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

MAN TGS 18.400 4x2, 9 L, tractor unit (2019–2022) vs Mercedes-Benz Actros, 350 kW, 4x2 tractor unit (2019–2022)

MAN TGS 18.400 4x2, 9 L, tractor unit (2019–2022)

2019–2022 · 294 kW
34.4l/100 km
median; 29.8–36.8 across 87 declared configurations

Mercedes-Benz Actros, 350 kW, 4x2 tractor unit (2019–2022)

2019–2022 · 350 kW
31.8l/100 km
median; 28.5–40.6 across 2,311 declared configurations
MAN TGS 18.400 4x2, 9 L, tractor unit (2019–2022) and Mercedes-Benz Actros, 350 kW, 4x2 tractor unit (2019–2022) side by side
SpecificationMAN TGS 18.400 4x2, 9 L, tractor unit (2019–2022)Mercedes-Benz Actros, 350 kW, 4x2 tractor unit (2019–2022)
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration4×2Declared4×2Declared
Registered new2019–2022Registeredcentral 90% of records2019–2022Registeredcentral 90% of records
Engine power294 kWDeclared350 kWDeclared
Engine displacement9 litresDeclared12.8 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classEURO 6, EURO VI D, EURO VI ERegisteredEURO VI, EURO VI A, EURO VI C, EURO VI DRegistered
Gross vehicle weight18,600–20,500 kgRegisteredmedian 20,500 kg, across 6 type-approval versions and 1 record without one18,000–22,000 kgRegisteredmedian 19,000 kg, across 69 type-approval versions and 106 records without one
Kerb weight6,588–7,264 kgRegisteredmedian 6,992 kg, over 19 registrations7,455–8,755 kgRegisteredmedian 8,163 kg, over 248 registrations
Wheelbase3,600 mmRegistered3,550–4,000 mmRegisteredmedian 3,700 mm, over 248 registrations
Overall length5,780–5,980 mmRegisteredmedian 5,980 mm, over 19 registrations5,880–6,600 mmRegisteredmedian 6,180 mm, over 248 registrations
Overall height3,400–3,900 mmRegisteredmedian 3,850 mm, over 19 registrations3,600–4,000 mmRegisteredmedian 3,960 mm, over 70 registrations
Declared fuel, long haul34.4 l/100 km Declaredmedian; 29.8–36.8 l/100 km across 87 declared configurations31.8 l/100 km Declaredmedian; 28.5–40.6 l/100 km across 2,311 declared configurations
CO₂ per tonne-km46.6 g Declaredmedian; 40.4–49.9 g43.1 g Declaredmedian; 38.7–55.1 g

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

What the numbers actually say

There is 2.6 l/100 km between these two (8.1%). 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 3,120 litres a year (£4,368). The declared figures for one of them alone span 12.1 l/100 km across its configurations, so the specification ordered matters more than the choice between these two.

Fuel over a year

120,000 km · assumed price
MAN TGS 18.400 4x2, 9 L, tractor unit (2019–2022)41,280 litres
£57,792 at the assumed price
Mercedes-Benz Actros, 350 kW, 4x2 tractor unit (2019–2022)38,160 litres
£53,424 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.