1973 Porsche 911 vs. 1987 TVR 420
To start off, 1987 TVR 420 is newer by 14 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 4,225 cc (8 cylinders), 1987 TVR 420 is equipped with a bigger engine. In terms of performance, 1987 TVR 420 (300 HP @ 5500 RPM) has 74 more horse power than 1973 Porsche 911. (226 HP @ 6200 RPM) In normal driving conditions, 1987 TVR 420 should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1987 TVR 420 weights approximately 270 kg more than 1973 Porsche 911. 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, 1987 TVR 420 (393 Nm @ 4500 RPM) has 118 more torque (in Nm) than 1973 Porsche 911. (275 Nm @ 5000 RPM). This means 1987 TVR 420 will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 1973 Porsche 911 | 1987 TVR 420 | |
| Make | Porsche | TVR |
| Model | 911 | 420 |
| Year Released | 1973 | 1987 |
| Engine Position | Rear | Front |
| Engine Size | 2994 cc | 4225 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Horse Power | 226 HP | 300 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 275 Nm | 393 Nm |
| Torque RPM | 5000 RPM | 4500 RPM |
| Engine Bore Size | 95 mm | 93.4 mm |
| Engine Stroke Size | 70.4 mm | 77.1 mm |
| Engine Compression Ratio | 8.5:1 | 9.8:1 |
| Top Speed | 245 km/hour | 266 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 900 kg | 1170 kg |
| Vehicle Length | 4130 mm | 4020 mm |
| Vehicle Width | 1690 mm | 1730 mm |
| Vehicle Height | 1330 mm | 1210 mm |
| Wheelbase Size | 2270 mm | 2390 mm |
| Fuel Tank Capacity | 80 L | 59 L |
