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

Scania S 660 A6x4 vs Volvo FH, 552 kW, 6x4 tractor unit

Lower declared fuel

Scania S 660 A6x4

2022–2025 · 485 kW
33.9l/100 km
median; 31–41.9 across 53 declared configurations

Volvo FH, 552 kW, 6x4 tractor unit

2020–2023 · 552 kW
40.1l/100 km
median; 35.4–47 across 85 declared configurations
Scania S 660 A6x4 and Volvo FH, 552 kW, 6x4 tractor unit side by side
SpecificationScania S 660 A6x4Volvo FH, 552 kW, 6x4 tractor unit
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×4Declared6×4Declared
Registered new2022–2025Registeredcentral 90% of records2020–2023Registeredcentral 90% of records
Engine power485 kWDeclared552 kWDeclared
Engine displacement16.4 litresDeclared16.1 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO VI, EURO VI ERegisteredEURO VI DRegistered
Gross vehicle weight28,000–36,000 kgRegisteredmedian 30,000 kg, across 6 type-approval versions and 9 records without one32,000 kgRegistered
Kerb weight10,155–10,865 kgRegisteredmedian 10,545 kg, over 23 registrations10,430 kgRegistered
Wheelbase4,500–5,300 mmRegisteredmedian 4,700 mm, over 23 registrations4,770 mmRegistered
Overall length6,800–7,560 mmRegisteredmedian 6,910 mm, over 23 registrations6,900 mmRegistered
Overall height3,770–4,000 mmRegisteredmedian 3,990 mm, over 22 registrations4,000 mmRegistered
Declared fuel, long haul33.9 l/100 km Declaredmedian; 31–41.9 l/100 km across 53 declared configurations40.1 l/100 km Declaredmedian; 35.4–47 l/100 km across 85 declared configurations
CO₂ per tonne-km45.9 g Declaredmedian; 42.08–56.82 g54.41 g Declaredmedian; 48.05–63.72 g

Fuel and CO₂: long haul at 19.3 t, 2022 declarations.

What the numbers actually say

The Scania S 660 A6x4 declared 6.2 l/100 km less (18.2%) 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 7,440 litres a year, or £10,416. A gap this size is outside the 10% tolerance of declared figures.

S 660 A6x4 full specificationFH, 552 kW, 6x4 tractor unit full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
Scania S 660 A6x440,680 litres
£56,952 at the assumed price
Volvo FH, 552 kW, 6x4 tractor unit48,120 litres
£67,368 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.