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

Renault T, 345 kW, 6x4 tractor unit vs Volvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023)

Renault T, 345 kW, 6x4 tractor unit

2019–2021 · 345 kW
43.4l/100 km
median; 39.3–43.4 across 5 declared configurations
Lower declared fuel

Volvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023)

2020–2023 · 345 kW
36.5l/100 km
median; 36.1–37.5 across 4 declared configurations
Renault T, 345 kW, 6x4 tractor unit and Volvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023) side by side
SpecificationRenault T, 345 kW, 6x4 tractor unitVolvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×4Declared6×4Declared
Registered new2019–2021Registeredcentral 90% of records2020–2023Registeredcentral 90% of records
Engine power345 kWDeclared345 kWDeclared
Engine displacement10.8 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classNot recordedEURO VI B, EURO VI DRegistered
Gross vehicle weight28,500–35,000 kgDeclaredmedian 28,500 kg, across 11 declared configurations29,000–32,000 kgRegisteredmedian 29,000 kg, across 1 type-approval version and 1 record without one
Kerb weightNot recorded9,361–20,130 kgRegisteredmedian 9,361 kg, over 2 registrations
WheelbaseNot recorded4,770 mmRegistered
Overall lengthNot recorded6,940–7,400 mmRegisteredmedian 6,940 mm, over 2 registrations
Declared fuel, long haul43.4 l/100 km Declaredmedian; 39.3–43.4 l/100 km across 5 declared configurations36.5 l/100 km Declaredmedian; 36.1–37.5 l/100 km across 4 declared configurations
CO₂ per tonne-km58.8 g Declaredmedian; 53.2–58.8 g49.4 g Declaredmedian; 48.97–50.81 g

Fuel and CO₂: long haul at 19.3 t, 2021 declarations.

What the numbers actually say

The Volvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023) declared 6.9 l/100 km less (18.9%) on the long haul at 19.3 t, 2021 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 8,280 litres a year, or £11,592. A gap this size is outside the 10% tolerance of declared figures.

T, 345 kW, 6x4 tractor unit full specificationFM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023) full specificationThe fuel ranking

Fuel over a year

120,000 km · assumed price
Renault T, 345 kW, 6x4 tractor unit52,080 litres
£72,912 at the assumed price
Volvo FM, 345 kW, 6x4 tractor unit, 12.8 L (2020–2023)43,800 litres
£61,320 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.