median; 27.9–35.1 across 44 declared configurations
Scania R 420 B4x2 and Volvo FH, 315 kW, 4x2 rigid truck side by side
Specification
Scania R 420 B4x2
Volvo FH, 315 kW, 4x2 rigid truck
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2022–2025Registeredcentral 90% of records
2019–2023Registeredcentral 90% of records
Engine power
309 kWDeclared
315 kWDeclared
Engine displacement
12.7 litresDeclared
12.8 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI ERegistered
Not recorded
Gross vehicle weight
19,000–21,000 kgRegisteredmedian 20,500 kg, over 4 registrations
20,100–23,000 kgDeclaredmedian 21,000 kg, across 255 declared configurations
Kerb weight
9,397–10,559 kgRegisteredmedian 9,533 kg, over 4 registrations
Not recorded
Wheelbase
5,350–6,350 mmRegisteredmedian 5,550 mm, over 4 registrations
Not recorded
Overall length
9,350–10,980 mmRegisteredmedian 9,930 mm, over 4 registrations
Not recorded
Overall height
3,950–4,000 mmRegisteredmedian 3,950 mm, over 4 registrations
Not recorded
Declared fuel, long haul
26.1 l/100 km Declaredmedian; 25.4–27.6 l/100 km across 19 declared configurations
28.8 l/100 km Declaredmedian; 27.9–35.1 l/100 km across 44 declared configurations
CO₂ per tonne-km
48.81 g Declaredmedian; 47.46–51.53 g
53.77 g Declaredmedian; 52.16–65.5 g
Fuel and CO₂: long haul at 14 t, 2022 declarations.
What the numbers actually say
The Scania R 420 B4x2 declared 2.7 l/100 km less (10.3%) on the long haul at 14 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 3,240 litres a year, or £4,536. A gap this size is outside the 10% tolerance of declared figures.
