Comparison · 8×4 lorry · construction at 12.9 t
Volvo FH, 413 kW, 8x4 rigid lorry vs Volvo FM, 405 kW, 8x4 rigid lorry (2017–2023)
Volvo FH, 413 kW, 8x4 rigid lorry
2020–2023 · 413 kW
46.4l/100 km
median; 45.5–49.8 across 16 declared configurations
Lower declared fuel
Volvo FM, 405 kW, 8x4 rigid lorry (2017–2023)
2017–2023 · 405 kW
41.8l/100 km
median; 40.9–43.6 across 4 declared configurations
What the numbers actually say
The Volvo FM, 405 kW, 8x4 rigid lorry (2017–2023) declared 4.6 l/100 km less (11%) on the construction at 12.9 t, 2022 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 priceVolvo FH, 413 kW, 8x4 rigid lorry55,680 litres
£77,952 at the assumed price
Volvo FM, 405 kW, 8x4 rigid lorry (2017–2023)50,160 litres
£70,224 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.