2003 BMW M3 vs. 2007 Porsche Boxster
To start off, 2007 Porsche Boxster is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 3,168 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 97 more horse power than 2007 Porsche Boxster. (245 HP @ 6400 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2007 Porsche Boxster.
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, 2003 BMW M3 (350 Nm @ 4900 RPM) has 77 more torque (in Nm) than 2007 Porsche Boxster. (273 Nm @ 4700 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche Boxster.
Compare all specifications:
| 2003 BMW M3 | 2007 Porsche Boxster | |
| Make | BMW | Porsche |
| Model | M3 | Boxster |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 3168 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 245 HP |
| Engine RPM | 7900 RPM | 6400 RPM |
| Torque | 350 Nm | 273 Nm |
| Torque RPM | 4900 RPM | 4700 RPM |
| Engine Bore Size | 87 mm | 85.5 mm |
| Engine Stroke Size | 91 mm | 78 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4500 mm | 4370 mm |
| Vehicle Width | 1790 mm | 1810 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2420 mm |
| Fuel Consumption Highway | 8.4 L/100km | 7.4 L/100km |
| Fuel Consumption City | 17.8 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
