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

Mercedes-Benz Arocs, 260 kW, 4x2 rigid lorry vs Mercedes-Benz Econic, 260 kW, 4x2 rigid lorry

Lower declared fuel

Mercedes-Benz Arocs, 260 kW, 4x2 rigid lorry

2020–2023 · 260 kW
34.1l/100 km
median; 32.2–39.7 across 28 declared configurations

Mercedes-Benz Econic, 260 kW, 4x2 rigid lorry

2020–2023 · 260 kW
42.1l/100 km
median; across 1 declared configurations
Mercedes-Benz Arocs, 260 kW, 4x2 rigid lorry and Mercedes-Benz Econic, 260 kW, 4x2 rigid lorry side by side
SpecificationMercedes-Benz Arocs, 260 kW, 4x2 rigid lorryMercedes-Benz Econic, 260 kW, 4x2 rigid lorry
Vehicle formLorry (BA)RegisteredLorry (BA)Registered
Axle configuration4×2Declared4×2Declared
Registered new2020–2023Registeredcentral 90% of records2020–2023Registeredcentral 90% of records
Engine power260 kWDeclared260 kWDeclared
Engine displacement7.7 litresDeclared7.7 litresDeclared
Gearboxautomated, manualDeclaredautomated, automaticDeclared
Gross vehicle weight18,000–20,500 kgDeclaredmedian 19,000 kg, across 82 declared configurations18,000–20,000 kgDeclaredmedian 20,000 kg, across 30 declared configurations
Declared fuel, long haul34.1 l/100 km Declaredmedian; 32.2–39.7 l/100 km across 28 declared configurations42.1 l/100 km Declaredmedian; across 1 declared configuration
CO₂ per tonne-km63.82 g Declaredmedian; 60.22–74.28 g78.73 g Declaredmedian

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

What the numbers actually say

The Mercedes-Benz Arocs, 260 kW, 4x2 rigid lorry declared 8 l/100 km less (23.4%) on the long haul at 14 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 9,600 litres a year, or £13,440. A gap this size is outside the 10% tolerance of declared figures.

Fuel over a year

120,000 km · assumed price
Mercedes-Benz Arocs, 260 kW, 4x2 rigid lorry40,920 litres
£57,288 at the assumed price
Mercedes-Benz Econic, 260 kW, 4x2 rigid lorry50,520 litres
£70,728 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.