median; 42.3–46.7 across 18 declared configurations
DAF XD 450 FAW and Mercedes-Benz Arocs, 330 kW, 8x4 rigid truck side by side
Specification
DAF XD 450 FAW
Mercedes-Benz Arocs, 330 kW, 8x4 rigid truck
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
8×4Declared
8×4Declared
Registered new
2023–2026Registeredcentral 90% of records
2014–2024Registeredcentral 90% of records
Engine power
330 kWDeclared
330 kWDeclared
Engine displacement
10.8 litresDeclared
12.8 litresDeclared
Gearbox
automatedDeclared
automated, manualDeclared
Emission class
EURO VI ERegistered
EURO VI A, EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight
43,000–44,000 kgRegisteredmedian 44,000 kg, over 16 registrations
34,500–44,000 kgRegisteredmedian 37,000 kg, over 68 registrations
Kerb weight
14,150–22,615 kgRegisteredmedian 18,121 kg, over 16 registrations
10,020–38,940 kgRegisteredmedian 19,170 kg, over 68 registrations
Wheelbase
6,160–7,660 mmRegisteredmedian 6,660 mm, over 16 registrations
5,600–7,500 mmRegisteredmedian 6,600 mm, over 68 registrations
Overall length
9,200–10,900 mmRegisteredmedian 9,640 mm, over 15 registrations
8,250–11,950 mmRegisteredmedian 9,480 mm, over 68 registrations
Overall height
3,100–3,930 mmRegisteredmedian 3,700 mm, over 16 registrations
3,630–4,000 mmRegisteredmedian 3,820 mm, over 29 registrations
Declared fuel, construction
39.1 l/100 km Declaredmedian; across 1 declared configuration
44.1 l/100 km Declaredmedian; 42.3–46.7 l/100 km across 18 declared configurations
CO₂ per tonne-km
79.38 g Declaredmedian
89.47 g Declaredmedian; 85.73–94.8 g
Fuel and CO₂: construction at 12.9 t, 2022 declarations.
What the numbers actually say
The DAF XD 450 FAW declared 5 l/100 km less (12.7%) on the construction at 12.9 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.
