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

DAF XG 430 FA vs Volvo FM, 315 kW, 4x2 rigid lorry

DAF XG 430 FA

2022–2026 · 315 kW
29.3l/100 km
median; 28.4–32.4 across 5 declared configurations

Volvo FM, 315 kW, 4x2 rigid lorry

2019–2023 · 315 kW
31.7l/100 km
median; 27.7–44.1 across 47 declared configurations
DAF XG 430 FA and Volvo FM, 315 kW, 4x2 rigid lorry side by side
SpecificationDAF XG 430 FAVolvo FM, 315 kW, 4x2 rigid lorry
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration4×2Declared4×2Declared
Registered new2022–2026Registeredcentral 90% of records2019–2023Registeredcentral 90% of records
Engine power315 kWDeclared315 kWDeclared
Engine displacement12.9 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomated, automaticDeclared
Emission classEURO VI ERegisteredNot recorded
Gross vehicle weight19,500–20,500 kgRegisteredmedian 20,500 kg, over 12 registrations18,600–23,000 kgDeclaredmedian 21,000 kg, across 277 declared configurations
Kerb weight9,008–15,053 kgRegisteredmedian 9,450 kg, over 12 registrationsNot recorded
Wheelbase5,400–6,900 mmRegisteredmedian 5,700 mm, over 12 registrationsNot recorded
Overall length8,250–12,280 mmRegisteredmedian 10,200 mm, over 12 registrationsNot recorded
Overall height3,900–4,000 mmRegisteredmedian 4,000 mm, over 9 registrationsNot recorded
Declared fuel, long haul29.3 l/100 km Declaredmedian; 28.4–32.4 l/100 km across 5 declared configurations31.7 l/100 km Declaredmedian; 27.7–44.1 l/100 km across 47 declared configurations
CO₂ per tonne-km54.8 g Declaredmedian; 53.14–60.5 g59.25 g Declaredmedian; 51.73–82.42 g

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

What the numbers actually say

There is 2.4 l/100 km between these two (8.1%). That is inside the 10% tolerance of declared figures, so on fuel alone neither is the better choice: at 120,000 km a year and an assumed £1.40 a litre the gap would be about 2,880 litres a year (£4,032). The declared figures for one of them alone span 16.4 l/100 km across its configurations, so the specification ordered matters more than the choice between these two.

Fuel over a year

120,000 km · assumed price
DAF XG 430 FA35,160 litres
£49,224 at the assumed price
Volvo FM, 315 kW, 4x2 rigid lorry38,040 litres
£53,256 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.