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

Mercedes-Benz Actros, 310 kW, 6x2 tractor unit vs Volvo FM, 308 kW, 6x2 tractor unit

Lower declared fuel

Mercedes-Benz Actros, 310 kW, 6x2 tractor unit

2013–2022 · 310 kW
29.3l/100 km
median; 29.3–37.4 across 7 declared configurations

Volvo FM, 308 kW, 6x2 tractor unit

2013–2019 · 308 kW
39.2l/100 km
median; 35.2–39.9 across 3 declared configurations
Mercedes-Benz Actros, 310 kW, 6x2 tractor unit and Volvo FM, 308 kW, 6x2 tractor unit side by side
SpecificationMercedes-Benz Actros, 310 kW, 6x2 tractor unitVolvo FM, 308 kW, 6x2 tractor unit
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2013–2022Registeredcentral 90% of records2013–2019Registeredcentral 90% of records
Engine power310 kWDeclared308 kWDeclared
Engine displacement12.8 litresDeclared10.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO 6, EURO VI, EURO VI A, EURO VI C, EURO VI D, EURO VI ERegisteredEURO 5, EURO 6, EURO VI B, EURO VI CRegistered
Gross vehicle weight23,100–27,000 kgRegisteredmedian 23,800 kg, across 31 type-approval versions and 72 records without one24,000–28,000 kgRegisteredmedian 24,500 kg, across 8 type-approval versions and 2 records without one
Kerb weight7,915–9,080 kgRegisteredmedian 8,585 kg, over 191 registrations7,353–8,600 kgRegisteredmedian 7,961 kg, over 18 registrations
Wheelbase4,000 mmRegistered3,800–4,570 mmRegisteredmedian 3,800 mm, over 18 registrations
Overall length6,250–6,500 mmRegisteredmedian 6,460 mm, over 191 registrations5,990–7,200 mmRegisteredmedian 5,990 mm, over 18 registrations
Overall height3,970–3,980 mmRegisteredmedian 3,980 mm, over 10 registrationsNot recorded
Declared fuel, long haul29.3 l/100 km Declaredmedian; 29.3–37.4 l/100 km across 7 declared configurations39.2 l/100 km Declaredmedian; 35.2–39.9 l/100 km across 3 declared configurations
CO₂ per tonne-km39.69 g Declaredmedian; 39.69–50.73 g53.2 g Declaredmedian; 47.7–54.1 g

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

What the numbers actually say

The Mercedes-Benz Actros, 310 kW, 6x2 tractor unit declared 9.9 l/100 km less (33.7%) on the long haul at 19.3 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 11,880 litres a year, or £16,632. A gap this size is outside the 10% tolerance of declared figures.

Actros, 310 kW, 6x2 tractor unit full specificationFM, 308 kW, 6x2 tractor unit full specification

Fuel over a year

120,000 km · assumed price
Mercedes-Benz Actros, 310 kW, 6x2 tractor unit35,160 litres
£49,224 at the assumed price
Volvo FM, 308 kW, 6x2 tractor unit47,040 litres
£65,856 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.