BMW Z3 1997 vs BMW Z4 2003
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 2.8 Petrol | 3.0 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 192 HP | 231 HP | |
| Torque: | 300 NM | 300 NM | |
| Acceleration 0-100 km/h: | 7.1 seconds | 5.9 seconds | |
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BMW Z4 is a more dynamic driving. BMW Z3 engine produces 39 HP less power than BMW Z4, the torque is the same for both cars. Due to the lower power, BMW Z3 reaches 100 km/h speed 1.2 seconds later. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 9.7 | 9.1 | |
| Real fuel consumption: | 10.2 l/100km | 9.4 l/100km | |
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The BMW Z4 is a better choice when it comes to fuel economy. By specification BMW Z3 consumes 0.6 litres more fuel per 100 km than the BMW Z4, which means that if you drive 15,000 km in a year, the BMW Z3 could require 90 litres more fuel. By comparing actual fuel consumption based on user reports, BMW Z3 consumes 0.8 litres more fuel per 100 km than the BMW Z4. | |||
| Fuel tank capacity: | 51 litres | 55 litres | |
| Full fuel tank distance: | 520 km in combined cycle | 600 km in combined cycle | |
| 690 km on highway | 830 km on highway | ||
| 500 km with real consumption | 580 km with real consumption | ||
| BMW Z4 gets more mileage on one fuel tank. | |||
Engines | |||
| Average engine lifespan: | 420'000 km | 460'000 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: | 7 years | 7 years | |
| Engine spread: | Installed on at least 3 other car models, including BMW 5 sērija, BMW 3 sērija, BMW 7 sērija | Installed on at least 6 other car models, including BMW 5 sērija, BMW 3 sērija, BMW X5, BMW 7 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: | 4.02 m | 4.09 m | |
| Width: | 1.74 m | 1.78 m | |
| Height: | 1.29 m | 1.30 m | |
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BMW Z3 is smaller. BMW Z3 is 7 cm shorter than the BMW Z4, 4 cm narrower, while the height of BMW Z3 is 1 cm lower. | |||
| Trunk capacity: | 165 litres | 300 litres | |
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BMW Z4 has more luggage space. BMW Z3 has 135 litres less trunk space than the BMW Z4. | |||
| Turning diameter: | 10 meters | 9.8 meters | |
| The turning circle of the BMW Z3 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`550 | 1`590 | |
| Safety: | no data | ||
| Quality: | BMW Z4 has fewer problems. According to annual technical inspection data BMW Z3 has serious deffects in 75 percent more cases than BMW Z4, so BMW Z4 quality is probably significantly better | ||
| Average price (€): | 7600 | 8400 | |
| Pros and Cons: |
BMW Z3 has
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BMW Z4 has
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