median; 34.9–38.4 across 15 declared configurations
Mercedes-Benz Actros, 460 kW, 4x2 tractor unit and Volvo FH, 488 kW, 4x2 tractor unit side by side
Specification
Mercedes-Benz Actros, 460 kW, 4x2 tractor unit
Volvo FH, 488 kW, 4x2 tractor unit
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2020–2023Registeredcentral 90% of records
2019–2020Registeredcentral 90% of records
Engine power
460 kWDeclared
488 kWDeclared
Engine displacement
15.6 litresDeclared
16.1 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI, EURO VI A, EURO VI C, EURO VI D, EURO VI ERegistered
Not recorded
Gross vehicle weight
18,000–20,500 kgRegisteredmedian 19,000 kg, across 12 type-approval versions and 16 records without one
20,500–22,000 kgDeclaredmedian 21,000 kg, across 17 declared configurations
Kerb weight
8,185–8,925 kgRegisteredmedian 8,690 kg, over 29 registrations
Not recorded
Wheelbase
3,550–3,850 mmRegisteredmedian 3,700 mm, over 29 registrations
Not recorded
Overall length
5,750–6,380 mmRegisteredmedian 6,250 mm, over 29 registrations
Not recorded
Overall height
3,800–4,000 mmRegisteredmedian 3,940 mm, over 15 registrations
Not recorded
Declared fuel, long haul
32.7 l/100 km Declaredmedian; 30.8–39.6 l/100 km across 193 declared configurations
37.4 l/100 km Declaredmedian; 34.9–38.4 l/100 km across 15 declared configurations
CO₂ per tonne-km
44.28 g Declaredmedian; 41.77–53.71 g
50.7 g Declaredmedian; 47.3–52.1 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The Mercedes-Benz Actros, 460 kW, 4x2 tractor unit declared 4.7 l/100 km less (14.3%) 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 5,640 litres a year, or £7,896. A gap this size is outside the 10% tolerance of declared figures.
