Opel Signum 2003 vs Mazda 6 2005
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 2.2 Petrol | 2.0 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 155 HP | 147 HP | |
| Torque: | 220 NM | 184 NM | |
| Acceleration 0-100 km/h: | 9.8 seconds | 9.9 seconds | |
| Opel Signum engine produces 8 HP more power than Mazda 6, whereas torque is 36 NM more than Mazda 6. Thanks to more power Opel Signum reaches 100 km/h speed 0.1 seconds faster. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 8.1 | 8.0 | |
| Real fuel consumption: | 8.9 l/100km | 8.3 l/100km | |
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The Mazda 6 is a better choice when it comes to fuel economy. By specification Opel Signum consumes 0.1 litres more fuel per 100 km than the Mazda 6, which means that if you drive 15,000 km in a year, the Opel Signum could require 15 litres more fuel. By comparing actual fuel consumption based on user reports, Opel Signum consumes 0.6 litres more fuel per 100 km than the Mazda 6. | |||
| Fuel tank capacity: | 60 litres | 64 litres | |
| Full fuel tank distance: | 740 km in combined cycle | 800 km in combined cycle | |
| 900 km on highway | 1010 km on highway | ||
| 670 km with real consumption | 770 km with real consumption | ||
| Mazda 6 gets more mileage on one fuel tank. | |||
| Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy. | |||
Engines | |||
| Average engine lifespan: | 350'000 km | 420'000 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 Mazda 6 engine could be longer. | |||
| Engine production duration: | 7 years | 13 years | |
| Engine spread: | Installed on at least 2 other car models, including Opel Zafira, Opel Vectra | Installed on at least 4 other car models, including Mazda 3, Mazda MX-5, Mazda 5, Mazda CX-5 | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mazda 6 might be a better choice in this respect. | |||
| Hydraulic tappets: | yes | no | |
| The Opel Signum 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. | |||
| Mazda 6 2005 2.0 engine: The engine tends to idle unevenly. Engine problems may also include the thermostat and cooling pump. This engine tends to consume more oil at higher mileages. | |||
Dimensions | |||
| Length: | 4.64 m | 4.69 m | |
| Width: | 1.80 m | 1.78 m | |
| Height: | 1.47 m | 1.44 m | |
| Both cars are similar in size. Opel Signum is 5 cm shorter than the Mazda 6, 2 cm wider, while the height of Opel Signum is 3 cm higher. | |||
| Trunk capacity: | 365 litres | 492 litres | |
| Trunk max capacity: with rear seats folded down |
1410 litres | 1662 litres | |
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Mazda 6 has more luggage space. Opel Signum has 127 litres less trunk space than the Mazda 6. The maximum boot capacity (with all rear seats folded down) is larger in Mazda 6 (by 252 litres). | |||
| Turning diameter: | 11.2 meters | 10.8 meters | |
| The turning circle of the Opel Signum is 0.4 metres more than that of the Mazda 6. | |||
| Gross weight (kg): | 2`050 | 1`885 | |
| Safety: | |||
| Quality: | average | average | |
| Opel Signum has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Mazda 6, so Opel Signum quality could be a bit better. | |||
| Average price (€): | 1200 | 1600 | |
| Rating in user reviews: | 7.6/10 | 7.7/10 | |
| Pros and Cons: |
Opel Signum has
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Mazda 6 has
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