2007 BMW 325 vs. 2006 Chevrolet Optra
To start off, 2007 BMW 325 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Chevrolet Optra. In addition, the cost of maintenance, including insurance, on 2006 Chevrolet Optra would be higher. At 2,497 cc (6 cylinders), 2007 BMW 325 is equipped with a bigger engine. In terms of performance, 2007 BMW 325 (215 HP) has 107 more horse power than 2006 Chevrolet Optra. (108 HP). In normal driving conditions, 2007 BMW 325 should accelerate faster than 2006 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chevrolet Optra weights approximately 373 kg more than 2007 BMW 325.
Let's talk about torque, 2007 BMW 325 (250 Nm @ 2750 RPM) has 100 more torque (in Nm) than 2006 Chevrolet Optra. (150 Nm @ 4000 RPM). This means 2007 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet Optra.
Compare all specifications:
| 2007 BMW 325 | 2006 Chevrolet Optra | |
| Make | BMW | Chevrolet |
| Model | 325 | Optra |
| Year Released | 2007 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 108 HP |
| Torque | 250 Nm | 150 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 78.8 mm | 79.1 mm |
| Engine Stroke Size | 82 mm | 81.5 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1793 kg |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Height | 1790 mm | 1250 mm |
| Wheelbase Size | 2770 mm | 2610 mm |
| Fuel Consumption Overall | 11.9 L/100km | 14 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
