median; 28.3–33.7 across 28 declared configurations
DAF XD 450 FT and MAN TGS 18.440 4x2, 12.4 L, tractor unit (2014–2025) side by side
Specification
DAF XD 450 FT
MAN TGS 18.440 4x2, 12.4 L, tractor unit (2014–2025)
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2022–2025Registeredcentral 90% of records
2014–2025Registeredcentral 90% of records
Engine power
330 kWDeclared
324 kWDeclared
Engine displacement
10.8 litresDeclared
12.4 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI ERegistered
EURO 6, EURO VI A, EURO VI B, EURO VI ERegistered
Gross vehicle weight
19,000–20,500 kgRegisteredmedian 20,500 kg, across 29 type-approval versions and 39 records without one
18,000–21,000 kgRegisteredmedian 20,500 kg, across 15 type-approval versions and 10 records without one
Kerb weight
6,785–8,354 kgRegisteredmedian 7,361 kg, over 406 registrations
6,738–10,015 kgRegisteredmedian 7,422 kg, over 63 registrations
Wheelbase
3,600–4,550 mmRegisteredmedian 3,800 mm, over 406 registrations
3,580–3,900 mmRegisteredmedian 3,600 mm, over 63 registrations
Overall length
5,880–6,400 mmRegisteredmedian 6,080 mm, over 406 registrations
5,780–6,280 mmRegisteredmedian 5,980 mm, over 63 registrations
Overall height
2,900–4,000 mmRegisteredmedian 3,650 mm, over 131 registrations
3,150–4,000 mmRegisteredmedian 3,840 mm, over 49 registrations
Declared fuel, long haul
28.4 l/100 km Declaredmedian; 25.3–32.3 l/100 km across 147 declared configurations
31.3 l/100 km Declaredmedian; 28.3–33.7 l/100 km across 28 declared configurations
CO₂ per tonne-km
38.5 g Declaredmedian; 34.34–43.82 g
42.42 g Declaredmedian; 38.43–45.71 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The DAF XD 450 FT declared 2.9 l/100 km less (10.2%) 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 3,480 litres a year, or £4,872. A gap this size is outside the 10% tolerance of declared figures.
