median; 25.8–32.3 across 26 declared configurations
Iveco X-Way, 309 kW, 4x2 tractor unit and Scania P 420 A4x2 side by side
Specification
Iveco X-Way, 309 kW, 4x2 tractor unit
Scania P 420 A4x2
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
4×2Declared
4×2Declared
Registered new
2019–2023Registeredcentral 90% of records
2022–2026Registeredcentral 90% of records
Engine power
309 kWDeclared
309 kWDeclared
Engine displacement
11.1 litresDeclared
12.7 litresDeclared
Gearbox
automated, manualDeclared
automatedDeclared
Emission class
Not recorded
EURO VI ERegistered
Gross vehicle weight
20,000–20,500 kgDeclaredmedian 20,500 kg, across 34 declared configurations
19,000–22,000 kgRegisteredmedian 19,500 kg, across 9 type-approval versions and 2 records without one
Kerb weight
Not recorded
7,202–10,359 kgRegisteredmedian 7,564 kg, over 25 registrations
Wheelbase
Not recorded
3,350–3,950 mmRegisteredmedian 3,750 mm, over 25 registrations
Overall length
Not recorded
5,560–6,150 mmRegisteredmedian 5,960 mm, over 25 registrations
Overall height
Not recorded
3,350–3,730 mmRegisteredmedian 3,500 mm, over 24 registrations
Declared fuel, long haul
36.2 l/100 km Declaredmedian; 36.1–39.2 l/100 km across 5 declared configurations
28.6 l/100 km Declaredmedian; 25.8–32.3 l/100 km across 26 declared configurations
CO₂ per tonne-km
49.12 g Declaredmedian; 48.9–53.17 g
38.75 g Declaredmedian; 35.04–43.82 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The Scania P 420 A4x2 declared 7.6 l/100 km less (26.5%) 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 9,120 litres a year, or £12,768. A gap this size is outside the 10% tolerance of declared figures.
