Comparison · 4×2 lorry · long haul at 14 t

Scania G 540 B4x2 vs Scania S 580 B4x2

Scania G 540 B4x2

2020–2022 · 397 kW

31l/100 km

median; across 1 declared configurations

Scania S 580 B4x2

2017–2022 · 427 kW

31.7l/100 km

median; across 1 declared configurations

Scania G 540 B4x2 and Scania S 580 B4x2 side by side
Specification	Scania G 540 B4x2	Scania S 580 B4x2
Vehicle form	Lorry (BA)Registered	Lorry (BA)Registered
Axle configuration	4×2Declared	4×2Declared
Registered new	2020–2022Registeredcentral 90% of records	2017–2022Registeredcentral 90% of records
Engine power	397 kWDeclared	427 kWDeclared
Engine displacement	12.7 litresDeclared	16.4 litresDeclared
Gearbox	automatedDeclared	automatedDeclared
Emission class	Not recorded	EURO VI C, EURO VI DRegistered
Gross vehicle weight	19,500–22,000 kgDeclaredmedian 20,500 kg, across 20 declared configurations	18,000–22,000 kgRegisteredmedian 19,000 kg, over 4 registrations
Kerb weight	Not recorded	10,464–14,425 kgRegisteredmedian 11,800 kg, over 4 registrations
Wheelbase	Not recorded	3,750–6,750 mmRegisteredmedian 4,950 mm, over 4 registrations
Overall length	Not recorded	7,500–11,970 mmRegisteredmedian 8,890 mm, over 4 registrations
Overall height	Not recorded	3,970 mmRegistered
Declared fuel, long haul	31 l/100 km Declaredmedian; across 1 declared configuration	31.7 l/100 km Declaredmedian; across 1 declared configuration
CO₂ per tonne-km	57.9 g Declaredmedian	59.2 g Declaredmedian

Fuel and CO₂: long haul at 14 t, 2022 declarations.

What the numbers actually say

There is 0.7 l/100 km between these two (2.2%). 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 840 litres a year (£1,176).

G 540 B4x2 full specification S 580 B4x2 full specification

Fuel over a year

120,000 km · assumed price

Scania G 540 B4x237,200 litres

£52,080 at the assumed price

Scania S 580 B4x238,040 litres

£53,256 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.