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

Iveco X-Way, 353 kW, 6x4 rigid truck vs Mercedes-Benz Arocs, 350 kW, 6x4 rigid truck

Generated illustration, not a photograph: Iveco X-Way, 353 kW, 6x4 rigid truck, a 6×4 rigid truck

Iveco X-Way, 353 kW, 6x4 rigid truck

2021–2023 · 353 kW
46.9l/100 km
median; 36.8–50.2 across 57 declared configurations
Lower declared fuel

Mercedes-Benz Arocs, 350 kW, 6x4 rigid truck

2021–2023 · 350 kW
41.8l/100 km
median; 37.3–47 across 20 declared configurations
Iveco X-Way, 353 kW, 6x4 rigid truck and Mercedes-Benz Arocs, 350 kW, 6x4 rigid truck side by side
SpecificationIveco X-Way, 353 kW, 6x4 rigid truckMercedes-Benz Arocs, 350 kW, 6x4 rigid truck
Vehicle formTruck (BA)RegisteredTruck (BA)Registered
Axle configuration6×4Declared6×4Declared
Registered new2021–2023Registeredcentral 90% of records2021–2023Registeredcentral 90% of records
Engine power353 kWDeclared350 kWDeclared
Engine displacement11.1 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Gross vehicle weight28,000–30,000 kgDeclaredmedian 28,500 kg, across 193 declared configurations26,000–33,000 kgDeclaredmedian 28,000 kg, across 56 declared configurations
Declared fuel, long haul46.9 l/100 km Declaredmedian; 36.8–50.2 l/100 km across 57 declared configurations41.8 l/100 km Declaredmedian; 37.3–47 l/100 km across 20 declared configurations
CO₂ per tonne-km63.53 g Declaredmedian; 49.91–68.13 g56.72 g Declaredmedian; 50.55–63.7 g

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

What the numbers actually say

The Mercedes-Benz Arocs, 350 kW, 6x4 rigid truck declared 5.1 l/100 km less (12.2%) 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, 353 kW, 6x4 rigid truck56,280 litres
£78,792 at the assumed price
Mercedes-Benz Arocs, 350 kW, 6x4 rigid truck50,160 litres
£70,224 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.