Comparison · 4×2 tractor unit · long haul at 19.3 t

DAF XG+ 430 FT vs Mercedes-Benz Arocs, 315 kW, 4x2 tractor unit

Lower declared fuel

DAF XG+ 430 FT

2022–2026 · 315 kW
28.3l/100 km
median; 28.1–28.3 across 7 declared configurations

Mercedes-Benz Arocs, 315 kW, 4x2 tractor unit

2018–2023 · 315 kW
35.4l/100 km
median; 35.3–37.6 across 5 declared configurations
DAF XG+ 430 FT and Mercedes-Benz Arocs, 315 kW, 4x2 tractor unit side by side
SpecificationDAF XG+ 430 FTMercedes-Benz Arocs, 315 kW, 4x2 tractor unit
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2022–2026Registeredcentral 90% of records2018–2023Registeredcentral 90% of records
Engine power315 kWDeclared315 kWDeclared
Engine displacement12.9 litresDeclared10.7 litresDeclared
GearboxautomatedDeclaredautomated, manualDeclared
Emission classEURO VI ERegisteredEURO 6, EURO VI CRegistered
Gross vehicle weight19,000–20,500 kgRegisteredmedian 19,000 kg, across 7 type-approval versions and 2 records without one22,000–23,000 kgRegisteredmedian 22,000 kg, over 2 registrations
Kerb weight7,973–8,606 kgRegisteredmedian 8,496 kg, over 25 registrations7,925–13,300 kgRegisteredmedian 7,925 kg, over 2 registrations
Wheelbase4,000 mmRegistered3,610–3,900 mmRegisteredmedian 3,610 mm, over 2 registrations
Overall length6,280–6,520 mmRegisteredmedian 6,400 mm, over 25 registrations6,150–6,460 mmRegisteredmedian 6,150 mm, over 2 registrations
Overall height3,850–4,000 mmRegisteredmedian 3,850 mm, over 6 registrationsNot recorded
Declared fuel, long haul28.3 l/100 km Declaredmedian; 28.1–28.3 l/100 km across 7 declared configurations35.4 l/100 km Declaredmedian; 35.3–37.6 l/100 km across 5 declared configurations
CO₂ per tonne-km38.34 g Declaredmedian; 38.14–38.35 g48 g Declaredmedian; 47.92–51 g

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

What the numbers actually say

The DAF XG+ 430 FT declared 7.1 l/100 km less (25%) on the long haul at 19.3 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 8,520 litres a year, or £11,928. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
DAF XG+ 430 FT33,960 litres
£47,544 at the assumed price
Mercedes-Benz Arocs, 315 kW, 4x2 tractor unit42,480 litres
£59,472 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.