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

Volvo FM, 345 kW, 6x2 tractor unit, 10.8 L (2019–2022) vs Volvo FM, 345 kW, 6x2 tractor unit, 12.8 L (2016–2023)

Volvo FM, 345 kW, 6x2 tractor unit, 10.8 L (2019–2022)

2019–2022 · 345 kW
39.4l/100 km
median; 33.1–39.4 across 4 declared configurations
Lower declared fuel

Volvo FM, 345 kW, 6x2 tractor unit, 12.8 L (2016–2023)

2016–2023 · 345 kW
31.5l/100 km
median; 29–38.8 across 12 declared configurations
Volvo FM, 345 kW, 6x2 tractor unit, 10.8 L (2019–2022) and Volvo FM, 345 kW, 6x2 tractor unit, 12.8 L (2016–2023) side by side
SpecificationVolvo FM, 345 kW, 6x2 tractor unit, 10.8 L (2019–2022)Volvo FM, 345 kW, 6x2 tractor unit, 12.8 L (2016–2023)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2019–2022Registeredcentral 90% of records2016–2023Registeredcentral 90% of records
Engine power345 kWDeclared345 kWDeclared
Engine displacement10.8 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO VIRegisteredEEV, EURO 6, EURO V, EURO VI B, EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight27,000 kgRegistered23,500–31,000 kgRegisteredmedian 27,000 kg, across 25 type-approval versions and 11 records without one
Kerb weight8,800 kgRegistered7,725–20,320 kgRegisteredmedian 8,766 kg, over 56 registrations
Wheelbase4,100 mmRegistered3,800–5,070 mmRegisteredmedian 4,100 mm, over 56 registrations
Overall length6,450 mmRegistered6,200–7,300 mmRegisteredmedian 6,510 mm, over 56 registrations
Overall heightNot recorded3,000–3,950 mmRegisteredmedian 3,400 mm, over 19 registrations
Declared fuel, long haul39.4 l/100 km Declaredmedian; 33.1–39.4 l/100 km across 4 declared configurations31.5 l/100 km Declaredmedian; 29–38.8 l/100 km across 12 declared configurations
CO₂ per tonne-km53.5 g Declaredmedian; 44.9–53.5 g42.72 g Declaredmedian; 39.36–52.7 g

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

What the numbers actually say

The Volvo FM, 345 kW, 6x2 tractor unit, 12.8 L (2016–2023) declared 7.9 l/100 km less (25%) 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 9,480 litres a year, or £13,272. A gap this size is outside the 10% tolerance of declared figures.

FM, 345 kW, 6x2 tractor unit, 10.8 L (2019–2022) full specificationFM, 345 kW, 6x2 tractor unit, 12.8 L (2016–2023) full specification

Fuel over a year

120,000 km · assumed price
Volvo FM, 345 kW, 6x2 tractor unit, 10.8 L (2019–2022)47,280 litres
£66,192 at the assumed price
Volvo FM, 345 kW, 6x2 tractor unit, 12.8 L (2016–2023)37,800 litres
£52,920 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.