1977 BMW 728 vs. 1973 Triumph Spitfire
To start off, 1977 BMW 728 is newer by 4 year(s). Which means there will be less support and parts availability for 1973 Triumph Spitfire. In addition, the cost of maintenance, including insurance, on 1973 Triumph Spitfire would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 114 more horse power than 1973 Triumph Spitfire. (56 HP @ 5000 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1973 Triumph Spitfire. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 736 kg more than 1973 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 135 more torque (in Nm) than 1973 Triumph Spitfire. (100 Nm @ 3000 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1973 Triumph Spitfire.
Compare all specifications:
| 1977 BMW 728 | 1973 Triumph Spitfire | |
| Make | BMW | Triumph |
| Model | 728 | Spitfire |
| Year Released | 1977 | 1973 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1493 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 56 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 235 Nm | 100 Nm |
| Torque RPM | 3700 RPM | 3000 RPM |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1536 kg | 800 kg |
| Vehicle Length | 4870 mm | 3790 mm |
| Vehicle Width | 1810 mm | 1480 mm |
| Vehicle Height | 1440 mm | 1210 mm |
| Wheelbase Size | 2800 mm | 2110 mm |
