Comparison · 8×4 lorry · construction at 12.9 t

DAF XF 530 FAW, lorry (from 2021) vs Mercedes-Benz Arocs, 390 kW, 8x4 rigid lorry

Lower declared fuel

DAF XF 530 FAW, lorry (from 2021)

2021–2026 · 390 kW

41.2l/100 km

median; 40.2–42.2 across 11 declared configurations

Mercedes-Benz Arocs, 390 kW, 8x4 rigid lorry

2018–2024 · 390 kW

45.5l/100 km

median; 42.5–47.7 across 51 declared configurations

DAF XF 530 FAW, lorry (from 2021) and Mercedes-Benz Arocs, 390 kW, 8x4 rigid lorry side by side
Specification	DAF XF 530 FAW, lorry (from 2021)	Mercedes-Benz Arocs, 390 kW, 8x4 rigid lorry
Vehicle form	Lorry (BA)Registered	Lorry (BA)Registered
Axle configuration	8×4Declared	8×4Declared
Registered new	2021–2026Registeredcentral 90% of records	2018–2024Registeredcentral 90% of records
Engine power	390 kWDeclared	390 kWDeclared
Engine displacement	12.9 litresDeclared	12.8 litresDeclared
Gearbox	automated, manualDeclared	automated, manualDeclared
Emission class	EURO VI D, EURO VI ERegistered	EURO VI, EURO VI C, EURO VI D, EURO VI ERegistered
Gross vehicle weight	43,000–44,000 kgRegisteredmedian 44,000 kg, over 21 registrations	34,000–47,000 kgRegisteredmedian 37,000 kg, across 2 type-approval versions and 57 records without one
Kerb weight	10,761–23,573 kgRegisteredmedian 14,745 kg, over 21 registrations	14,600–28,730 kgRegisteredmedian 24,360 kg, over 59 registrations
Wheelbase	6,160–7,660 mmRegisteredmedian 6,660 mm, over 21 registrations	5,590–7,200 mmRegisteredmedian 6,900 mm, over 59 registrations
Overall length	8,720–11,100 mmRegisteredmedian 9,300 mm, over 21 registrations	8,350–11,100 mmRegisteredmedian 10,700 mm, over 59 registrations
Overall height	3,230–3,980 mmRegisteredmedian 3,500 mm, over 18 registrations	3,600–4,000 mmRegisteredmedian 3,930 mm, over 29 registrations
Declared fuel, construction	41.2 l/100 km Declaredmedian; 40.2–42.2 l/100 km across 11 declared configurations	45.5 l/100 km Declaredmedian; 42.5–47.7 l/100 km across 51 declared configurations
CO₂ per tonne-km	83.5 g Declaredmedian; 81.6–85.7 g	92.19 g Declaredmedian; 86.29–96.85 g

Fuel and CO₂: construction at 12.9 t, 2022 declarations.

What the numbers actually say

The DAF XF 530 FAW, lorry (from 2021) declared 4.3 l/100 km less (10.4%) on the construction at 12.9 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 5,160 litres a year, or £7,224. A gap this size is outside the 10% tolerance of declared figures.

XF 530 FAW, lorry (from 2021) full specification Arocs, 390 kW, 8x4 rigid lorry full specification The fuel ranking

Fuel over a year

120,000 km · assumed price

DAF XF 530 FAW, lorry (from 2021)49,440 litres

£69,216 at the assumed price

Mercedes-Benz Arocs, 390 kW, 8x4 rigid lorry54,600 litres

£76,440 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.