median; 27.9–37.1 across 31 declared configurations
Iveco S-Way, 265 kW, 4x2 tractor unit and Mercedes-Benz Actros, 240 kW, 4x2 tractor unit (2021–2025) side by side
Specification
Iveco S-Way, 265 kW, 4x2 tractor unit
Mercedes-Benz Actros, 240 kW, 4x2 tractor unit (2021–2025)
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2020–2023Registeredcentral 90% of records
2021–2025Registeredcentral 90% of records
Engine power
265 kWDeclared
240 kWDeclared
Engine displacement
8.7 litresDeclared
10.7 litresDeclared
Gearbox
automated, manualDeclared
automatedDeclared
Emission class
Not recorded
EURO VI D, EURO VI ERegistered
Gross vehicle weight
19,000–20,000 kgDeclaredmedian 20,000 kg, across 33 declared configurations
18,000–20,500 kgRegisteredmedian 19,000 kg, across 11 type-approval versions and 10 records without one
Kerb weight
Not recorded
6,903–11,102 kgRegisteredmedian 7,149 kg, over 82 registrations
Wheelbase
Not recorded
3,700–4,000 mmRegisteredmedian 3,700 mm, over 82 registrations
Overall length
Not recorded
5,860–6,310 mmRegisteredmedian 6,160 mm, over 82 registrations
Overall height
Not recorded
3,080–3,810 mmRegisteredmedian 3,730 mm, over 81 registrations
Declared fuel, long haul
36.4 l/100 km Declaredmedian; 30.2–37.1 l/100 km across 10 declared configurations
33 l/100 km Declaredmedian; 27.9–37.1 l/100 km across 31 declared configurations
CO₂ per tonne-km
49.34 g Declaredmedian; 40.93–50.3 g
44.77 g Declaredmedian; 37.84–50.3 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The Mercedes-Benz Actros, 240 kW, 4x2 tractor unit (2021–2025) declared 3.4 l/100 km less (10.3%) 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 4,080 litres a year, or £5,712. A gap this size is outside the 10% tolerance of declared figures.
