BMW Z4 2006 vs Alfa Romeo Spider 2003
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 2.0 Petrol | 2.0 Petrol | |
| Camshaft drive: | Timing chain | Timing belt | |
| Engine chain usually needs to be replaced less often than the timing belt, but the cost of replacing the chain is usually higher. Chain motors are considered to be more reliable, but noisier and more vibration generating. | |||
Performance | |||
| Power: | 150 HP | 150 HP | |
| Torque: | 200 NM | 181 NM | |
| Acceleration 0-100 km/h: | 8.2 seconds | 8.5 seconds | |
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BMW Z4 is more dynamic to drive. BMW Z4 and Alfa Romeo Spider have the same engine power, but BMW Z4 torque is 19 NM more than Alfa Romeo Spider. BMW Z4 reaches 100 km/h speed 0.3 seconds faster. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 7.5 | 9.2 | |
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The BMW Z4 is a better choice when it comes to fuel economy. BMW Z4 consumes 1.7 litres less fuel per 100 km than the Alfa Romeo Spider, which means that by driving the BMW Z4 over 15,000 km in a year you can save 255 litres of fuel. | |||
| Fuel tank capacity: | 55 litres | 70 litres | |
| Full fuel tank distance: | 730 km in combined cycle | 760 km in combined cycle | |
| 980 km on highway | 1020 km on highway | ||
| Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy. | |||
Drive type | |||
| Wheel drive type: | Rear wheel drive (RWD) | Front wheel drive (FWD) | |
| Front-wheel drive cars (Alfa Romeo Spider) have better traction on slippery roads and when climbing hills, better fuel economy, and are less expensive to purchase. On the disadvantage side, FWD cars usually have less towing capacity, poorer acceleration and harder handling. Rear-wheel drive cars (BMW Z4) have better handling on dry roads, better acceleration, more even weight distribution and more fun to drive. RWD is also better for towing large loads. The cons of rear-wheel drive are less interior and trunk space and more difficulty maneuvering in wet and snowy conditions. | |||
Engines | |||
| Average engine lifespan: | 420'000 km | 280'000 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 BMW Z4 engine could be longer. | |||
| Engine production duration: | 11 years | 10 years | |
| Engine spread: | Installed on at least 4 other car models, including BMW 3 sērija, BMW 1 sērija, BMW X3, BMW X1 | Installed on at least 4 other car models, including Alfa Romeo 156, Alfa Romeo 166, Alfa Romeo 147 | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. | |||
Dimensions | |||
| Length: | 4.09 m | 4.30 m | |
| Width: | 1.78 m | 1.78 m | |
| Height: | 1.30 m | 1.32 m | |
| BMW Z4 is 21 cm shorter than the Alfa Romeo Spider, width is practically the same , while the height of BMW Z4 is 2 cm lower. | |||
| Trunk capacity: | 240 litres | 147 litres | |
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BMW Z4 has more luggage capacity. Even though the car is shorter, BMW Z4 has 93 litres more trunk space than the Alfa Romeo Spider. The Alfa Romeo Spider may have more interior space, so the cabin could be more spacious and more comfortable for the driver and passengers. | |||
| Turning diameter: | 9.8 meters | 11.2 meters | |
| The turning circle of the BMW Z4 is 1.4 metres less than that of the Alfa Romeo Spider, which means BMW Z4 can be easier to manoeuvre in tight streets and parking spaces. | |||
| Gross weight (kg): | 1`520 | 1`680 | |
| Safety: | no data | no data | |
| Quality: | average | no data | |
| Average price (€): | 10 400 | 6000 | |
| Pros and Cons: |
BMW Z4 has
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Alfa Romeo Spider has
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