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

Scania R 500 A6x2/2, tractor unit (2020–2023) vs Scania R 500 A6x2/4, tractor unit (2019–2023)

Scania R 500 A6x2/2, tractor unit (2020–2023)

2020–2023 · 368 kW
30l/100 km
median; 28.6–30.8 across 16 declared configurations

Scania R 500 A6x2/4, tractor unit (2019–2023)

2019–2023 · 368 kW
28.6l/100 km
median; 26.4–32.7 across 79 declared configurations
Scania R 500 A6x2/2, tractor unit (2020–2023) and Scania R 500 A6x2/4, tractor unit (2019–2023) side by side
SpecificationScania R 500 A6x2/2, tractor unit (2020–2023)Scania R 500 A6x2/4, tractor unit (2019–2023)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2020–2023Registeredcentral 90% of records2019–2023Registeredcentral 90% of records
Engine power368 kWDeclared368 kWDeclared
Engine displacement12.7 litresDeclared12.7 litresDeclared
Gearboxautomated, manualDeclaredautomated, manualDeclared
Emission classNot recordedEURO 6Registered
Gross vehicle weight24,000–28,000 kgDeclaredmedian 24,300 kg, across 299 declared configurations26,500–27,000 kgRegisteredmedian 26,500 kg, over 4 registrations
Kerb weightNot recorded8,790–9,700 kgRegisteredmedian 9,040 kg, over 4 registrations
WheelbaseNot recorded4,030–4,130 mmRegisteredmedian 4,050 mm, over 4 registrations
Overall lengthNot recorded6,250–6,370 mmRegisteredmedian 6,350 mm, over 4 registrations
Overall heightNot recorded4,000 mmRegistered
Declared fuel, long haul30 l/100 km Declaredmedian; 28.6–30.8 l/100 km across 16 declared configurations28.6 l/100 km Declaredmedian; 26.4–32.7 l/100 km across 79 declared configurations
CO₂ per tonne-km40.66 g Declaredmedian; 38.71–41.72 g38.81 g Declaredmedian; 35.8–44.3 g

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

What the numbers actually say

There is 1.4 l/100 km between these two (4.8%). That is inside the 10% tolerance of declared figures, so on fuel alone neither is the better choice: at 120,000 km a year and an assumed £1.40 a litre the gap would be about 1,680 litres a year (£2,352). The declared figures for one of them alone span 6.3 l/100 km across its configurations, so the specification ordered matters more than the choice between these two.

Fuel over a year

120,000 km · assumed price
Scania R 500 A6x2/2, tractor unit (2020–2023)36,000 litres
£50,400 at the assumed price
Scania R 500 A6x2/4, tractor unit (2019–2023)34,320 litres
£48,048 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.