1981 Porsche 930 vs. 1999 Porsche 911
To start off, 1999 Porsche 911 is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Porsche 930. In addition, the cost of maintenance, including insurance, on 1981 Porsche 930 would be higher. At 3,600 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6200 RPM) has 118 more horse power than 1981 Porsche 930. (296 HP @ 5500 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 1981 Porsche 930. With that said, vehicle weight also plays an important factor in acceleration. 1999 Porsche 911 weights approximately 285 kg more than 1981 Porsche 930. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Porsche 930. In wet, icy, snow, or gravel driving conditions, 1999 Porsche 911 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 129 more torque (in Nm) than 1981 Porsche 930. (431 Nm @ 4000 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 930. 1999 Porsche 911 has automatic transmission and 1981 Porsche 930 has manual transmission. 1981 Porsche 930 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Porsche 930 | 1999 Porsche 911 | |
| Make | Porsche | Porsche |
| Model | 930 | 911 |
| Year Released | 1981 | 1999 |
| Body Type | Coupe | Coupe |
| Engine Position | Rear | Rear |
| Engine Size | 3297 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 296 HP | 414 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 431 Nm | 560 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Engine Bore Size | 97 mm | 100 mm |
| Engine Stroke Size | 74.4 mm | 76.4 mm |
| Engine Compression Ratio | 7.0:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1585 kg |
| Vehicle Length | 4300 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1320 mm | 1300 mm |
| Wheelbase Size | 2510 mm | 2360 mm |
