median; 32.1–34.9 across 3 declared configurations
Mercedes-Benz Arocs, 310 kW, 6x4 rigid truck and Scania G 420 B6x4 side by side
Specification
Mercedes-Benz Arocs, 310 kW, 6x4 rigid truck
Scania G 420 B6x4
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
6×4Declared
6×4Declared
Registered new
2021–2023Registeredcentral 90% of records
2023–2026Registeredcentral 90% of records
Engine power
310 kWDeclared
309 kWDeclared
Engine displacement
12.8 litresDeclared
12.7 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
Not recorded
EURO VI ERegistered
Gross vehicle weight
26,000–35,000 kgDeclaredmedian 26,000 kg, across 17 declared configurations
29,000–30,000 kgRegisteredmedian 29,000 kg, over 2 registrations
Kerb weight
Not recorded
26,700–26,867 kgRegisteredmedian 26,700 kg, over 2 registrations
Wheelbase
Not recorded
5,900 mmRegistered
Overall length
Not recorded
10,430–10,660 mmRegisteredmedian 10,430 mm, over 2 registrations
Overall height
Not recorded
3,850–3,930 mmRegisteredmedian 3,850 mm, over 2 registrations
Declared fuel, long haul
41.9 l/100 km Declaredmedian; 37.6–43.7 l/100 km across 5 declared configurations
34.9 l/100 km Declaredmedian; 32.1–34.9 l/100 km across 3 declared configurations
CO₂ per tonne-km
56.8 g Declaredmedian; 50.96–59.21 g
47.26 g Declaredmedian; 43.57–47.26 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The Scania G 420 B6x4 declared 7 l/100 km less (20%) 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 8,400 litres a year, or £11,760. A gap this size is outside the 10% tolerance of declared figures.
