2006 BMW 645 vs. 1989 Mazda RX-7
To start off, 2006 BMW 645 is newer by 17 year(s). Which means there will be less support and parts availability for 1989 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1989 Mazda RX-7 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 131 more horse power than 1989 Mazda RX-7. (197 HP @ 6500 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1989 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 510 kg more than 1989 Mazda RX-7. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 179 more torque (in Nm) than 1989 Mazda RX-7. (271 Nm @ 3500 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1989 Mazda RX-7. 2006 BMW 645 has automatic transmission and 1989 Mazda RX-7 has manual transmission. 1989 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 1989 Mazda RX-7 | |
| Make | BMW | Mazda |
| Model | 645 | RX-7 |
| Year Released | 2006 | 1989 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2616 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 328 HP | 197 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 450 Nm | 271 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1810 kg | 1300 kg |
| Vehicle Length | 4830 mm | 4320 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1270 mm |
| Wheelbase Size | 2790 mm | 2430 mm |
| Fuel Tank Capacity | 70 L | 75 L |
