Opel Signum 2007 vs Opel Astra 2004
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 1.9 Diesel | 1.9 Diesel | |
| Camshaft drive: | Timing belt | Timing belt | |
Performance | |||
| Power: | 120 HP | 150 HP | |
| Torque: | 280 NM | 320 NM | |
| Acceleration 0-100 km/h: | 12 seconds | 8.9 seconds | |
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Opel Astra is a more dynamic driving. Opel Signum engine produces 30 HP less power than Opel Astra, whereas torque is 40 NM less than Opel Astra. Due to the lower power, Opel Signum reaches 100 km/h speed 3.1 seconds later. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 5.9 | 5.8 | |
| Real fuel consumption: | 5.9 l/100km | 6.5 l/100km | |
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The Opel Signum 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 more fuel per 100 km than the Opel Astra, which means that if you drive 15,000 km in a year, the Opel Signum could require 15 litres more fuel. But when we compare the real fuel consumption reported by users, Opel Signum consumes 0.6 litres less fuel per 100 km than the Opel Astra. | |||
| Fuel tank capacity: | 60 litres | 52 litres | |
| Full fuel tank distance: | 1010 km in combined cycle | 890 km in combined cycle | |
| 1010 km with real consumption | 800 km with real consumption | ||
| Opel Signum gets more mileage on one fuel tank. | |||
Engines | |||
| Average engine lifespan: | 470'000 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 Opel Signum engine could be longer. | |||
| Engine production duration: | 6 years | 6 years | |
| Engine spread: | Installed on at least 3 other car models, including Opel Astra, Opel Zafira, Opel Vectra | Installed on at least 3 other car models, including Opel Zafira, Opel Vectra, Opel Signum | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. | |||
| Hydraulic tappets: | no | yes | |
| The Opel Astra 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 | 4.25 m | |
| Width: | 1.80 m | 1.75 m | |
| Height: | 1.47 m | 1.46 m | |
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Opel Signum is larger. Opel Signum is 40 cm longer than the Opel Astra, 5 cm wider, while the height of Opel Signum is 1 cm higher. | |||
| Trunk capacity: | 365 litres | 380 litres | |
| Trunk max capacity: with rear seats folded down |
1410 litres | 1330 litres | |
| Despite its longer length, Opel Signum has 15 litres less trunk space than the Opel Astra. This could mean that the Opel Signum uses more space in the cabin, so the driver and passengers could be more spacious and comfortable. The maximum boot capacity (with all rear seats folded down) is larger in Opel Signum (by 80 litres). | |||
| Turning diameter: | 11.4 meters | 10.5 meters | |
| The turning circle of the Opel Signum is 0.9 metres more than that of the Opel Astra, which means Opel Signum can be harder to manoeuvre in tight streets and parking spaces. | |||
| Gross weight (kg): | no data | 1`885 | |
| Safety: | no data | ||
| 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 Opel Astra, so Opel Signum quality could be a bit better. | |||
| Average price (€): | 2000 | 1200 | |
| Pros and Cons: |
Opel Signum has
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Opel Astra has
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