1991 Porsche 911 vs. 1978 Porsche 924
To start off, 1991 Porsche 911 is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Porsche 924. In addition, the cost of maintenance, including insurance, on 1978 Porsche 924 would be higher. At 3,163 cc (6 cylinders), 1991 Porsche 911 is equipped with a bigger engine. In terms of performance, 1991 Porsche 911 (228 HP @ 5900 RPM) has 58 more horse power than 1978 Porsche 924. (170 HP @ 5500 RPM). In normal driving conditions, 1991 Porsche 911 should accelerate faster than 1978 Porsche 924. With that said, vehicle weight also plays an important factor in acceleration. 1978 Porsche 924 weights approximately 5 kg more than 1991 Porsche 911.
Let's talk about torque, 1991 Porsche 911 (286 Nm @ 4800 RPM) has 41 more torque (in Nm) than 1978 Porsche 924. (245 Nm @ 3500 RPM). This means 1991 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1978 Porsche 924.
Compare all specifications:
| 1991 Porsche 911 | 1978 Porsche 924 | |
| Make | Porsche | Porsche |
| Model | 911 | 924 |
| Year Released | 1991 | 1978 |
| Body Type | Roadster | Coupe |
| Engine Position | Rear | Front |
| Engine Size | 3163 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 228 HP | 170 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 286 Nm | 245 Nm |
| Torque RPM | 4800 RPM | 3500 RPM |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1175 kg | 1180 kg |
| Vehicle Length | 4300 mm | 4220 mm |
| Vehicle Width | 1660 mm | 1660 mm |
| Vehicle Height | 1260 mm | 1270 mm |
