median; 34.9–38.4 across 15 declared configurations
Scania R 650 A4x2 and Volvo FH, 488 kW, 4x2 tractor unit side by side
Specification
Scania R 650 A4x2
Volvo FH, 488 kW, 4x2 tractor unit
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2019–2021Registeredcentral 90% of records
2019–2020Registeredcentral 90% of records
Engine power
478 kWDeclared
488 kWDeclared
Engine displacement
16.4 litresDeclared
16.1 litresDeclared
Gearbox
automated, manualDeclared
automatedDeclared
Emission class
EURO VI C, EURO VI DRegistered
Not recorded
Gross vehicle weight
18,000–22,000 kgRegisteredmedian 20,500 kg, across 16 type-approval versions and 4 records without one
20,500–22,000 kgDeclaredmedian 21,000 kg, across 17 declared configurations
Kerb weight
7,844–9,347 kgRegisteredmedian 8,914 kg, over 32 registrations
Not recorded
Wheelbase
3,600–3,950 mmRegisteredmedian 3,750 mm, over 32 registrations
Not recorded
Overall length
5,810–6,320 mmRegisteredmedian 6,120 mm, over 32 registrations
Not recorded
Overall height
3,510–4,000 mmRegisteredmedian 4,000 mm, over 8 registrations
Not recorded
Declared fuel, long haul
32.8 l/100 km Declaredmedian; 31.6–38.5 l/100 km across 25 declared configurations
37.4 l/100 km Declaredmedian; 34.9–38.4 l/100 km across 15 declared configurations
CO₂ per tonne-km
44.4 g Declaredmedian; 42.8–52.1 g
50.7 g Declaredmedian; 47.3–52.1 g
Fuel and CO₂: long haul at 19.3 t, 2021 declarations.
What the numbers actually say
The Scania R 650 A4x2 declared 4.6 l/100 km less (14%) 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 5,520 litres a year, or £7,728. A gap this size is outside the 10% tolerance of declared figures.
