1970 Triumph Spitfire vs. 1964 Triumph TR4
To start off, 1970 Triumph Spitfire is newer by 6 year(s). Which means there will be less support and parts availability for 1964 Triumph TR4. In addition, the cost of maintenance, including insurance, on 1964 Triumph TR4 would be higher. At 2,138 cc (4 cylinders), 1964 Triumph TR4 is equipped with a bigger engine. In terms of performance, 1964 Triumph TR4 (100 HP @ 4700 RPM) has 38 more horse power than 1970 Triumph Spitfire. (62 HP @ 6000 RPM) In normal driving conditions, 1964 Triumph TR4 should accelerate faster than 1970 Triumph Spitfire. With that said, vehicle weight also plays an important factor in acceleration. 1964 Triumph TR4 weights approximately 185 kg more than 1970 Triumph Spitfire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1964 Triumph TR4 (172 Nm @ 3350 RPM) has 79 more torque (in Nm) than 1970 Triumph Spitfire. (93 Nm @ 3500 RPM). This means 1964 Triumph TR4 will have an easier job in driving up hills or pulling heavy equipment than 1970 Triumph Spitfire.
Compare all specifications:
| 1970 Triumph Spitfire | 1964 Triumph TR4 | |
| Make | Triumph | Triumph |
| Model | Spitfire | TR4 |
| Year Released | 1970 | 1964 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Front |
| Engine Size | 1296 cc | 2138 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 62 HP | 100 HP |
| Engine RPM | 6000 RPM | 4700 RPM |
| Torque | 93 Nm | 172 Nm |
| Torque RPM | 3500 RPM | 3350 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 780 kg | 965 kg |
| Vehicle Length | 3790 mm | 3950 mm |
| Vehicle Width | 1480 mm | 1480 mm |
| Vehicle Height | 1210 mm | 1280 mm |
| Wheelbase Size | 2110 mm | 2240 mm |
