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

MAN TGX 26.580 6x2/2 vs MAN TGX 28.580 6x2-2

Lower declared fuel

MAN TGX 26.580 6x2/2

2019–2023 · 427 kW
32.4l/100 km
median; 32.2–35.6 across 4 declared configurations

MAN TGX 28.580 6x2-2

2019–2020 · 427 kW
36.6l/100 km
median; 34.3–36.6 across 3 declared configurations
MAN TGX 26.580 6x2/2 and MAN TGX 28.580 6x2-2 side by side
SpecificationMAN TGX 26.580 6x2/2MAN TGX 28.580 6x2-2
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2019–2023Registeredcentral 90% of records2019–2020Registeredcentral 90% of records
Engine power427 kWDeclared427 kWDeclared
Engine displacement15.3 litresDeclared15.3 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Gross vehicle weight26,000–28,000 kgDeclaredmedian 28,000 kg, across 18 declared configurations28,000 kgRegistered
Overall lengthNot recorded7,027 mmRegistered
Overall heightNot recorded3,923 mmRegistered
Declared fuel, long haul32.4 l/100 km Declaredmedian; 32.2–35.6 l/100 km across 4 declared configurations36.6 l/100 km Declaredmedian; 34.3–36.6 l/100 km across 3 declared configurations
CO₂ per tonne-km43.9 g Declaredmedian; 43.7–48.26 g49.6 g Declaredmedian; 46.5–49.6 g

Fuel and CO₂: long haul at 19.3 t, 2022 declarations.

What the numbers actually say

The MAN TGX 26.580 6x2/2 declared 4.2 l/100 km less (12.9%) on the long haul at 19.3 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 5,040 litres a year, or £7,056. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
MAN TGX 26.580 6x2/238,880 litres
£54,432 at the assumed price
MAN TGX 28.580 6x2-243,920 litres
£61,488 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.