median; 28.5–36.1 across 9 declared configurations
DAF CF 450 FTP, tractor unit (2019–2022) and DAF XD 450 FTG side by side
Specification
DAF CF 450 FTP, tractor unit (2019–2022)
DAF XD 450 FTG
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
6×2Declared
6×2Declared
Registered new
2019–2022Registeredcentral 90% of records
2022–2024Registeredcentral 90% of records
Engine power
330 kWDeclared
330 kWDeclared
Engine displacement
10.8 litresDeclared
10.8 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI C, EURO VI D, EURO VI ERegistered
EURO VI ERegistered
Gross vehicle weight
23,400–23,900 kgRegisteredmedian 23,900 kg, across 7 type-approval versions
27,000–28,000 kgRegisteredmedian 27,000 kg, across 8 type-approval versions and 3 records without one
Kerb weight
7,576–7,941 kgRegisteredmedian 7,686 kg, over 36 registrations
8,036–8,695 kgRegisteredmedian 8,369 kg, over 25 registrations
Wheelbase
3,850–4,050 mmRegisteredmedian 3,850 mm, over 36 registrations
3,950–4,150 mmRegisteredmedian 3,950 mm, over 25 registrations
Overall length
6,200–6,410 mmRegisteredmedian 6,210 mm, over 36 registrations
6,400–6,670 mmRegisteredmedian 6,470 mm, over 25 registrations
Overall height
Not recorded
3,630–3,840 mmRegisteredmedian 3,680 mm, over 7 registrations
Declared fuel, long haul
35.6 l/100 km Declaredmedian; across 1 declared configuration
29.1 l/100 km Declaredmedian; 28.5–36.1 l/100 km across 9 declared configurations
CO₂ per tonne-km
48.2 g Declaredmedian
39.51 g Declaredmedian; 38.66–49 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The DAF XD 450 FTG declared 6.5 l/100 km less (22.3%) 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 7,800 litres a year, or £10,920. A gap this size is outside the 10% tolerance of declared figures.
