median; 33.8–34.7 across 3 declared configurations
DAF XD 450 FA and Scania G 450 A4x2, truck (2019–2022) side by side
Specification
DAF XD 450 FA
Scania G 450 A4x2, truck (2019–2022)
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2022–2025Registeredcentral 90% of records
2019–2022Registeredcentral 90% of records
Engine power
330 kWDeclared
331 kWDeclared
Engine displacement
10.8 litresDeclared
12.7 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI ERegistered
Not recorded
Gross vehicle weight
19,000–21,500 kgRegisteredmedian 20,500 kg, over 25 registrations
18,600–21,000 kgDeclaredmedian 19,500 kg, across 14 declared configurations
Kerb weight
8,962–14,297 kgRegisteredmedian 10,795 kg, over 25 registrations
Not recorded
Wheelbase
3,600–5,700 mmRegisteredmedian 4,900 mm, over 25 registrations
Not recorded
Overall length
6,800–10,810 mmRegisteredmedian 8,950 mm, over 25 registrations
Not recorded
Overall height
3,060–4,000 mmRegisteredmedian 3,510 mm, over 24 registrations
Not recorded
Declared fuel, long haul
28.8 l/100 km Declaredmedian; 27.9–36.3 l/100 km across 7 declared configurations
34.4 l/100 km Declaredmedian; 33.8–34.7 l/100 km across 3 declared configurations
CO₂ per tonne-km
53.76 g Declaredmedian; 52.11–67.9 g
46.7 g Declaredmedian; 45.8–47 g
Fuel and CO₂: long haul at 14 t, 2022 declarations.
What the numbers actually say
The DAF XD 450 FA declared 5.6 l/100 km less (19.4%) 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 6,720 litres a year, or £9,408. A gap this size is outside the 10% tolerance of declared figures.
