median; 35.3–49.2 across 23 declared configurations
DAF CF 530 FAT and Mercedes-Benz Arocs, 390 kW, 6x4 rigid truck side by side
Specification
DAF CF 530 FAT
Mercedes-Benz Arocs, 390 kW, 6x4 rigid truck
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
6×4Declared
6×4Declared
Registered new
2020–2022Registeredcentral 90% of records
2021–2023Registeredcentral 90% of records
Engine power
390 kWDeclared
390 kWDeclared
Engine displacement
12.9 litresDeclared
12.8 litresDeclared
Gearbox
automated, manualDeclared
automatedDeclared
Gross vehicle weight
26,500–34,000 kgDeclaredmedian 33,000 kg, across 28 declared configurations
26,000–35,800 kgDeclaredmedian 28,000 kg, across 79 declared configurations
Declared fuel, long haul
37 l/100 km Declaredmedian; 37–40.7 l/100 km across 2 declared configurations
42.5 l/100 km Declaredmedian; 35.3–49.2 l/100 km across 23 declared configurations
CO₂ per tonne-km
50.16 g Declaredmedian; 50.16–55.2 g
57.67 g Declaredmedian; 47.92–66.7 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The DAF CF 530 FAT declared 5.5 l/100 km less (14.8%) 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 6,600 litres a year, or £9,240. A gap this size is outside the 10% tolerance of declared figures.
