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

Scania R 540 A6x2*4 vs Scania S 540 A6x2/2

Scania R 540 A6x2*4

2020–2023 · 397 kW
30.1l/100 km
median; 29.4–30.1 across 2 declared configurations

Scania S 540 A6x2/2

2021–2023 · 397 kW
28.9l/100 km
median; 28.9–30 across 4 declared configurations
Scania R 540 A6x2*4 and Scania S 540 A6x2/2 side by side
SpecificationScania R 540 A6x2*4Scania S 540 A6x2/2
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2020–2023Registeredcentral 90% of records2021–2023Registeredcentral 90% of records
Engine power397 kWDeclared397 kWDeclared
Engine displacement12.7 litresDeclared12.7 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Gross vehicle weight27,000–30,000 kgDeclaredmedian 27,000 kg, across 24 declared configurations24,000–28,000 kgDeclaredmedian 24,300 kg, across 104 declared configurations
Declared fuel, long haul30.1 l/100 km Declaredmedian; 29.4–30.1 l/100 km across 2 declared configurations28.9 l/100 km Declaredmedian; 28.9–30 l/100 km across 4 declared configurations
CO₂ per tonne-km40.9 g Declaredmedian; 39.82–40.9 g39.14 g Declaredmedian; 39.14–40.66 g

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

What the numbers actually say

There is 1.2 l/100 km between these two (4.1%). 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 1,440 litres a year (£2,016).

R 540 A6x2*4 full specificationS 540 A6x2/2 full specification

Fuel over a year

120,000 km · assumed price
Scania R 540 A6x2*436,120 litres
£50,568 at the assumed price
Scania S 540 A6x2/234,680 litres
£48,552 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.