BMW 3 series 2003 vs BMW Z4 2003
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 2.0 Petrol | 2.5 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 143 HP | 192 HP | |
| Torque: | 200 NM | 245 NM | |
| Acceleration 0-100 km/h: | 10 seconds | 7 seconds | |
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BMW Z4 is a more dynamic driving. BMW 3 series engine produces 49 HP less power than BMW Z4, whereas torque is 45 NM less than BMW Z4. Due to the lower power, BMW 3 series reaches 100 km/h speed 3 seconds later. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 7.8 | 8.9 | |
| Real fuel consumption: | 8.3 l/100km | 9.5 l/100km | |
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The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 1.1 litres less fuel per 100 km than the BMW Z4, which means that by driving the BMW 3 series over 15,000 km in a year you can save 165 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 1.2 litres less fuel per 100 km than the BMW Z4. | |||
| Fuel tank capacity: | 63 litres | 55 litres | |
| Full fuel tank distance: | 800 km in combined cycle | 610 km in combined cycle | |
| 1030 km on highway | 790 km on highway | ||
| 750 km with real consumption | 570 km with real consumption | ||
| BMW 3 series gets more mileage on one fuel tank. | |||
| Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy. | |||
Engines | |||
| Average engine lifespan: | 380'000 km | 440'000 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: | 6 years | 7 years | |
| Engine spread: | Used only for this car | Installed on at least 3 other car models, including BMW 5 sērija, BMW 3 sērija, BMW X3 | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW Z4 might be a better choice in this respect. | |||
Dimensions | |||
| Length: | 4.49 m | 4.09 m | |
| Width: | 1.76 m | 1.78 m | |
| Height: | 1.37 m | 1.30 m | |
| BMW 3 series is 40 cm longer than the BMW Z4, 2 cm narrower, while the height of BMW 3 series is 7 cm higher. | |||
| Trunk capacity: | 260 litres | 240 litres | |
| Trunk max capacity: with rear seats folded down |
300 litres | 260 litres | |
| BMW 3 series has 20 litres more trunk space than the BMW Z4. The maximum boot capacity (with all rear seats folded down) is larger in BMW 3 series (by 40 litres). | |||
| Turning diameter: | 10 meters | 9.8 meters | |
| The turning circle of the BMW 3 series is 0.2 metres more than that of the BMW Z4. | |||
| 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): | 1`925 | 1`560 | |
| Safety: | |||
| Quality: | average | above average | |
| BMW Z4 has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 10 percent more cases than BMW Z4, so BMW Z4 quality is probably slightly better | |||
| Average price (€): | 6200 | 8400 | |
| Pros and Cons: |
BMW 3 sērija has
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BMW Z4 has
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