Comparison · 4×2 tractor unit · long haul at 19.3 t

DAF XF 430 FT (2022–2025) vs Volvo FH, 315 kW, 4x2 tractor unit (2019–2023)

Lower declared fuel

DAF XF 430 FT (2022–2025)

2022–2025 · 315 kW
26.4l/100 km
median; 25.9–34.4 across 132 declared configurations

Volvo FH, 315 kW, 4x2 tractor unit (2019–2023)

2019–2023 · 315 kW
29.3l/100 km
median; 26.3–35.9 across 199 declared configurations
DAF XF 430 FT (2022–2025) and Volvo FH, 315 kW, 4x2 tractor unit (2019–2023) side by side
SpecificationDAF XF 430 FT (2022–2025)Volvo FH, 315 kW, 4x2 tractor unit (2019–2023)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2022–2025Registeredcentral 90% of records2019–2023Registeredcentral 90% of records
Engine power315 kWDeclared315 kWDeclared
Engine displacement12.9 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO VI ERegisteredEURO 6, EURO VI, EURO VI D, EURO VI ERegistered
Gross vehicle weight19,000–20,500 kgRegisteredmedian 20,500 kg, across 17 type-approval versions and 1 record without one18,200–22,000 kgRegisteredmedian 21,000 kg, across 64 type-approval versions and 21 records without one
Kerb weight7,129–8,383 kgRegisteredmedian 7,612 kg, over 196 registrations6,956–8,666 kgRegisteredmedian 7,899 kg, over 479 registrations
Wheelbase3,600–3,800 mmRegisteredmedian 3,800 mm, over 196 registrations3,600–4,000 mmRegisteredmedian 3,800 mm, over 479 registrations
Overall length5,880–6,320 mmRegisteredmedian 6,080 mm, over 196 registrations5,790–6,360 mmRegisteredmedian 5,990 mm, over 479 registrations
Overall height3,690–3,850 mmRegisteredmedian 3,690 mm, over 61 registrations3,460–4,000 mmRegisteredmedian 3,770 mm, over 269 registrations
Declared fuel, long haul26.4 l/100 km Declaredmedian; 25.9–34.4 l/100 km across 132 declared configurations29.3 l/100 km Declaredmedian; 26.3–35.9 l/100 km across 199 declared configurations
CO₂ per tonne-km35.75 g Declaredmedian; 35.16–46.7 g39.76 g Declaredmedian; 35.67–48.7 g

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

What the numbers actually say

The DAF XF 430 FT (2022–2025) declared 2.9 l/100 km less (10.9%) 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.

Fuel over a year

120,000 km · assumed price
DAF XF 430 FT (2022–2025)31,680 litres
£44,352 at the assumed price
Volvo FH, 315 kW, 4x2 tractor unit (2019–2023)35,160 litres
£49,224 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.