1991 BMW 730 vs. 2013 Porsche Boxter
To start off, 2013 Porsche Boxter is newer by 22 year(s). Which means there will be less support and parts availability for 1991 BMW 730. In addition, the cost of maintenance, including insurance, on 1991 BMW 730 would be higher. In terms of performance, 2013 Porsche Boxter (311 HP @ 6700 RPM) has 126 more horse power than 1991 BMW 730. (185 HP @ 5800 RPM) In normal driving conditions, 2013 Porsche Boxter should accelerate faster than 1991 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 250 kg more than 2013 Porsche Boxter.
Because 2013 Porsche Boxter is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW 730. In wet, icy, snow, or gravel driving conditions, 2013 Porsche Boxter will offer significantly more control. 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, 2013 Porsche Boxter (361 Nm @ 5800 RPM) has 101 more torque (in Nm) than 1991 BMW 730. (260 Nm @ 4000 RPM). This means 2013 Porsche Boxter will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 730.
Compare all specifications:
| 1991 BMW 730 | 2013 Porsche Boxter | |
| Make | BMW | Porsche |
| Model | 730 | Boxter |
| Year Released | 1991 | 2013 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Middle |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 185 HP | 311 HP |
| Engine RPM | 5800 RPM | 6700 RPM |
| Torque | 260 Nm | 361 Nm |
| Torque RPM | 4000 RPM | 5800 RPM |
| Engine Bore Size | 89 mm | 97 mm |
| Engine Stroke Size | 80 mm | 77 mm |
| Engine Compression Ratio | 9.0:1 | 12.5 : 1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 4-speed manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1600 kg | 1350 kg |
| Vehicle Length | 4920 mm | 4374 mm |
| Vehicle Width | 1850 mm | 1979 mm |
| Vehicle Height | 1420 mm | 1281 mm |
| Wheelbase Size | 2840 mm | 2475 mm |
