Comparison · 4×2 lorry · long haul at 14 t
MAN TGX 18.470 4x2, rigid lorry (2020–2023) vs Volvo FMX, 345 kW, 4x2 rigid lorry, 12.8 L (2021–2023)
Lower declared fuel
MAN TGX 18.470 4x2, rigid lorry (2020–2023)
2020–2023 · 346 kW
28.9l/100 km
median; 27.9–31.6 across 80 declared configurations
Volvo FMX, 345 kW, 4x2 rigid lorry, 12.8 L (2021–2023)
2021–2023 · 345 kW
32.8l/100 km
median; 30.3–37.2 across 11 declared configurations
What the numbers actually say
The MAN TGX 18.470 4x2, rigid lorry (2020–2023) declared 3.9 l/100 km less (13.4%) on the long haul at 14 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 4,680 litres a year, or £6,552. A gap this size is outside the 10% tolerance of declared figures.
Fuel over a year
120,000 km · assumed priceMAN TGX 18.470 4x2, rigid lorry (2020–2023)34,680 litres
£48,552 at the assumed price
Volvo FMX, 345 kW, 4x2 rigid lorry, 12.8 L (2021–2023)39,360 litres
£55,104 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.