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

Iveco Stralis, 338 kW, 4x2 tractor unit, 11.1 L (2019–2020) vs Mercedes-Benz Actros, 330 kW, 4x2 tractor unit (2019–2021)

Iveco Stralis, 338 kW, 4x2 tractor unit, 11.1 L (2019–2020)

2019–2020 · 338 kW
34.3l/100 km
median; 32.8–38.6 across 37 declared configurations

Mercedes-Benz Actros, 330 kW, 4x2 tractor unit (2019–2021)

2019–2021 · 330 kW
31.5l/100 km
median; 29.2–39.8 across 2,140 declared configurations
Iveco Stralis, 338 kW, 4x2 tractor unit, 11.1 L (2019–2020) and Mercedes-Benz Actros, 330 kW, 4x2 tractor unit (2019–2021) side by side
SpecificationIveco Stralis, 338 kW, 4x2 tractor unit, 11.1 L (2019–2020)Mercedes-Benz Actros, 330 kW, 4x2 tractor unit (2019–2021)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2019–2020Registeredcentral 90% of records2019–2021Registeredcentral 90% of records
Engine power338 kWDeclared330 kWDeclared
Engine displacement11.1 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Emission classNot recordedEEV K, EURO 6, EURO V, EURO VI, EURO VI A, EURO VI C, EURO VI DRegistered
Gross vehicle weight19,000–20,000 kgDeclaredmedian 20,000 kg, across 253 declared configurations18,000–22,000 kgRegisteredmedian 19,000 kg, across 222 type-approval versions and 245 records without one
Kerb weightNot recorded7,308–8,832 kgRegisteredmedian 8,052 kg, over 1,210 registrations
WheelbaseNot recorded3,550–4,000 mmRegisteredmedian 3,700 mm, over 1,210 registrations
Overall lengthNot recorded5,600–6,950 mmRegisteredmedian 6,160 mm, over 1,210 registrations
Overall heightNot recorded3,620–4,000 mmRegisteredmedian 3,940 mm, over 287 registrations
Declared fuel, long haul34.3 l/100 km Declaredmedian; 32.8–38.6 l/100 km across 37 declared configurations31.5 l/100 km Declaredmedian; 29.2–39.8 l/100 km across 2,140 declared configurations
CO₂ per tonne-km46.6 g Declaredmedian; 44.5–52.3 g42.7 g Declaredmedian; 39.6–53.9 g

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

What the numbers actually say

There is 2.8 l/100 km between these two (8.8%). 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 3,360 litres a year (£4,704). The declared figures for one of them alone span 10.6 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, 338 kW, 4x2 tractor unit, 11.1 L (2019–2020)41,160 litres
£57,624 at the assumed price
Mercedes-Benz Actros, 330 kW, 4x2 tractor unit (2019–2021)37,800 litres
£52,920 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.