Comparison · 6×4 tractor unit · long haul at 19.3 t

Mercedes-Benz Actros, 350 kW, 6x4 tractor unit vs Renault T, 360 kW, 6x4 tractor unit

Mercedes-Benz Actros, 350 kW, 6x4 tractor unit

2015–2023 · 350 kW
41.3l/100 km
median; 37.6–42.3 across 3 declared configurations

Renault T, 360 kW, 6x4 tractor unit

2021–2023 · 360 kW
38.8l/100 km
median; 36.3–42.9 across 4 declared configurations
Mercedes-Benz Actros, 350 kW, 6x4 tractor unit and Renault T, 360 kW, 6x4 tractor unit side by side
SpecificationMercedes-Benz Actros, 350 kW, 6x4 tractor unitRenault T, 360 kW, 6x4 tractor unit
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×4Declared6×4Declared
Registered new2015–2023Registeredcentral 90% of records2021–2023Registeredcentral 90% of records
Engine power350 kWDeclared360 kWDeclared
Engine displacement12.8 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO VIRegisteredNot recorded
Gross vehicle weight28,000 kgRegistered28,500–31,000 kgDeclaredmedian 30,000 kg, across 12 declared configurations
Kerb weight14,355 kgRegisteredNot recorded
Wheelbase5,350 mmRegisteredNot recorded
Overall length8,100 mmRegisteredNot recorded
Declared fuel, long haul41.3 l/100 km Declaredmedian; 37.6–42.3 l/100 km across 3 declared configurations38.8 l/100 km Declaredmedian; 36.3–42.9 l/100 km across 4 declared configurations
CO₂ per tonne-km56 g Declaredmedian; 50.92–57.3 g52.55 g Declaredmedian; 49.21–58.15 g

Fuel and CO₂: long haul at 19.3 t, 2022 declarations.

What the numbers actually say

There is 2.5 l/100 km between these two (6.4%). 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 3,000 litres a year (£4,200). The declared figures for one of them alone span 6.6 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
Mercedes-Benz Actros, 350 kW, 6x4 tractor unit49,560 litres
£69,384 at the assumed price
Renault T, 360 kW, 6x4 tractor unit46,560 litres
£65,184 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.