AllTruckData
Comparison · 6×2 tractor unit · long haul at 19.3 t

DAF XF 450 FTG, tractor unit (2018–2023) vs Volvo FM, 315 kW, 6x2 tractor unit

Lower declared fuel

DAF XF 450 FTG, tractor unit (2018–2023)

2018–2023 · 330 kW
28.4l/100 km
median; 28–30.7 across 14 declared configurations

Volvo FM, 315 kW, 6x2 tractor unit

2014–2025 · 315 kW
31.3l/100 km
median; 28.7–33.7 across 11 declared configurations
DAF XF 450 FTG, tractor unit (2018–2023) and Volvo FM, 315 kW, 6x2 tractor unit side by side
SpecificationDAF XF 450 FTG, tractor unit (2018–2023)Volvo FM, 315 kW, 6x2 tractor unit
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2018–2023Registeredcentral 90% of records2014–2025Registeredcentral 90% of records
Engine power330 kWDeclared315 kWDeclared
Engine displacement10.8 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO VI C, EURO VI D, EURO VI ERegisteredEURO 6, EURO VI B, EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight26,500–28,000 kgRegisteredmedian 27,000 kg, across 13 type-approval versions and 2 records without one24,000–30,500 kgRegisteredmedian 27,000 kg, across 12 type-approval versions and 2 records without one
Kerb weight8,066–9,214 kgRegisteredmedian 8,656 kg, over 146 registrations8,173–18,105 kgRegisteredmedian 8,548 kg, over 23 registrations
Wheelbase3,950–4,150 mmRegisteredmedian 3,950 mm, over 146 registrations3,900–4,870 mmRegisteredmedian 4,100 mm, over 23 registrations
Overall length6,260–6,670 mmRegisteredmedian 6,310 mm, over 146 registrations6,310–7,600 mmRegisteredmedian 6,510 mm, over 23 registrations
Overall height3,800–3,930 mmRegisteredmedian 3,850 mm, over 6 registrations3,360–3,880 mmRegisteredmedian 3,380 mm, over 6 registrations
Declared fuel, long haul28.4 l/100 km Declaredmedian; 28–30.7 l/100 km across 14 declared configurations31.3 l/100 km Declaredmedian; 28.7–33.7 l/100 km across 11 declared configurations
CO₂ per tonne-km38.47 g Declaredmedian; 37.91–41.69 g42.4 g Declaredmedian; 38.87–45.68 g

Fuel and CO₂: long haul at 19.3 t, 2022 declarations.

What the numbers actually say

The DAF XF 450 FTG, tractor unit (2018–2023) 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.

XF 450 FTG, tractor unit (2018–2023) full specificationFM, 315 kW, 6x2 tractor unit full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
DAF XF 450 FTG, tractor unit (2018–2023)34,080 litres
£47,712 at the assumed price
Volvo FM, 315 kW, 6x2 tractor unit37,560 litres
£52,584 at the assumed price
At 120,000 km a year and an assumed £1.40 a litre; the price is an assumption, not one we track.