Opel Signum 2005 vs Mazda 6 2005
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 1.8 Petrol | 1.8 Petrol | |
| 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: | 140 HP | 120 HP | |
| Torque: | 175 NM | 165 NM | |
| Acceleration 0-100 km/h: | 11.3 seconds | 11 seconds | |
| Opel Signum engine produces 20 HP more power than Mazda 6, whereas torque is 10 NM more than Mazda 6. Despite the higher power, Opel Signum reaches 100 km/h speed 0.3 seconds later. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 7.7 | 7.8 | |
| Real fuel consumption: | 8.7 l/100km | 8.3 l/100km | |
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The Mazda 6 is a better choice in terms of fuel economy based on user-reported consumption, although the specification shows otherwise. By specification Opel Signum consumes 0.1 litres less fuel per 100 km than the Mazda 6, which means that by driving the Opel Signum over 15,000 km in a year you can save 15 litres of fuel. But when we compare the real fuel consumption reported by users, Opel Signum consumes 0.4 litres more fuel per 100 km than the Mazda 6. | |||
| Fuel tank capacity: | 60 litres | 64 litres | |
| Full fuel tank distance: | 770 km in combined cycle | 820 km in combined cycle | |
| 980 km on highway | 1060 km on highway | ||
| 680 km with real consumption | 770 km with real consumption | ||
| Mazda 6 gets more mileage on one fuel tank. | |||
Engines | |||
| Engine production duration: | 5 years | 10 years | |
| Engine spread: | Installed on at least 3 other car models, including Opel Astra, Opel Zafira, Opel Vectra | Used 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. | |||
| Opel Signum 2005 1.8 engine: Reliable and easy to repair engine, spare parts available. Main problems - oil leaks from heat exchanger and faulty phase regulator. Mazda 6 2005 1.8 engine: The engine often has an unstable idle speed. The thermostat, cooling pump, and alternator are weak points. | |||
Dimensions | |||
| Length: | 4.65 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 4 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: | 11.4 meters | 10.8 meters | |
| The turning circle of the Opel Signum is 0.6 metres more than that of the Mazda 6, which means Opel Signum can be harder to manoeuvre in tight streets and parking spaces. | |||
| Gross weight (kg): | 2`020 | 1`870 | |
| Safety: | no data | ||
| Quality: | average | average | |
| Mazda 6 has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Opel Signum, so Mazda 6 quality could be a bit better. | |||
| Average price (€): | 2000 | 1600 | |
| Pros and Cons: |
Opel Signum has
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Mazda 6 has
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