1964 Porsche 911 vs. 1975 Triumph Spitfire
To start off, 1975 Triumph Spitfire is newer by 11 year(s). Which means there will be less support and parts availability for 1964 Porsche 911. In addition, the cost of maintenance, including insurance, on 1964 Porsche 911 would be higher. At 1,991 cc (6 cylinders), 1964 Porsche 911 is equipped with a bigger engine. In terms of performance, 1964 Porsche 911 (129 HP @ 6100 RPM) has 73 more horse power than 1975 Triumph Spitfire. (56 HP @ 5000 RPM). In normal driving conditions, 1964 Porsche 911 should accelerate faster than 1975 Triumph Spitfire. With that said, vehicle weight also plays an important factor in acceleration. 1964 Porsche 911 weights approximately 225 kg more than 1975 Triumph Spitfire. 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, 1964 Porsche 911 (178 Nm @ 4200 RPM) has 78 more torque (in Nm) than 1975 Triumph Spitfire. (100 Nm @ 3000 RPM). This means 1964 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 Triumph Spitfire.
Compare all specifications:
| 1964 Porsche 911 | 1975 Triumph Spitfire | |
| Make | Porsche | Triumph |
| Model | 911 | Spitfire |
| Year Released | 1964 | 1975 |
| Body Type | Coupe | Convertible |
| Engine Position | Rear | Front |
| Engine Size | 1991 cc | 1492 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 129 HP | 56 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 178 Nm | 100 Nm |
| Torque RPM | 4200 RPM | 3000 RPM |
| Engine Bore Size | 80.1 mm | 73.7 mm |
| Engine Stroke Size | 66 mm | 87.5 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1040 kg | 815 kg |
| Vehicle Length | 4170 mm | 3790 mm |
| Vehicle Width | 1620 mm | 1500 mm |
| Vehicle Height | 1330 mm | 1210 mm |
| Wheelbase Size | 2190 mm | 2110 mm |
| Fuel Tank Capacity | 61 L | 33 L |
