2007 BMW M3 vs. 2005 BMW 320
To start off, 2007 BMW M3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 would be higher. At 3,245 cc (6 cylinders), 2007 BMW M3 is equipped with a bigger engine. In terms of performance, 2007 BMW M3 (338 HP @ 7900 RPM) has 177 more horse power than 2005 BMW 320. (161 HP @ 4000 RPM). In normal driving conditions, 2007 BMW M3 should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M3 weights approximately 150 kg more than 2005 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, both vehicles can yield 365 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2005 BMW 320 has automatic transmission and 2007 BMW M3 has manual transmission. 2007 BMW M3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 320 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW M3 | 2005 BMW 320 | |
| Make | BMW | BMW |
| Model | M3 | 320 |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 161 HP |
| Engine RPM | 7900 RPM | 4000 RPM |
| Torque | 365 Nm | 365 Nm |
| Torque RPM | 4900 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 91 mm | 90 mm |
| Engine Compression Ratio | 11.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 220 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 8.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1655 kg | 1505 kg |
| Vehicle Length | 4500 mm | 4480 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2740 mm | 2770 mm |
| Fuel Consumption Highway | 10.2 L/100km | 5.3 L/100km |
| Fuel Consumption Overall | 12.1 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
