Mazda 6 2005 vs Opel Signum 2003
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 2.0 Petrol | 2.2 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 147 HP | 155 HP | |
| Torque: | 184 NM | 220 NM | |
| Acceleration 0-100 km/h: | 9.9 seconds | 9.8 seconds | |
| Mazda 6 engine produces 8 HP less power than Opel Signum, whereas torque is 36 NM less than Opel Signum. Due to the lower power, Mazda 6 reaches 100 km/h speed 0.1 seconds later. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 8.0 | 8.1 | |
| Real fuel consumption: | 8.4 l/100km | 8.9 l/100km | |
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The Mazda 6 is a better choice when it comes to fuel economy. By specification Mazda 6 consumes 0.1 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 15 litres of fuel. By comparing actual fuel consumption based on user reports, Mazda 6 consumes 0.5 litres less fuel per 100 km than the Opel Signum. | |||
| Fuel tank capacity: | 64 litres | 60 litres | |
| Full fuel tank distance: | 800 km in combined cycle | 740 km in combined cycle | |
| 1010 km on highway | 900 km on highway | ||
| 760 km with real consumption | 670 km with real consumption | ||
| Mazda 6 gets more mileage on one fuel tank. | |||
Engines | |||
| Average engine lifespan: | 420'000 km | 350'000 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: | 13 years | 7 years | |
| Engine spread: | Installed on at least 4 other car models, including Mazda 3, Mazda MX-5, Mazda 5, Mazda CX-5 | Installed on at least 2 other car models, including 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. Mazda 6 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. | |||
| 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: | 4.69 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): | 1`885 | 2`050 | |
| 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 | 1400 | |
| 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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