Comparison · 4×2 lorry · long haul at 14 t

Iveco S-Way, 309 kW, 4x2 rigid lorry vs Scania P 420 B4x2

Iveco S-Way, 309 kW, 4x2 rigid lorry

2020–2023 · 309 kW
32.2l/100 km
median; 30.4–39.6 across 45 declared configurations
Lower declared fuel

Scania P 420 B4x2

2022–2025 · 309 kW
28.1l/100 km
median; 25.8–38.7 across 32 declared configurations
Iveco S-Way, 309 kW, 4x2 rigid lorry and Scania P 420 B4x2 side by side
SpecificationIveco S-Way, 309 kW, 4x2 rigid lorryScania P 420 B4x2
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration4×2Declared4×2Declared
Registered new2020–2023Registeredcentral 90% of records2022–2025Registeredcentral 90% of records
Engine power309 kWDeclared309 kWDeclared
Engine displacement11.1 litresDeclared12.7 litresDeclared
Gearboxautomated, manualDeclaredautomated, automaticDeclared
Emission classNot recordedEURO VI ERegistered
Gross vehicle weight18,000–20,000 kgDeclaredmedian 20,000 kg, across 157 declared configurations19,500–22,000 kgRegisteredmedian 22,000 kg, over 13 registrations
Kerb weightNot recorded8,575–14,024 kgRegisteredmedian 11,128 kg, over 13 registrations
WheelbaseNot recorded3,750–5,750 mmRegisteredmedian 3,950 mm, over 13 registrations
Overall lengthNot recorded6,640–10,620 mmRegisteredmedian 7,050 mm, over 13 registrations
Overall heightNot recorded3,020–4,000 mmRegisteredmedian 3,500 mm, over 12 registrations
Declared fuel, long haul32.2 l/100 km Declaredmedian; 30.4–39.6 l/100 km across 45 declared configurations28.1 l/100 km Declaredmedian; 25.8–38.7 l/100 km across 32 declared configurations
CO₂ per tonne-km60.2 g Declaredmedian; 56.74–73.9 g52.47 g Declaredmedian; 48.18–72.3 g

Fuel and CO₂: long haul at 14 t, 2022 declarations.

What the numbers actually say

The Scania P 420 B4x2 declared 4.1 l/100 km less (14.5%) on the long haul at 14 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 4,920 litres a year, or £6,888. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
Iveco S-Way, 309 kW, 4x2 rigid lorry38,640 litres
£54,096 at the assumed price
Scania P 420 B4x233,720 litres
£47,208 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.