median; 34.9–38.4 across 15 declared configurations
MAN TGX 18.640 4x2 and Volvo FH, 488 kW, 4x2 tractor unit side by side
Specification
MAN TGX 18.640 4x2
Volvo FH, 488 kW, 4x2 tractor unit
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2019–2023Registeredcentral 90% of records
2019–2020Registeredcentral 90% of records
Engine power
471 kWDeclared
488 kWDeclared
Engine displacement
15.3 litresDeclared
16.1 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
EURO VI C, EURO VI D, EURO VI ERegistered
Not recorded
Gross vehicle weight
19,000–21,000 kgRegisteredmedian 20,500 kg, across 6 type-approval versions
20,500–22,000 kgDeclaredmedian 21,000 kg, across 17 declared configurations
Kerb weight
8,143–8,834 kgRegisteredmedian 8,313 kg, over 10 registrations
Not recorded
Wheelbase
3,600–3,900 mmRegisteredmedian 3,900 mm, over 10 registrations
Not recorded
Overall length
5,980–6,280 mmRegisteredmedian 6,280 mm, over 10 registrations
Not recorded
Overall height
3,870–3,960 mmRegisteredmedian 3,910 mm, over 9 registrations
Not recorded
Declared fuel, long haul
31.1 l/100 km Declaredmedian; 29.3–36.9 l/100 km across 78 declared configurations
37.4 l/100 km Declaredmedian; 34.9–38.4 l/100 km across 15 declared configurations
CO₂ per tonne-km
42.14 g Declaredmedian; 39.68–49.99 g
50.7 g Declaredmedian; 47.3–52.1 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The MAN TGX 18.640 4x2 declared 6.3 l/100 km less (20.2%) 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 7,560 litres a year, or £10,584. A gap this size is outside the 10% tolerance of declared figures.
