median; 32.3–33.2 across 3 declared configurations
DAF CF 450 FTG, truck (2019–2020) and DAF XF 450 FAS side by side
Specification
DAF CF 450 FTG, truck (2019–2020)
DAF XF 450 FAS
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
6×2Declared
6×2Declared
Registered new
2019–2020Registeredcentral 90% of records
2018–2024Registeredcentral 90% of records
Engine power
330 kWDeclared
330 kWDeclared
Engine displacement
10.8 litresDeclared
10.8 litresDeclared
Gearbox
automated, manualDeclared
automated, manualDeclared
Emission class
Not recorded
EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight
27,000–28,000 kgDeclaredmedian 27,000 kg, across 39 declared configurations
27,000–29,000 kgRegisteredmedian 27,000 kg, over 18 registrations
Kerb weight
Not recorded
11,777–19,254 kgRegisteredmedian 12,235 kg, over 18 registrations
Wheelbase
Not recorded
6,000–6,700 mmRegisteredmedian 6,200 mm, over 18 registrations
Overall length
Not recorded
8,730–10,000 mmRegisteredmedian 9,130 mm, over 18 registrations
Overall height
Not recorded
3,600–4,000 mmRegisteredmedian 3,670 mm, over 6 registrations
Declared fuel, long haul
36.7 l/100 km Declaredmedian; across 1 declared configuration
32.4 l/100 km Declaredmedian; 32.3–33.2 l/100 km across 3 declared configurations
CO₂ per tonne-km
49.8 g Declaredmedian
43.87 g Declaredmedian; 43.85–45 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The DAF XF 450 FAS declared 4.3 l/100 km less (13.2%) 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 5,160 litres a year, or £7,224. A gap this size is outside the 10% tolerance of declared figures.
