median; 39.4–41.7 across 2 declared configurations
Scania R 450 A6x4 and Volvo FM, 315 kW, 6x4 tractor unit side by side
Specification
Scania R 450 A6x4
Volvo FM, 315 kW, 6x4 tractor unit
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
6×4Declared
6×4Declared
Registered new
2017–2021Registeredcentral 90% of records
2020–2022Registeredcentral 90% of records
Engine power
331 kWDeclared
315 kWDeclared
Engine displacement
12.7 litresDeclared
12.8 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI C, EURO VI DRegistered
Not recorded
Gross vehicle weight
30,000–34,000 kgRegisteredmedian 31,000 kg, across 2 type-approval versions and 1 record without one
28,500–31,000 kgDeclaredmedian 29,000 kg, across 6 declared configurations
Kerb weight
9,745–21,960 kgRegisteredmedian 9,857 kg, over 5 registrations
Not recorded
Wheelbase
4,300–4,850 mmRegisteredmedian 4,500 mm, over 5 registrations
Not recorded
Overall length
6,670–7,770 mmRegisteredmedian 6,710 mm, over 5 registrations
Not recorded
Overall height
3,570 mmRegistered
Not recorded
Declared fuel, long haul
36.8 l/100 km Declaredmedian; across 2 declared configurations
41.7 l/100 km Declaredmedian; 39.4–41.7 l/100 km across 2 declared configurations
CO₂ per tonne-km
49.9 g Declaredmedian; 49.9–50 g
56.6 g Declaredmedian; 53.4–56.6 g
Fuel and CO₂: long haul at 19.3 t, 2021 declarations.
What the numbers actually say
The Scania R 450 A6x4 declared 4.9 l/100 km less (13.3%) on the long haul at 19.3 t, 2021 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 5,880 litres a year, or £8,232. A gap this size is outside the 10% tolerance of declared figures.
