median; 32.6–39.3 across 6 declared configurations
Iveco X-Way, 375 kW, 4x2 tractor unit and MAN TGS 18.500 4x2, tractor unit (2019–2020) side by side
Specification
Iveco X-Way, 375 kW, 4x2 tractor unit
MAN TGS 18.500 4x2, tractor unit (2019–2020)
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2019–2022Registeredcentral 90% of records
2019–2020Registeredcentral 90% of records
Engine power
375 kWDeclared
368 kWDeclared
Engine displacement
12.9 litresDeclared
12.4 litresDeclared
Gearbox
automated, manualDeclared
automated, manualDeclared
Emission class
Not recorded
EURO VI CRegistered
Gross vehicle weight
20,000–20,500 kgDeclaredmedian 20,500 kg, across 136 declared configurations
18,600–21,000 kgRegisteredmedian 18,600 kg, across 1 type-approval version and 1 record without one
Kerb weight
Not recorded
6,736–7,616 kgRegisteredmedian 6,736 kg, over 2 registrations
Wheelbase
Not recorded
3,600–3,900 mmRegisteredmedian 3,600 mm, over 2 registrations
Overall length
Not recorded
5,980–6,280 mmRegisteredmedian 5,980 mm, over 2 registrations
Overall height
Not recorded
3,430 mmRegistered
Declared fuel, long haul
37.7 l/100 km Declaredmedian; 33.3–40.3 l/100 km across 4 declared configurations
32.6 l/100 km Declaredmedian; 32.6–39.3 l/100 km across 6 declared configurations
CO₂ per tonne-km
51.1 g Declaredmedian; 45.1–54.6 g
44.2 g Declaredmedian; 44.2–53.3 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The MAN TGS 18.500 4x2, tractor unit (2019–2020) declared 5.1 l/100 km less (15.6%) 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 6,120 litres a year, or £8,568. A gap this size is outside the 10% tolerance of declared figures.
