Comparison · 6×4 lorry · long haul at 19.3 t

Iveco X-Way, 265 kW, 6x4 rigid lorry vs Volvo FM, 251 kW, 6x4 rigid lorry

Iveco X-Way, 265 kW, 6x4 rigid lorry

2020–2023 · 265 kW
45.3l/100 km
median; 45.3–48 across 2 declared configurations
Lower declared fuel

Volvo FM, 251 kW, 6x4 rigid lorry

2021–2022 · 251 kW
39.4l/100 km
median; 37.6–42.2 across 4 declared configurations
Iveco X-Way, 265 kW, 6x4 rigid lorry and Volvo FM, 251 kW, 6x4 rigid lorry side by side
SpecificationIveco X-Way, 265 kW, 6x4 rigid lorryVolvo FM, 251 kW, 6x4 rigid lorry
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration6×4Declared6×4Declared
Registered new2020–2023Registeredcentral 90% of records2021–2022Registeredcentral 90% of records
Engine power265 kWDeclared251 kWDeclared
Engine displacement8.7 litresDeclared10.8 litresDeclared
Gearboxautomated, automatic, manualDeclaredautomatedDeclared
Gross vehicle weight28,000–30,000 kgDeclaredmedian 28,500 kg, across 24 declared configurations29,000–35,000 kgDeclaredmedian 30,000 kg, across 12 declared configurations
Declared fuel, long haul45.3 l/100 km Declaredmedian; 45.3–48 l/100 km across 2 declared configurations39.4 l/100 km Declaredmedian; 37.6–42.2 l/100 km across 4 declared configurations
CO₂ per tonne-km61.4 g Declaredmedian; 61.4–65 g53.4 g Declaredmedian; 51–57.2 g

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

What the numbers actually say

The Volvo FM, 251 kW, 6x4 rigid lorry declared 5.9 l/100 km less (14.9%) 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 7,080 litres a year, or £9,912. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
Iveco X-Way, 265 kW, 6x4 rigid lorry54,360 litres
£76,104 at the assumed price
Volvo FM, 251 kW, 6x4 rigid lorry47,280 litres
£66,192 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.