median; 29.4–38.8 across 26 declared configurations
Iveco Stralis, 243 kW, 4x2 tractor unit and Mercedes-Benz Actros, 240 kW, 4x2 tractor unit (2014–2021) side by side
Specification
Iveco Stralis, 243 kW, 4x2 tractor unit
Mercedes-Benz Actros, 240 kW, 4x2 tractor unit (2014–2021)
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2019Registeredcentral 90% of records
2014–2021Registeredcentral 90% of records
Engine power
243 kWDeclared
240 kWDeclared
Engine displacement
8.7 litresDeclared
10.7 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
Not recorded
EURO VI, EURO VI A, EURO VI C, EURO VI DRegistered
Gross vehicle weight
20,000 kgDeclared
18,000–19,000 kgRegisteredmedian 19,000 kg, across 18 type-approval versions and 6 records without one
Kerb weight
Not recorded
6,857–7,545 kgRegisteredmedian 7,260 kg, over 73 registrations
Wheelbase
Not recorded
3,700–4,000 mmRegisteredmedian 3,700 mm, over 73 registrations
Overall length
Not recorded
5,920–6,310 mmRegisteredmedian 5,920 mm, over 73 registrations
Overall height
Not recorded
3,480–3,940 mmRegisteredmedian 3,730 mm, over 11 registrations
Declared fuel, long haul
35.8 l/100 km Declaredmedian; 33.7–35.8 l/100 km across 2 declared configurations
31.4 l/100 km Declaredmedian; 29.4–38.8 l/100 km across 26 declared configurations
CO₂ per tonne-km
48.6 g Declaredmedian; 45.8–48.6 g
42.5 g Declaredmedian; 39.9–52.6 g
Fuel and CO₂: long haul at 19.3 t, 2019 declarations.
What the numbers actually say
The Mercedes-Benz Actros, 240 kW, 4x2 tractor unit (2014–2021) declared 4.4 l/100 km less (14%) on the long haul at 19.3 t, 2019 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 5,280 litres a year, or £7,392. A gap this size is outside the 10% tolerance of declared figures.
