median; 33.3–44.1 across 66 declared configurations
Iveco X-Way, 294 kW, 6x2 rigid truck and Mercedes-Benz Arocs, 290 kW, 6x2 rigid truck side by side
Specification
Iveco X-Way, 294 kW, 6x2 rigid truck
Mercedes-Benz Arocs, 290 kW, 6x2 rigid truck
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
6×2Declared
6×2Declared
Registered new
2019–2023Registeredcentral 90% of records
2020–2023Registeredcentral 90% of records
Engine power
294 kWDeclared
290 kWDeclared
Engine displacement
8.7 litresDeclared
10.7 litresDeclared
Gearbox
automated, manualDeclared
automated, manualDeclared
Emission class
Not recorded
EURO VI A, EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight
26,500–28,000 kgDeclaredmedian 27,500 kg, across 123 declared configurations
26,000–29,000 kgRegisteredmedian 28,000 kg, over 15 registrations
Kerb weight
Not recorded
11,715–23,005 kgRegisteredmedian 16,276 kg, over 15 registrations
Wheelbase
Not recorded
4,600–7,350 mmRegisteredmedian 5,950 mm, over 15 registrations
Overall length
Not recorded
7,370–11,630 mmRegisteredmedian 9,550 mm, over 15 registrations
Overall height
Not recorded
3,500–3,820 mmRegisteredmedian 3,700 mm, over 6 registrations
Declared fuel, long haul
40.9 l/100 km Declaredmedian; 35–44.3 l/100 km across 23 declared configurations
36.2 l/100 km Declaredmedian; 33.3–44.1 l/100 km across 66 declared configurations
CO₂ per tonne-km
55.44 g Declaredmedian; 47.48–60.05 g
49.11 g Declaredmedian; 45.09–59.8 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The Mercedes-Benz Arocs, 290 kW, 6x2 rigid truck declared 4.7 l/100 km less (12.9%) 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 5,640 litres a year, or £7,896. A gap this size is outside the 10% tolerance of declared figures.
