BMW 3 series 2008 vs Mercedes C class 2007

 
BMW 3 series
2008 - 2012
Mercedes C class
2007 - 2009
Gearbox: ManualManual
Engine: 2.0 Petrol1.8 Petrol
Camshaft drive: Timing chainTiming chain

Performance

Power: 143 HP156 HP
Torque: 190 NM230 NM
Acceleration 0-100 km/h: 9.1 seconds9.5 seconds
BMW 3 series engine produces 13 HP less power than Mercedes C class, whereas torque is 40 NM less than Mercedes C class. Despite less power, BMW 3 series reaches 100 km/h speed 0.4 seconds faster.

Fuel consumption

Fuel consumption (l/100km): 5.97.4
Real fuel consumption: 7.7 l/100km8.2 l/100km
The BMW 3 series is a better choice when it comes to fuel economy.
By specification BMW 3 series consumes 1.5 litres less fuel per 100 km than the Mercedes C class, which means that by driving the BMW 3 series over 15,000 km in a year you can save 225 litres of fuel.
By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.5 litres less fuel per 100 km than the Mercedes C class.
Fuel tank capacity: 63 litres66 litres
Full fuel tank distance: 1060 km in combined cycle890 km in combined cycle
1310 km on highway1170 km on highway
810 km with real consumption800 km with real consumption
BMW 3 series gets more mileage on one fuel tank.

Engines

Average engine lifespan: 350'000 km440'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a Mercedes C class engine could be longer.
Engine production duration: 6 years13 years
Engine spread: Installed on at least 2 other car models, including BMW 5 sērija, BMW 1 sērijaInstalled on at least 3 other car models, including Mercedes E klase, Mercedes CLK, Mercedes SLK
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes C class might be a better choice in this respect.
BMW 3 sērija 2008 2.0 engine: The BMW N43 engine is built around a lightweight alloy cylinder block with a twin-cam, 16-valve head. It uses a dual-pump fuel delivery system—one located inside the tank to transfer fuel and supply the high-pressure pump, which then boosts fuel pressure up to 200 bar. Notably, the system lacks a fine fuel filter and relies only on a ...  More about BMW 3 sērija 2008 2.0 engine 

Mercedes C klase 2007 1.8 engine: The most notable issue with this engine is the sticking of exhaust valves due to carbon buildup. Another significant problem is the unreliable timing chain, which can stretch by 100,000 km. Early symptoms of a ...  More about Mercedes C klase 2007 1.8 engine 

Dimensions

Length: 4.53 m4.58 m
Width: 1.82 m1.77 m
Height: 1.42 m1.45 m
BMW 3 series is 5 cm shorter than the Mercedes C class, 5 cm wider, while the height of BMW 3 series is 3 cm lower.
Trunk capacity: 460 litres475 litres
BMW 3 series has 15 litres less trunk space than the Mercedes C class.
Turning diameter: 11 meters10.8 meters
The turning circle of the BMW 3 series is 0.2 metres more than that of the Mercedes C class.
Gross weight (kg): 1`880no data
Safety: no data
Quality:
average

average
BMW 3 series has slightly fewer faults.
Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Mercedes C class, so BMW 3 series quality could be a bit better.
Average price (€): 58005600
Pros and Cons: BMW 3 sērija has
  • lower fuel consumption
  • more full fuel tank mileage
Mercedes C klase has
  • more power
  • longer expected engine lifespan
  • lower price
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