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

Iveco S-Way, 309 kW, 4x2 rigid lorry vs Volvo FH, 315 kW, 4x2 rigid lorry

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

Volvo FH, 315 kW, 4x2 rigid lorry

2019–2023 · 315 kW
28.8l/100 km
median; 27.9–35.1 across 44 declared configurations
Iveco S-Way, 309 kW, 4x2 rigid lorry and Volvo FH, 315 kW, 4x2 rigid lorry side by side
SpecificationIveco S-Way, 309 kW, 4x2 rigid lorryVolvo FH, 315 kW, 4x2 rigid lorry
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration4×2Declared4×2Declared
Registered new2020–2023Registeredcentral 90% of records2019–2023Registeredcentral 90% of records
Engine power309 kWDeclared315 kWDeclared
Engine displacement11.1 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Gross vehicle weight18,000–20,000 kgDeclaredmedian 20,000 kg, across 157 declared configurations20,100–23,000 kgDeclaredmedian 21,000 kg, across 255 declared configurations
Declared fuel, long haul32.2 l/100 km Declaredmedian; 30.4–39.6 l/100 km across 45 declared configurations28.8 l/100 km Declaredmedian; 27.9–35.1 l/100 km across 44 declared configurations
CO₂ per tonne-km60.2 g Declaredmedian; 56.74–73.9 g53.77 g Declaredmedian; 52.16–65.5 g

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

What the numbers actually say

The Volvo FH, 315 kW, 4x2 rigid lorry declared 3.4 l/100 km less (11.8%) 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 4,080 litres a year, or £5,712. 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
Volvo FH, 315 kW, 4x2 rigid lorry34,560 litres
£48,384 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.