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

Iveco Stralis, 294 kW, 4x2 tractor unit (2019–2020) vs Mercedes-Benz Actros, 335 kW, 4x2 tractor unit (2018–2020)

Iveco Stralis, 294 kW, 4x2 tractor unit (2019–2020)

2019–2020 · 294 kW
38.5l/100 km
median; 34.6–39.3 across 8 declared configurations
Lower declared fuel

Mercedes-Benz Actros, 335 kW, 4x2 tractor unit (2018–2020)

2018–2020 · 335 kW
33.9l/100 km
median; 30–40.2 across 291 declared configurations
Iveco Stralis, 294 kW, 4x2 tractor unit (2019–2020) and Mercedes-Benz Actros, 335 kW, 4x2 tractor unit (2018–2020) side by side
SpecificationIveco Stralis, 294 kW, 4x2 tractor unit (2019–2020)Mercedes-Benz Actros, 335 kW, 4x2 tractor unit (2018–2020)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2019–2020Registeredcentral 90% of records2018–2020Registeredcentral 90% of records
Engine power294 kWDeclared335 kWDeclared
Engine displacement8.7 litresDeclared10.7 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Emission classNot recordedEURO VI, EURO VI C, EURO VI DRegistered
Gross vehicle weight19,000–20,000 kgDeclaredmedian 20,000 kg, across 53 declared configurations18,000–20,500 kgRegisteredmedian 19,000 kg, across 28 type-approval versions and 5 records without one
Kerb weightNot recorded6,798–8,376 kgRegisteredmedian 7,640 kg, over 124 registrations
WheelbaseNot recorded3,700–3,850 mmRegisteredmedian 3,700 mm, over 124 registrations
Overall lengthNot recorded5,900–6,310 mmRegisteredmedian 6,160 mm, over 124 registrations
Overall heightNot recorded3,740–4,000 mmRegisteredmedian 3,800 mm, over 13 registrations
Declared fuel, long haul38.5 l/100 km Declaredmedian; 34.6–39.3 l/100 km across 8 declared configurations33.9 l/100 km Declaredmedian; 30–40.2 l/100 km across 291 declared configurations
CO₂ per tonne-km52.2 g Declaredmedian; 47–53.2 g45.9 g Declaredmedian; 40.6–54.4 g

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

What the numbers actually say

The Mercedes-Benz Actros, 335 kW, 4x2 tractor unit (2018–2020) declared 4.6 l/100 km less (13.5%) on the long haul at 19.3 t, 2019 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 5,520 litres a year, or £7,728. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
Iveco Stralis, 294 kW, 4x2 tractor unit (2019–2020)46,200 litres
£64,680 at the assumed price
Mercedes-Benz Actros, 335 kW, 4x2 tractor unit (2018–2020)40,680 litres
£56,952 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.