Comparison · 6×2 tractor unit · long haul at 19.3 t

Iveco Stralis, 338 kW, 6x2 tractor unit, 11.1 L (2019–2020) vs Volvo FH, 405 kW, 6x2 tractor unit (2016–2020)

Iveco Stralis, 338 kW, 6x2 tractor unit, 11.1 L (2019–2020)

2019–2020 · 338 kW
35.3l/100 km
median; 35.1–38.4 across 7 declared configurations

Volvo FH, 405 kW, 6x2 tractor unit (2016–2020)

2016–2020 · 405 kW
35.8l/100 km
median; 33.1–41.4 across 193 declared configurations
Iveco Stralis, 338 kW, 6x2 tractor unit, 11.1 L (2019–2020) and Volvo FH, 405 kW, 6x2 tractor unit (2016–2020) side by side
SpecificationIveco Stralis, 338 kW, 6x2 tractor unit, 11.1 L (2019–2020)Volvo FH, 405 kW, 6x2 tractor unit (2016–2020)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2019–2020Registeredcentral 90% of records2016–2020Registeredcentral 90% of records
Engine power338 kWDeclared405 kWDeclared
Engine displacement11.1 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classNot recordedEURO 6, EURO VI, EURO VI B, EURO VI C, EURO VI DRegistered
Gross vehicle weight23,000–26,000 kgDeclaredmedian 26,000 kg, across 8 declared configurations24,000–32,000 kgRegisteredmedian 27,000 kg, across 41 type-approval versions and 26 records without one
Kerb weightNot recorded8,200–18,625 kgRegisteredmedian 9,275 kg, over 114 registrations
WheelbaseNot recorded3,800–5,900 mmRegisteredmedian 4,100 mm, over 114 registrations
Overall lengthNot recorded6,000–7,400 mmRegisteredmedian 6,510 mm, over 113 registrations
Overall heightNot recorded3,430–4,000 mmRegisteredmedian 3,930 mm, over 28 registrations
Declared fuel, long haul35.3 l/100 km Declaredmedian; 35.1–38.4 l/100 km across 7 declared configurations35.8 l/100 km Declaredmedian; 33.1–41.4 l/100 km across 193 declared configurations
CO₂ per tonne-km47.8 g Declaredmedian; 47.6–52 g48.5 g Declaredmedian; 44.9–56.1 g

Fuel and CO₂: long haul at 19.3 t, 2019 declarations.

What the numbers actually say

There is 0.5 l/100 km between these two (1.4%). 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 600 litres a year (£840). The declared figures for one of them alone span 8.3 l/100 km across its configurations, so the specification ordered matters more than the choice between these two.

Fuel over a year

120,000 km · assumed price
Iveco Stralis, 338 kW, 6x2 tractor unit, 11.1 L (2019–2020)42,360 litres
£59,304 at the assumed price
Volvo FH, 405 kW, 6x2 tractor unit (2016–2020)42,960 litres
£60,144 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.