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

Iveco X-Way, 309 kW, 6x4 rigid truck vs Volvo FMX, 315 kW, 6x4 rigid truck

Generated illustration, not a photograph: Iveco X-Way, 309 kW, 6x4 rigid truck, a 6×4 rigid truck

Iveco X-Way, 309 kW, 6x4 rigid truck

2020–2023 · 309 kW
44.7l/100 km
median; 38.9–47.2 across 21 declared configurations
Lower declared fuel

Volvo FMX, 315 kW, 6x4 rigid truck

2021–2023 · 315 kW
39.6l/100 km
median; 36.3–42.3 across 15 declared configurations
Iveco X-Way, 309 kW, 6x4 rigid truck and Volvo FMX, 315 kW, 6x4 rigid truck side by side
SpecificationIveco X-Way, 309 kW, 6x4 rigid truckVolvo FMX, 315 kW, 6x4 rigid truck
Vehicle formTruck (BA)RegisteredTruck (BA)Registered
Axle configuration6×4Declared6×4Declared
Registered new2020–2023Registeredcentral 90% of records2021–2023Registeredcentral 90% of records
Engine power309 kWDeclared315 kWDeclared
Engine displacement11.1 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Gross vehicle weight27,000–30,000 kgDeclaredmedian 28,500 kg, across 82 declared configurations29,000–36,000 kgDeclaredmedian 32,000 kg, across 43 declared configurations
Declared fuel, long haul44.7 l/100 km Declaredmedian; 38.9–47.2 l/100 km across 21 declared configurations39.6 l/100 km Declaredmedian; 36.3–42.3 l/100 km across 15 declared configurations
CO₂ per tonne-km60.59 g Declaredmedian; 52.67–64 g53.7 g Declaredmedian; 49.16–57.3 g

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

What the numbers actually say

The Volvo FMX, 315 kW, 6x4 rigid truck declared 5.1 l/100 km less (12.8%) 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 6,120 litres a year, or £8,568. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
Iveco X-Way, 309 kW, 6x4 rigid truck53,640 litres
£75,096 at the assumed price
Volvo FMX, 315 kW, 6x4 rigid truck47,520 litres
£66,528 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.