AllTruckData
Comparison · 6×4 tractor unit · long haul at 19.3 t

Scania R 450 A6x4 vs Volvo FM, 315 kW, 6x4 tractor unit

Lower declared fuel

Scania R 450 A6x4

2017–2021 · 331 kW
36.8l/100 km
median; across 2 declared configurations

Volvo FM, 315 kW, 6x4 tractor unit

2020–2022 · 315 kW
41.7l/100 km
median; 39.4–41.7 across 2 declared configurations
Scania R 450 A6x4 and Volvo FM, 315 kW, 6x4 tractor unit side by side
SpecificationScania R 450 A6x4Volvo FM, 315 kW, 6x4 tractor unit
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×4Declared6×4Declared
Registered new2017–2021Registeredcentral 90% of records2020–2022Registeredcentral 90% of records
Engine power331 kWDeclared315 kWDeclared
Engine displacement12.7 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO VI C, EURO VI DRegisteredNot recorded
Gross vehicle weight30,000–34,000 kgRegisteredmedian 31,000 kg, across 2 type-approval versions and 1 record without one28,500–31,000 kgDeclaredmedian 29,000 kg, across 6 declared configurations
Kerb weight9,745–21,960 kgRegisteredmedian 9,857 kg, over 5 registrationsNot recorded
Wheelbase4,300–4,850 mmRegisteredmedian 4,500 mm, over 5 registrationsNot recorded
Overall length6,670–7,770 mmRegisteredmedian 6,710 mm, over 5 registrationsNot recorded
Overall height3,570 mmRegisteredNot recorded
Declared fuel, long haul36.8 l/100 km Declaredmedian; across 2 declared configurations41.7 l/100 km Declaredmedian; 39.4–41.7 l/100 km across 2 declared configurations
CO₂ per tonne-km49.9 g Declaredmedian; 49.9–50 g56.6 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.

R 450 A6x4 full specificationFM, 315 kW, 6x4 tractor unit full specification

Fuel over a year

120,000 km · assumed price
Scania R 450 A6x444,160 litres
£61,824 at the assumed price
Volvo FM, 315 kW, 6x4 tractor unit50,040 litres
£70,056 at the assumed price
At 120,000 km a year and an assumed £1.40 a litre; the price is an assumption, not one we track.