AllTruckData
Comparison · 4×2 tractor unit · long haul at 19.3 t

Iveco S-Way, 265 kW, 4x2 tractor unit vs Volvo FM, 251 kW, 4x2 tractor unit (2019–2023)

Iveco S-Way, 265 kW, 4x2 tractor unit

2020–2023 · 265 kW
36.4l/100 km
median; 30.2–37.1 across 10 declared configurations
Lower declared fuel

Volvo FM, 251 kW, 4x2 tractor unit (2019–2023)

2019–2023 · 251 kW
29.6l/100 km
median; 28.4–42.1 across 18 declared configurations
Iveco S-Way, 265 kW, 4x2 tractor unit and Volvo FM, 251 kW, 4x2 tractor unit (2019–2023) side by side
SpecificationIveco S-Way, 265 kW, 4x2 tractor unitVolvo FM, 251 kW, 4x2 tractor unit (2019–2023)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2020–2023Registeredcentral 90% of records2019–2023Registeredcentral 90% of records
Engine power265 kWDeclared251 kWDeclared
Engine displacement8.7 litresDeclared10.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Emission classNot recordedEURO 6, EURO VI D, EURO VI ERegistered
Gross vehicle weight19,000–20,000 kgDeclaredmedian 20,000 kg, across 33 declared configurations18,200–21,000 kgRegisteredmedian 20,500 kg, across 14 type-approval versions and 2 records without one
Kerb weightNot recorded6,828–7,650 kgRegisteredmedian 7,050 kg, over 72 registrations
WheelbaseNot recorded3,600–3,800 mmRegisteredmedian 3,800 mm, over 72 registrations
Overall lengthNot recorded5,790–5,990 mmRegisteredmedian 5,990 mm, over 72 registrations
Overall heightNot recorded3,380–3,890 mmRegisteredmedian 3,820 mm, over 18 registrations
Declared fuel, long haul36.4 l/100 km Declaredmedian; 30.2–37.1 l/100 km across 10 declared configurations29.6 l/100 km Declaredmedian; 28.4–42.1 l/100 km across 18 declared configurations
CO₂ per tonne-km49.34 g Declaredmedian; 40.93–50.3 g40.17 g Declaredmedian; 38.52–57.1 g

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

What the numbers actually say

The Volvo FM, 251 kW, 4x2 tractor unit (2019–2023) declared 6.8 l/100 km less (22.9%) 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 8,160 litres a year, or £11,424. A gap this size is outside the 10% tolerance of declared figures.

S-Way, 265 kW, 4x2 tractor unit full specificationFM, 251 kW, 4x2 tractor unit (2019–2023) full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
Iveco S-Way, 265 kW, 4x2 tractor unit43,680 litres
£61,152 at the assumed price
Volvo FM, 251 kW, 4x2 tractor unit (2019–2023)35,520 litres
£49,728 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.