median; 33.1–41.5 across 2 declared configurations
DAF XG 530 FTN and Mercedes-Benz Arocs, 390 kW, 6x2 tractor unit side by side
Specification
DAF XG 530 FTN
Mercedes-Benz Arocs, 390 kW, 6x2 tractor unit
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
6×2Declared
6×2Declared
Registered new
2022–2026Registeredcentral 90% of records
2019–2026Registeredcentral 90% of records
Engine power
390 kWDeclared
390 kWDeclared
Engine displacement
12.9 litresDeclared
12.8 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI ERegistered
EURO VI ERegistered
Gross vehicle weight
27,000–29,000 kgRegisteredmedian 27,000 kg, across 4 type-approval versions and 7 records without one
28,000 kgRegistered
Kerb weight
9,002–21,285 kgRegisteredmedian 9,296 kg, over 17 registrations
17,080–17,593 kgRegisteredmedian 17,080 kg, over 2 registrations
Wheelbase
4,500–5,100 mmRegisteredmedian 4,800 mm, over 17 registrations
4,800–5,660 mmRegisteredmedian 4,800 mm, over 2 registrations
Overall length
6,870–8,150 mmRegisteredmedian 7,170 mm, over 17 registrations
7,750–7,850 mmRegisteredmedian 7,750 mm, over 2 registrations
Overall height
3,840–4,000 mmRegisteredmedian 3,900 mm, over 11 registrations
3,800–3,950 mmRegisteredmedian 3,800 mm, over 2 registrations
Declared fuel, long haul
29.5 l/100 km Declaredmedian; 28.3–30.8 l/100 km across 27 declared configurations
33.1 l/100 km Declaredmedian; 33.1–41.5 l/100 km across 2 declared configurations
CO₂ per tonne-km
40.06 g Declaredmedian; 38.42–41.8 g
44.92 g Declaredmedian; 44.92–56.3 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The DAF XG 530 FTN declared 3.6 l/100 km less (12.2%) 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 4,320 litres a year, or £6,048. A gap this size is outside the 10% tolerance of declared figures.
