Comparison · 4×2 lorry · long haul at 14 t

MAN TGX 18.510 4x2, rigid lorry (2019–2023) vs Mercedes-Benz Actros, 375 kW, 4x2 rigid lorry

Lower declared fuel

MAN TGX 18.510 4x2, rigid lorry (2019–2023)

2019–2023 · 375 kW
30.4l/100 km
median; 28.2–33.1 across 36 declared configurations

Mercedes-Benz Actros, 375 kW, 4x2 rigid lorry

2020–2023 · 375 kW
33.8l/100 km
median; 29.7–40.4 across 27 declared configurations
MAN TGX 18.510 4x2, rigid lorry (2019–2023) and Mercedes-Benz Actros, 375 kW, 4x2 rigid lorry side by side
SpecificationMAN TGX 18.510 4x2, rigid lorry (2019–2023)Mercedes-Benz Actros, 375 kW, 4x2 rigid lorry
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration4×2Declared4×2Declared
Registered new2019–2023Registeredcentral 90% of records2020–2023Registeredcentral 90% of records
Engine power375 kWDeclared375 kWDeclared
Engine displacement12.4 litresDeclared12.8 litresDeclared
Gearboxautomated, manualDeclaredautomatedDeclared
Gross vehicle weight18,000–21,000 kgDeclaredmedian 19,000 kg, across 169 declared configurations18,000–20,500 kgDeclaredmedian 18,000 kg, across 81 declared configurations
Declared fuel, long haul30.4 l/100 km Declaredmedian; 28.2–33.1 l/100 km across 36 declared configurations33.8 l/100 km Declaredmedian; 29.7–40.4 l/100 km across 27 declared configurations
CO₂ per tonne-km56.86 g Declaredmedian; 52.76–61.8 g63.2 g Declaredmedian; 55.51–75.5 g

Fuel and CO₂: long haul at 14 t, 2022 declarations.

What the numbers actually say

The MAN TGX 18.510 4x2, rigid lorry (2019–2023) declared 3.4 l/100 km less (11.1%) 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 4,080 litres a year, or £5,712. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
MAN TGX 18.510 4x2, rigid lorry (2019–2023)36,480 litres
£51,072 at the assumed price
Mercedes-Benz Actros, 375 kW, 4x2 rigid lorry40,560 litres
£56,784 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.