Opel Signum 2007 vs Mazda 6 2008
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 2.8 Petrol | 2.0 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 250 HP | 147 HP | |
| Torque: | 350 NM | 184 NM | |
| Acceleration 0-100 km/h: | 7.6 seconds | 10.2 seconds | |
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Opel Signum is more dynamic to drive. Opel Signum engine produces 103 HP more power than Mazda 6, whereas torque is 166 NM more than Mazda 6. Thanks to more power Opel Signum reaches 100 km/h speed 2.6 seconds faster. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 10.6 | 7.1 | |
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The Mazda 6 is a better choice when it comes to fuel economy. Opel Signum consumes 3.5 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 525 litres more fuel. | |||
| Fuel tank capacity: | 60 litres | 64 litres | |
| Full fuel tank distance: | 560 km in combined cycle | 900 km in combined cycle | |
| 780 km on highway | 1160 km on highway | ||
| Mazda 6 gets more mileage on one fuel tank. | |||
Engines | |||
| Engine production duration: | 3 years | 13 years | |
| Engine spread: | Used also on 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. | |||
Dimensions | |||
| Length: | 4.65 m | 4.76 m | |
| Width: | 1.80 m | 1.80 m | |
| Height: | 1.47 m | 1.44 m | |
| Opel Signum is 11 cm shorter than the Mazda 6, width is practically the same , while the height of Opel Signum is 3 cm higher. | |||
| Trunk capacity: | 365 litres | 510 litres | |
| Trunk max capacity: with rear seats folded down |
1410 litres | 1702 litres | |
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Mazda 6 has more luggage space. Opel Signum has 145 litres less trunk space than the Mazda 6. The maximum boot capacity (with all rear seats folded down) is larger in Mazda 6 (by 292 litres). | |||
| Turning diameter: | 11.4 meters | 11.4 meters | |
| Power steering: | Hydraulic power steering | Electric power steering | |
| Hydraulic power steering is technologically more complex, louder, increases fuel consumption and requires more servicing. It has the advantages of more power, less strain on the car's electrical system and better feedback (feeling) when steering. | |||
| Gross weight (kg): | 2`175 | 1`950 | |
| Safety: | no data | ||
| Quality: | average | above average | |
| Mazda 6 has fewer problems. According to annual technical inspection data Opel Signum has serious deffects in 125 percent more cases than Mazda 6, so Mazda 6 quality is probably significantly better | |||
| Average price (€): | 2000 | 3200 | |
| Pros and Cons: |
Opel Signum has
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Mazda 6 has
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