2019–2020 · 419 kW
33.1l/100 km
median; 31.4–33.8 across 9 declared configurations

Mercedes-Benz Actros, 375 kW, 4x2 tractor unit (2020–2021)

2020–2021 · 375 kW
31.7l/100 km
median; 29.5–40.7 across 1,614 declared configurations
Iveco Stralis, 419 kW, 4x2 tractor unit and Mercedes-Benz Actros, 375 kW, 4x2 tractor unit (2020–2021) side by side
SpecificationIveco Stralis, 419 kW, 4x2 tractor unitMercedes-Benz Actros, 375 kW, 4x2 tractor unit (2020–2021)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2019–2020Registeredcentral 90% of records2020–2021Registeredcentral 90% of records
Engine power419 kWDeclared375 kWDeclared
Engine displacement12.9 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Emission classNot recordedEURO 6, EURO V, EURO VI, EURO VI A, EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight19,000–20,000 kgDeclaredmedian 20,000 kg, across 99 declared configurations18,000–21,500 kgRegisteredmedian 19,000 kg, across 19 type-approval versions and 21 records without one
Kerb weightNot recorded7,693–8,560 kgRegisteredmedian 8,381 kg, over 49 registrations
WheelbaseNot recorded3,700–4,000 mmRegisteredmedian 3,850 mm, over 49 registrations
Overall lengthNot recorded6,000–6,500 mmRegisteredmedian 6,310 mm, over 49 registrations
Overall heightNot recorded3,900–4,000 mmRegisteredmedian 3,910 mm, over 5 registrations
Declared fuel, long haul33.1 l/100 km Declaredmedian; 31.4–33.8 l/100 km across 9 declared configurations31.7 l/100 km Declaredmedian; 29.5–40.7 l/100 km across 1,614 declared configurations
CO₂ per tonne-km44.9 g Declaredmedian; 42.6–45.9 g43 g Declaredmedian; 40.1–55.1 g

Fuel and CO₂: long haul at 19.3 t, 2020 declarations.

What the numbers actually say

There is 1.4 l/100 km between these two (4.4%). That is inside the 10% tolerance of declared figures, so on fuel alone neither is the better choice: at 120,000 km a year and an assumed £1.40 a litre the gap would be about 1,680 litres a year (£2,352). The declared figures for one of them alone span 11.2 l/100 km across its configurations, so the specification ordered matters more than the choice between these two.

Fuel over a year

120,000 km · assumed price
Iveco Stralis, 419 kW, 4x2 tractor unit39,720 litres
£55,608 at the assumed price
Mercedes-Benz Actros, 375 kW, 4x2 tractor unit (2020–2021)38,040 litres
£53,256 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.