AllTruckData
Comparison · 4×2 lorry · long haul at 14 t

DAF XD 340 FA vs Volvo FMX, 251 kW, 4x2 rigid lorry

Lower declared fuel

DAF XD 340 FA

2023–2025 · 251 kW
29.5l/100 km
median; 27.3–30.3 across 16 declared configurations

Volvo FMX, 251 kW, 4x2 rigid lorry

2021–2023 · 251 kW
33l/100 km
median; 31.1–36.5 across 12 declared configurations
DAF XD 340 FA and Volvo FMX, 251 kW, 4x2 rigid lorry side by side
SpecificationDAF XD 340 FAVolvo FMX, 251 kW, 4x2 rigid lorry
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration4×2Declared4×2Declared
Registered new2023–2025Registeredcentral 90% of records2021–2023Registeredcentral 90% of records
Engine power251 kWDeclared251 kWDeclared
Engine displacement10.8 litresDeclared10.8 litresDeclared
Gearboxautomated, automaticDeclaredautomated, automaticDeclared
Emission classEURO VI ERegisteredEURO VI ERegistered
Gross vehicle weight19,500–21,500 kgRegisteredmedian 20,500 kg, across 2 type-approval versions and 70 records without one22,000 kgRegistered
Kerb weight8,512–14,148 kgRegisteredmedian 10,740 kg, over 72 registrations10,803 kgRegistered
Wheelbase3,800–6,100 mmRegisteredmedian 5,400 mm, over 72 registrations3,700 mmRegistered
Overall length6,810–11,250 mmRegisteredmedian 9,700 mm, over 72 registrations6,750 mmRegistered
Overall height3,020–4,000 mmRegisteredmedian 3,800 mm, over 69 registrations3,570 mmRegistered
Declared fuel, long haul29.5 l/100 km Declaredmedian; 27.3–30.3 l/100 km across 16 declared configurations33 l/100 km Declaredmedian; 31.1–36.5 l/100 km across 12 declared configurations
CO₂ per tonne-km55.06 g Declaredmedian; 51.06–56.71 g61.8 g Declaredmedian; 58.21–68.2 g

Fuel and CO₂: long haul at 14 t, 2022 declarations.

What the numbers actually say

The DAF XD 340 FA declared 3.5 l/100 km less (11.8%) 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 4,200 litres a year, or £5,880. A gap this size is outside the 10% tolerance of declared figures.

XD 340 FA full specificationFMX, 251 kW, 4x2 rigid lorry full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
DAF XD 340 FA35,400 litres
£49,560 at the assumed price
Volvo FMX, 251 kW, 4x2 rigid lorry39,600 litres
£55,440 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.