2007 BMW 325 vs. 2008 BMW M3
To start off, 2008 BMW M3 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 325. In addition, the cost of maintenance, including insurance, on 2007 BMW 325 would be higher. At 3,246 cc (6 cylinders), 2008 BMW M3 is equipped with a bigger engine. In terms of performance, 2008 BMW M3 (338 HP @ 7900 RPM) has 123 more horse power than 2007 BMW 325. (215 HP @ 5600 RPM) In normal driving conditions, 2008 BMW M3 should accelerate faster than 2007 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M3 weights approximately 235 kg more than 2007 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2008 BMW M3 (365 Nm @ 4900 RPM) has 115 more torque (in Nm) than 2007 BMW 325. (250 Nm @ 2750 RPM). This means 2008 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325.
Compare all specifications:
| 2007 BMW 325 | 2008 BMW M3 | |
| Make | BMW | BMW |
| Model | 325 | M3 |
| Year Released | 2007 | 2008 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 338 HP |
| Engine RPM | 5600 RPM | 7900 RPM |
| Torque | 250 Nm | 365 Nm |
| Torque RPM | 2750 RPM | 4900 RPM |
| Engine Bore Size | 78.8 mm | 87.1 mm |
| Engine Stroke Size | 82 mm | 91 mm |
| Engine Compression Ratio | 11.0:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 6.9 seconds | 5.5 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1420 kg | 1655 kg |
| Vehicle Length | 4590 mm | 4500 mm |
| Vehicle Width | 1400 mm | 1790 mm |
| Vehicle Height | 1790 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2740 mm |
| Fuel Consumption Overall | 11.9 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
