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

Scania R 770 A6x2/4 vs Scania S 730 A6x2, tractor unit (2016–2022)

Scania R 770 A6x2/4

2021–2023 · 566 kW
31.3l/100 km
median; 31.3–32 across 2 declared configurations

Scania S 730 A6x2, tractor unit (2016–2022)

2016–2022 · 537 kW
34l/100 km
median; 34–34.5 across 2 declared configurations
Scania R 770 A6x2/4 and Scania S 730 A6x2, tractor unit (2016–2022) side by side
SpecificationScania R 770 A6x2/4Scania S 730 A6x2, tractor unit (2016–2022)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×2Declared6×2Declared
Registered new2021–2023Registeredcentral 90% of records2016–2022Registeredcentral 90% of records
Engine power566 kWDeclared537 kWDeclared
Engine displacement16.4 litresDeclared16.4 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classNot recordedEURO VIRegistered
Gross vehicle weight25,800–28,000 kgDeclaredmedian 27,000 kg, across 11 declared configurations28,000 kgRegistered
Kerb weightNot recorded10,475 kgRegistered
WheelbaseNot recorded4,670 mmRegistered
Overall lengthNot recorded7,400 mmRegistered
Declared fuel, long haul31.3 l/100 km Declaredmedian; 31.3–32 l/100 km across 2 declared configurations34 l/100 km Declaredmedian; 34–34.5 l/100 km across 2 declared configurations
CO₂ per tonne-km42.41 g Declaredmedian; 42.41–43.42 g46.1 g Declaredmedian; 46.1–46.8 g

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

What the numbers actually say

There is 2.7 l/100 km between these two (8.6%). 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 3,240 litres a year (£4,536).

Fuel over a year

120,000 km · assumed price
Scania R 770 A6x2/437,560 litres
£52,584 at the assumed price
Scania S 730 A6x2, tractor unit (2016–2022)40,800 litres
£57,120 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.