median; 28.2–29.6 across 20 declared configurations
DAF CF 320 FA, 4x2 (2018–2023) and DAF XD 300 FA side by side
Specification
DAF CF 320 FA, 4x2 (2018–2023)
DAF XD 300 FA
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2018–2023Registeredcentral 90% of records
2023–2025Registeredcentral 90% of records
Engine power
233 kWDeclared
220 kWDeclared
Engine displacement
6.7 litresDeclared
10.8 litresDeclared
Gearbox
automated, manualDeclared
automated, automaticDeclared
Emission class
EURO 6, EURO VI, EURO VI C, EURO VI D, EURO VI ERegistered
EURO 6, EURO VI ERegistered
Gross vehicle weight
18,900–19,000 kgRegisteredmedian 19,000 kg, over 91 registrations
19,000–20,500 kgRegisteredmedian 20,500 kg, across 1 type-approval version and 156 records without one
Kerb weight
7,100–15,805 kgRegisteredmedian 9,322 kg, over 91 registrations
7,823–14,333 kgRegisteredmedian 10,643 kg, over 157 registrations
Wheelbase
4,000–6,930 mmRegisteredmedian 5,700 mm, over 91 registrations
3,800–6,100 mmRegisteredmedian 5,400 mm, over 157 registrations
Overall length
6,690–11,900 mmRegisteredmedian 9,910 mm, over 89 registrations
6,820–11,560 mmRegisteredmedian 9,810 mm, over 157 registrations
Overall height
3,010–4,000 mmRegisteredmedian 3,840 mm, over 27 registrations
2,960–4,000 mmRegisteredmedian 3,800 mm, over 151 registrations
Declared fuel, long haul
34 l/100 km Declaredmedian; 32–35 l/100 km across 53 declared configurations
29 l/100 km Declaredmedian; 28.2–29.6 l/100 km across 20 declared configurations
CO₂ per tonne-km
63.63 g Declaredmedian; 59.79–65.5 g
54.28 g Declaredmedian; 52.76–55.3 g
Fuel and CO₂: long haul at 14 t, 2022 declarations.
What the numbers actually say
The DAF XD 300 FA declared 5 l/100 km less (17.2%) on the long haul at 14 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.
