Mercedes CLS 2006 vs Mazda RX-8 2003

 
Mercedes CLS
2006 - 2008
Mazda RX-8
2003 - 2008
Gearbox: AutomaticManual
Engine: 3.0 Diesel1.3 Petrol
Diesel (Mercedes CLS) engines typically outperform gasoline engines in terms of fuel efficiency and low-end torque. This makes them more economical and better suited for towing or long-distance travel. However, gasoline (Mazda RX-8) engines mostly are lighter, quieter, and offer better acceleration and responsiveness, especially in smaller vehicles. For more information, see the article "Diesel or Petrol: Fuel Economy and Key Differences."

Performance

Power: 224 HP192 HP
Torque: 540 NM220 NM
Acceleration 0-100 km/h: 7 seconds7.2 seconds
Mercedes CLS is more dynamic to drive.
Mercedes CLS engine produces 32 HP more power than Mazda RX-8, whereas torque is 320 NM more than Mazda RX-8. Thanks to more power Mercedes CLS reaches 100 km/h speed 0.2 seconds faster.

Fuel consumption

Fuel consumption (l/100km): 7.610.8
Real fuel consumption: 8.3 l/100km13.0 l/100km
The Mercedes CLS is a better choice when it comes to fuel economy.
By specification Mercedes CLS consumes 3.2 litres less fuel per 100 km than the Mazda RX-8, which means that by driving the Mercedes CLS over 15,000 km in a year you can save 480 litres of fuel.
By comparing actual fuel consumption based on user reports, Mercedes CLS consumes 4.7 litres less fuel per 100 km than the Mazda RX-8.
Fuel tank capacity: 80 litres61 litres
Full fuel tank distance: 1050 km in combined cycle560 km in combined cycle
1350 km on highway730 km on highway
960 km with real consumption460 km with real consumption
Mercedes CLS gets more mileage on one fuel tank.
Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy.

Engines

Engine production duration: 21 years9 years
Engine spread: Installed on at least 9 other car models, including Mercedes C klase, Mercedes E klase, Mercedes ML, Mercedes G klaseUsed only for this car
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes CLS might be a better choice in this respect.
Hydraulic tappets: yesno
The Mercedes CLS engine has hydraulic tappets (lifters), providing quieter operation and no need for periodic adjustment, but they are more complex in design and can cause serious engine damage in case of failure.
Mercedes CLS 2006 3.0 engine: A reliable yet dynamic engine. Frequent oil leaks, engine crankcase ventilation problems.

Mazda RX-8 2003 1.3 engine: This rotor motor is very specific and capricious. It will suit the true enthusiast who is prepared to put up with high fuel and oil consumption as well as relatively frequent maintenance and repair work.

Dimensions

Length: 4.91 m4.43 m
Width: 1.85 m1.77 m
Height: 1.40 m1.34 m
Mercedes CLS is larger.
Mercedes CLS is 48 cm longer than the Mazda RX-8, 8 cm wider, while the height of Mercedes CLS is 6 cm higher.
Trunk capacity: 505 litres290 litres
Trunk max capacity:
with rear seats folded down
no data290 litres
Mercedes CLS has more luggage capacity.
Mercedes CLS has 215 litres more trunk space than the Mazda RX-8.
Turning diameter: 11.2 meters10.6 meters
The turning circle of the Mercedes CLS is 0.6 metres more than that of the Mazda RX-8, which means Mercedes CLS can be harder to manoeuvre in tight streets and parking spaces.
Gross weight (kg): 2`2801`820
Safety: no datano data
Quality:
below average
no data
Average price (€): 52005000
Pros and Cons: Mercedes CLS has
  • more power
  • lower fuel consumption
  • more full fuel tank mileage
  • roomier boot
Mazda RX-8 has
  • better manoeuvrability
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