1999 BMW M5 vs. 2005 Porsche Boxster
To start off, 2005 Porsche Boxster is newer by 6 year(s). Which means there will be less support and parts availability for 1999 BMW M5. In addition, the cost of maintenance, including insurance, on 1999 BMW M5 would be higher. At 4,900 cc (8 cylinders), 1999 BMW M5 is equipped with a bigger engine. In terms of performance, 1999 BMW M5 (401 HP @ 7400 RPM) has 121 more horse power than 2005 Porsche Boxster. (280 HP @ 6200 RPM). In normal driving conditions, 1999 BMW M5 should accelerate faster than 2005 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW M5 weights approximately 265 kg more than 2005 Porsche Boxster. 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, 1999 BMW M5 (499 Nm) has 179 more torque (in Nm) than 2005 Porsche Boxster. (320 Nm). This means 1999 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche Boxster.
Compare all specifications:
| 1999 BMW M5 | 2005 Porsche Boxster | |
| Make | BMW | Porsche |
| Model | M5 | Boxster |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4900 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 401 HP | 280 HP |
| Engine RPM | 7400 RPM | 6200 RPM |
| Torque | 499 Nm | 320 Nm |
| Top Speed | 295 km/hour | 268 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1345 kg |
| Vehicle Length | 4780 mm | 4340 mm |
| Vehicle Width | 1810 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2420 mm |
| Fuel Tank Capacity | 70 L | 53 L |
