Mazda 6 2005 vs Opel Signum 2003
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 2.0 Diesel | 2.2 Diesel | |
| Camshaft drive: | Timing belt | Timing chain | |
| Timing belt usually needs to be replaced more often than the chain, but it is usually significantly cheaper. Timing belt motors are generally quieter and less vibrating than chain motors. | |||
Performance | |||
| Power: | 121 HP | 125 HP | |
| Torque: | 320 NM | 280 NM | |
| Acceleration 0-100 km/h: | 10.6 seconds | 11.2 seconds | |
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Mazda 6 is more dynamic to drive. Mazda 6 engine produces 4 HP less power than Opel Signum, but torque is 40 NM more than Opel Signum. Despite less power, Mazda 6 reaches 100 km/h speed 0.6 seconds faster. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 6.0 | 6.3 | |
| Real fuel consumption: | 6.6 l/100km | 6.3 l/100km | |
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By specification Mazda 6 consumes 0.3 litres less fuel per 100 km than the Opel Signum, which means that by driving the Mazda 6 over 15,000 km in a year you can save 45 litres of fuel. But when we compare the real fuel consumption reported by users, Mazda 6 consumes 0.3 litres more fuel per 100 km than the Opel Signum. | |||
| Fuel tank capacity: | 64 litres | 60 litres | |
| Full fuel tank distance: | 1060 km in combined cycle | 950 km in combined cycle | |
| 1250 km on highway | 1200 km on highway | ||
| 960 km with real consumption | 950 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: | 390'000 km | 480'000 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 Opel Signum engine could be longer. | |||
| Engine production duration: | 5 years | 5 years | |
| Engine spread: | Installed on at least 2 other car models, including Mazda 3, Mazda 5 | Installed on at least 3 other car models, including Opel Astra, Opel Zafira, Opel Vectra | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Opel Signum might be a better choice in this respect. | |||
| Hydraulic tappets: | no | yes | |
| 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. | |||
Dimensions | |||
| Length: | 4.69 m | 4.64 m | |
| Width: | 1.78 m | 1.80 m | |
| Height: | 1.44 m | 1.47 m | |
| Both cars are similar in size. Mazda 6 is 5 cm longer than the Opel Signum, 2 cm narrower, while the height of Mazda 6 is 3 cm lower. | |||
| Trunk capacity: | 492 litres | 365 litres | |
| Trunk max capacity: with rear seats folded down |
1662 litres | 1410 litres | |
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Mazda 6 has more luggage capacity. Mazda 6 has 127 litres more trunk space than the Opel Signum. The maximum boot capacity (with all rear seats folded down) is larger in Mazda 6 (by 252 litres). | |||
| Turning diameter: | 10.8 meters | 11.2 meters | |
| The turning circle of the Mazda 6 is 0.4 metres less than that of the Opel Signum. | |||
| Gross weight (kg): | 2`015 | 2`125 | |
| 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 (€): | 1600 | 1200 | |
| Rating in user reviews: | 7.7/10 | 7.6/10 | |
| Pros and Cons: |
Mazda 6 has
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Opel Signum has
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