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

Scania G 450 A6x2/2, tractor unit (2019–2022) vs Scania R 450 A6x2/2, tractor unit (2019–2022)

Scania G 450 A6x2/2, tractor unit (2019–2022)

2019–2022 · 331 kW

33.5l/100 km

median; 33.4–35.4 across 3 declared configurations

Lower declared fuel

Scania R 450 A6x2/2, tractor unit (2019–2022)

2019–2022 · 331 kW

29.6l/100 km

median; 29.6–30.5 across 2 declared configurations

Scania G 450 A6x2/2, tractor unit (2019–2022) and Scania R 450 A6x2/2, tractor unit (2019–2022) side by side
Specification	Scania G 450 A6x2/2, tractor unit (2019–2022)	Scania R 450 A6x2/2, tractor unit (2019–2022)
Vehicle form	Tractor unit for semi-trailer (BC)Registered	Tractor unit for semi-trailer (BC)Registered
Axle configuration	6×2Declared	6×2Declared
Registered new	2019–2022Registeredcentral 90% of records	2019–2022Registeredcentral 90% of records
Engine power	331 kWDeclared	331 kWDeclared
Engine displacement	12.7 litresDeclared	12.7 litresDeclared
Gearbox	automatedDeclared	automatedDeclared
Emission class	Not recorded	EURO 6Registered
Gross vehicle weight	24,000–28,000 kgDeclaredmedian 24,300 kg, across 36 declared configurations	25,500 kgRegistered
Kerb weight	Not recorded	8,815 kgRegistered
Wheelbase	Not recorded	4,050 mmRegistered
Overall length	Not recorded	6,400 mmRegistered
Declared fuel, long haul	33.5 l/100 km Declaredmedian; 33.4–35.4 l/100 km across 3 declared configurations	29.6 l/100 km Declaredmedian; 29.6–30.5 l/100 km across 2 declared configurations
CO₂ per tonne-km	45.4 g Declaredmedian; 45.3–48 g	40.15 g Declaredmedian; 40.15–41.33 g

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

What the numbers actually say

The Scania R 450 A6x2/2, tractor unit (2019–2022) declared 3.9 l/100 km less (13.1%) on the long haul at 19.3 t, 2021 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 4,680 litres a year, or £6,552. A gap this size is outside the 10% tolerance of declared figures.

G 450 A6x2/2, tractor unit (2019–2022) full specification R 450 A6x2/2, tractor unit (2019–2022) full specification

Fuel over a year

120,000 km · assumed price

Scania G 450 A6x2/2, tractor unit (2019–2022)40,200 litres

£56,280 at the assumed price

Scania R 450 A6x2/2, tractor unit (2019–2022)35,520 litres

£49,728 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.