median; 33.7–37.4 across 16 declared configurations
DAF XF 450 FTG, truck (2019) and MAN TGS 24.420 6x2/2 side by side
Specification
DAF XF 450 FTG, truck (2019)
MAN TGS 24.420 6x2/2
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
6×2Declared
6×2Declared
Registered new
2019Registeredcentral 90% of records
2019Registeredcentral 90% of records
Engine power
330 kWDeclared
309 kWDeclared
Engine displacement
10.8 litresDeclared
12.4 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Gross vehicle weight
27,000 kgDeclared
23,000 kgDeclared
Declared fuel, long haul
32.5 l/100 km Declaredmedian; 32–33.3 l/100 km across 27 declared configurations
37 l/100 km Declaredmedian; 33.7–37.4 l/100 km across 16 declared configurations
CO₂ per tonne-km
44 g Declaredmedian; 43.4–45.2 g
50.1 g Declaredmedian; 45.7–50.7 g
Fuel and CO₂: long haul at 19.3 t, 2019 declarations.
What the numbers actually say
The DAF XF 450 FTG, truck (2019) declared 4.5 l/100 km less (13.8%) on the long haul at 19.3 t, 2019 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 5,400 litres a year, or £7,560. A gap this size is outside the 10% tolerance of declared figures.
