Mercedes-Benz Actros, 390 kW, 6x4 tractor unit and Scania S 540 A6x4 side by side
Specification
Mercedes-Benz Actros, 390 kW, 6x4 tractor unit
Scania S 540 A6x4
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
6×4Declared
6×4Declared
Registered new
2020–2024Registeredcentral 90% of records
2020–2022Registeredcentral 90% of records
Engine power
390 kWDeclared
397 kWDeclared
Engine displacement
12.8 litresDeclared
12.7 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI, EURO VI D, EURO VI ERegistered
EURO VI DRegistered
Gross vehicle weight
28,000–33,000 kgRegisteredmedian 33,000 kg, across 7 type-approval versions and 6 records without one
35,000 kgRegistered
Kerb weight
9,600–10,760 kgRegisteredmedian 10,190 kg, over 27 registrations
10,684 kgRegistered
Wheelbase
4,600–4,900 mmRegisteredmedian 4,600 mm, over 27 registrations
4,900 mmRegistered
Overall length
6,750–7,120 mmRegisteredmedian 6,760 mm, over 27 registrations
7,110 mmRegistered
Overall height
3,620–3,990 mmRegisteredmedian 3,660 mm, over 26 registrations
4,000 mmRegistered
Declared fuel, long haul
37.9 l/100 km Declaredmedian; 34.7–41.6 l/100 km across 27 declared configurations
32.9 l/100 km Declaredmedian; 31–34.1 l/100 km across 4 declared configurations
CO₂ per tonne-km
51.38 g Declaredmedian; 47.09–56.4 g
44.65 g Declaredmedian; 42–46.3 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The Scania S 540 A6x4 declared 5 l/100 km less (15.1%) 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 6,000 litres a year, or £8,400. A gap this size is outside the 10% tolerance of declared figures.
