AllTruckData
Comparison · 6×2 lorry · long haul at 19.3 t

Volvo FM, 405 kW, 6x2 rigid lorry vs Volvo FMX, 405 kW, 6x2 rigid lorry

Lower declared fuel

Volvo FM, 405 kW, 6x2 rigid lorry

2019–2023 · 405 kW
34.5l/100 km
median; 31.8–37.9 across 7 declared configurations

Volvo FMX, 405 kW, 6x2 rigid lorry

2021–2023 · 405 kW
38l/100 km
median; 31.3–38.4 across 17 declared configurations
Volvo FM, 405 kW, 6x2 rigid lorry and Volvo FMX, 405 kW, 6x2 rigid lorry side by side
SpecificationVolvo FM, 405 kW, 6x2 rigid lorryVolvo FMX, 405 kW, 6x2 rigid lorry
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration6×2Declared6×2Declared
Registered new2019–2023Registeredcentral 90% of records2021–2023Registeredcentral 90% of records
Engine power405 kWDeclared405 kWDeclared
Engine displacement12.8 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Gross vehicle weight27,000–33,000 kgDeclaredmedian 28,000 kg, across 49 declared configurations27,000–33,000 kgDeclaredmedian 29,000 kg, across 39 declared configurations
Declared fuel, long haul34.5 l/100 km Declaredmedian; 31.8–37.9 l/100 km across 7 declared configurations38 l/100 km Declaredmedian; 31.3–38.4 l/100 km across 17 declared configurations
CO₂ per tonne-km46.82 g Declaredmedian; 43.13–51.3 g51.5 g Declaredmedian; 42.42–52.1 g

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

What the numbers actually say

The Volvo FM, 405 kW, 6x2 rigid lorry declared 3.5 l/100 km less (10.1%) 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 4,200 litres a year, or £5,880. A gap this size is outside the 10% tolerance of declared figures.

FM, 405 kW, 6x2 rigid lorry full specificationFMX, 405 kW, 6x2 rigid lorry full specification

Fuel over a year

120,000 km · assumed price
Volvo FM, 405 kW, 6x2 rigid lorry41,400 litres
£57,960 at the assumed price
Volvo FMX, 405 kW, 6x2 rigid lorry45,600 litres
£63,840 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.