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

Scania R 520 A6x2*4 vs Scania S 520 A6x2/2, tractor unit (2019–2020)

Scania R 520 A6x2*4

2019–2022 · 382 kW
33.2l/100 km
median; 33.2–33.3 across 2 declared configurations

Scania S 520 A6x2/2, tractor unit (2019–2020)

2019–2020 · 382 kW
32l/100 km
median; 32–33.2 across 2 declared configurations
Scania R 520 A6x2*4 and Scania S 520 A6x2/2, tractor unit (2019–2020) side by side
SpecificationScania R 520 A6x2*4Scania S 520 A6x2/2, tractor unit (2019–2020)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2019–2022Registeredcentral 90% of records2019–2020Registeredcentral 90% of records
Engine power382 kWDeclared382 kWDeclared
Engine displacement16.4 litresDeclared16.4 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Gross vehicle weight27,000–29,000 kgDeclaredmedian 28,000 kg, across 15 declared configurations24,300–27,000 kgDeclaredmedian 25,300 kg, across 21 declared configurations
Declared fuel, long haul33.2 l/100 km Declaredmedian; 33.2–33.3 l/100 km across 2 declared configurations32 l/100 km Declaredmedian; 32–33.2 l/100 km across 2 declared configurations
CO₂ per tonne-km45 g Declaredmedian; 45–45.1 g43.4 g Declaredmedian; 43.4–45 g

Fuel and CO₂: long haul at 19.3 t, 2021 declarations.

What the numbers actually say

There is 1.2 l/100 km between these two (3.7%). 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 520 A6x2*4 full specificationS 520 A6x2/2, tractor unit (2019–2020) full specification

Fuel over a year

120,000 km · assumed price
Scania R 520 A6x2*439,840 litres
£55,776 at the assumed price
Scania S 520 A6x2/2, tractor unit (2019–2020)38,400 litres
£53,760 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.