median; 35.3–39.4 across 15 declared configurations
Iveco X-Way, 309 kW, 6x4 rigid truck and MAN TGS 28.430 6x4-4 side by side
Specification
Iveco X-Way, 309 kW, 6x4 rigid truck
MAN TGS 28.430 6x4-4
Vehicle form
Truck (BA)Registered
Truck (BA)Registered
Axle configuration
6×4Declared
6×4Declared
Registered new
2020–2023Registeredcentral 90% of records
2022–2023Registeredcentral 90% of records
Engine power
309 kWDeclared
316 kWDeclared
Engine displacement
11.1 litresDeclared
12.4 litresDeclared
Gearbox
automated, manualDeclared
automatedDeclared
Gross vehicle weight
27,000–30,000 kgDeclaredmedian 28,500 kg, across 82 declared configurations
26,000–30,000 kgDeclaredmedian 26,000 kg, across 15 declared configurations
Declared fuel, long haul
44.7 l/100 km Declaredmedian; 38.9–47.2 l/100 km across 21 declared configurations
37.8 l/100 km Declaredmedian; 35.3–39.4 l/100 km across 15 declared configurations
CO₂ per tonne-km
60.59 g Declaredmedian; 52.67–64 g
51.3 g Declaredmedian; 47.8–53.47 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The MAN TGS 28.430 6x4-4 declared 6.9 l/100 km less (18.2%) 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 8,280 litres a year, or £11,592. A gap this size is outside the 10% tolerance of declared figures.
