median; 42.5–47.7 across 51 declared configurations
DAF XF 530 FAW, truck (from 2021) and Mercedes-Benz Arocs, 390 kW, 8x4 rigid truck side by side
Specification
DAF XF 530 FAW, truck (from 2021)
Mercedes-Benz Arocs, 390 kW, 8x4 rigid truck
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
8×4Declared
8×4Declared
Registered new
2021–2026Registeredcentral 90% of records
2018–2024Registeredcentral 90% of records
Engine power
390 kWDeclared
390 kWDeclared
Engine displacement
12.9 litresDeclared
12.8 litresDeclared
Gearbox
automated, manualDeclared
automated, manualDeclared
Emission class
EURO VI D, EURO VI ERegistered
EURO VI, EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight
43,000–44,000 kgRegisteredmedian 44,000 kg, over 21 registrations
34,000–47,000 kgRegisteredmedian 37,000 kg, across 2 type-approval versions and 57 records without one
Kerb weight
10,761–23,573 kgRegisteredmedian 14,745 kg, over 21 registrations
14,600–28,730 kgRegisteredmedian 24,360 kg, over 59 registrations
Wheelbase
6,160–7,660 mmRegisteredmedian 6,660 mm, over 21 registrations
5,590–7,200 mmRegisteredmedian 6,900 mm, over 59 registrations
Overall length
8,720–11,100 mmRegisteredmedian 9,300 mm, over 21 registrations
8,350–11,100 mmRegisteredmedian 10,700 mm, over 59 registrations
Overall height
3,230–3,980 mmRegisteredmedian 3,500 mm, over 18 registrations
3,600–4,000 mmRegisteredmedian 3,930 mm, over 29 registrations
Declared fuel, construction
41.2 l/100 km Declaredmedian; 40.2–42.2 l/100 km across 11 declared configurations
45.5 l/100 km Declaredmedian; 42.5–47.7 l/100 km across 51 declared configurations
CO₂ per tonne-km
83.5 g Declaredmedian; 81.6–85.7 g
92.19 g Declaredmedian; 86.29–96.85 g
Fuel and CO₂: construction at 12.9 t, 2022 declarations.
What the numbers actually say
The DAF XF 530 FAW, truck (from 2021) declared 4.3 l/100 km less (10.4%) 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 5,160 litres a year, or £7,224. A gap this size is outside the 10% tolerance of declared figures.
