1999 Porsche Boxster vs. 1991 Porsche 928
To start off, 1999 Porsche Boxster is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Porsche 928. In addition, the cost of maintenance, including insurance, on 1991 Porsche 928 would be higher. At 5,397 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (345 HP @ 5700 RPM) has 96 more horse power than 1999 Porsche Boxster. (249 HP @ 6250 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 1999 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 928 weights approximately 340 kg more than 1999 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, 1991 Porsche 928 (500 Nm @ 4250 RPM) has 195 more torque (in Nm) than 1999 Porsche Boxster. (305 Nm @ 4500 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1999 Porsche Boxster.
Compare all specifications:
| 1999 Porsche Boxster | 1991 Porsche 928 | |
| Make | Porsche | Porsche |
| Model | Boxster | 928 |
| Year Released | 1999 | 1991 |
| Body Type | Convertible | Coupe |
| Engine Position | Middle | Front |
| Engine Size | 3179 cc | 5397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Horse Power | 249 HP | 345 HP |
| Engine RPM | 6250 RPM | 5700 RPM |
| Torque | 305 Nm | 500 Nm |
| Torque RPM | 4500 RPM | 4250 RPM |
| Engine Bore Size | 93.1 mm | 100.1 mm |
| Engine Stroke Size | 78 mm | 85.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1600 kg |
| Vehicle Length | 4320 mm | 4450 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1290 mm |
| Wheelbase Size | 2360 mm | 2510 mm |
