Comparison · 4×2 lorry · long haul at 14 t
DAF XF 450 FA vs Volvo FM, 323 kW, 4x2 rigid lorry
Lower declared fuel
Volvo FM, 323 kW, 4x2 rigid lorry
2019–2023 · 323 kW
30.9l/100 km
median; 28.6–42 across 27 declared configurations
What the numbers actually say
The DAF XF 450 FA declared 2.9 l/100 km less (10.3%) 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 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 priceDAF XF 450 FA33,600 litres
£47,040 at the assumed price
Volvo FM, 323 kW, 4x2 rigid lorry37,080 litres
£51,912 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.