BMW 1 series 2004 vs BMW 3 series 2001
| Gearbox: | Manual | Manual | |
|---|---|---|---|
| Engine: | 1.6 Petrol | 1.8 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 116 HP | 116 HP | |
| Torque: | 150 NM | 175 NM | |
| Acceleration 0-100 km/h: | 11 seconds | 11 seconds | |
| BMW 1 series and BMW 3 series have the same engine power, but BMW 1 series torque is 25 NM less than BMW 3 series. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 7.5 | 6.9 | |
| Real fuel consumption: | 8.6 l/100km | 8.2 l/100km | |
| 
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 1 series consumes 0.6 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the BMW 1 series could require 90 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 1 series consumes 0.4 litres more fuel per 100 km than the BMW 3 series.  | |||
| Fuel tank capacity: | 50 litres | 63 litres | |
| Full fuel tank distance: | 660 km in combined cycle | 910 km in combined cycle | |
| 840 km on highway | 1180 km on highway | ||
| 580 km with real consumption | 760 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: | 420'000 km | 350'000 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 1 series engine could be longer. | |||
| Engine production duration: | 8 years | 6 years | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. | |||
Dimensions | |||
| Length: | 4.23 m | 4.26 m | |
| Width: | 1.75 m | 1.75 m | |
| Height: | 1.43 m | 1.41 m | |
| Both cars are similar in size. BMW 1 series is 3 cm shorter than the BMW 3 series, width is practically the same , while the height of BMW 1 series is 2 cm higher. | |||
| Trunk capacity: | 330 litres | 310 litres | |
| Trunk max capacity: with rear seats folded down  | 
1150 litres | 1100 litres | |
| Even though the car is shorter, BMW 1 series has 20 litres more trunk space than the BMW 3 series. The BMW 3 series may have more interior space, so the cabin could be more spacious and more comfortable for the driver and passengers. The maximum boot capacity (with all rear seats folded down) is larger in BMW 1 series (by 50 litres). | |||
| Turning diameter: | 11 meters | 10 meters | |
| The turning circle of the BMW 1 series is 1 metres more than that of the BMW 3 series, which means BMW 1 series can be harder to manoeuvre in tight streets and parking spaces. | |||
| Gross weight (kg): | 1`705 | 1`800 | |
| Safety: | |||
| Quality: | average  | low  | |
| BMW 1 series has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 20 percent more cases than BMW 1 series, so BMW 1 series quality is probably better  | |||
| Average price (€): | 3200 | 2400 | |
| Rating in user reviews: | 8.2/10 | 7.9/10 | |
| Pros and Cons: | 
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BMW 3 sērija has    
    
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