1977 Triumph TR7 vs. 2005 BMW 645
To start off, 2005 BMW 645 is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Triumph TR7. In addition, the cost of maintenance, including insurance, on 1977 Triumph TR7 would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 234 more horse power than 1977 Triumph TR7. (92 HP @ 5000 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 1977 Triumph TR7. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 880 kg more than 1977 Triumph TR7. 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, 2005 BMW 645 (447 Nm @ 3600 RPM) has 237 more torque (in Nm) than 1977 Triumph TR7. (210 Nm @ 3500 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1977 Triumph TR7.
Compare all specifications:
| 1977 Triumph TR7 | 2005 BMW 645 | |
| Make | Triumph | BMW |
| Model | TR7 | 645 |
| Year Released | 1977 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 4392 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 92 HP | 326 HP |
| Engine RPM | 5000 RPM | 6100 RPM |
| Torque | 210 Nm | 447 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1015 kg | 1895 kg |
| Vehicle Length | 4070 mm | 4830 mm |
| Vehicle Width | 1690 mm | 1860 mm |
| Vehicle Height | 1270 mm | 1380 mm |
| Wheelbase Size | 2170 mm | 2890 mm |
| Fuel Tank Capacity | 55 L | 70 L |
