Comparison · 8×4 lorry · construction at 12.9 t

Iveco S-Way, 338 kW, 8x4 rigid lorry vs Scania P 450 B8x4

Iveco S-Way, 338 kW, 8x4 rigid lorry

2021–2023 · 338 kW

42.7l/100 km

median; 40.5–46.5 across 12 declared configurations

Scania P 450 B8x4

2020–2023 · 331 kW

42.9l/100 km

median; 39.7–44.7 across 10 declared configurations

Iveco S-Way, 338 kW, 8x4 rigid lorry and Scania P 450 B8x4 side by side
Specification	Iveco S-Way, 338 kW, 8x4 rigid lorry	Scania P 450 B8x4
Vehicle form	Lorry (BA)Registered	Lorry (BA)Registered
Axle configuration	8×4Declared	8×4Declared
Registered new	2021–2023Registeredcentral 90% of records	2020–2023Registeredcentral 90% of records
Engine power	338 kWDeclared	331 kWDeclared
Engine displacement	11.1 litresDeclared	12.7 litresDeclared
Gearbox	automated, manualDeclared	automated, automatic, manualDeclared
Emission class	Not recorded	EURO VI ERegistered
Gross vehicle weight	32,000–36,000 kgDeclaredmedian 36,000 kg, across 59 declared configurations	38,000 kgRegistered
Kerb weight	Not recorded	14,560 kgRegistered
Wheelbase	Not recorded	5,930 mmRegistered
Overall length	Not recorded	9,500 mmRegistered
Overall height	Not recorded	4,000 mmRegistered
Declared fuel, construction	42.7 l/100 km Declaredmedian; 40.5–46.5 l/100 km across 12 declared configurations	42.9 l/100 km Declaredmedian; 39.7–44.7 l/100 km across 10 declared configurations
CO₂ per tonne-km	86.6 g Declaredmedian; 82.09–94.3 g	86.94 g Declaredmedian; 80.6–90.7 g

Fuel and CO₂: construction at 12.9 t, 2022 declarations.

What the numbers actually say

There is 0.2 l/100 km between these two (0.4%). That is inside the 10% tolerance of declared figures, so on fuel alone neither is the better choice: at 120,000 km a year and an assumed £1.40 a litre the gap would be about 240 litres a year (£336). The declared figures for one of them alone span 6 l/100 km across its configurations, so the specification ordered matters more than the choice between these two.

S-Way, 338 kW, 8x4 rigid lorry full specification P 450 B8x4 full specification The fuel ranking

Fuel over a year

120,000 km · assumed price

Iveco S-Way, 338 kW, 8x4 rigid lorry51,240 litres

£71,736 at the assumed price

Scania P 450 B8x451,480 litres

£72,072 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.