1976 BMW 630 vs. 1991 Mazda RX-7
To start off, 1991 Mazda RX-7 is newer by 15 year(s). Which means there will be less support and parts availability for 1976 BMW 630. In addition, the cost of maintenance, including insurance, on 1976 BMW 630 would be higher. At 2,986 cc (6 cylinders), 1976 BMW 630 is equipped with a bigger engine. In terms of performance, 1991 Mazda RX-7 (197 HP @ 6500 RPM) has 24 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM) In normal driving conditions, 1991 Mazda RX-7 should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 1976 BMW 630 weights approximately 158 kg more than 1991 Mazda RX-7.
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, 1991 Mazda RX-7 (271 Nm @ 3500 RPM) has 20 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 1991 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 1976 BMW 630 | 1991 Mazda RX-7 | |
| Make | BMW | Mazda |
| Model | 630 | RX-7 |
| Year Released | 1976 | 1991 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 173 HP | 197 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 251 Nm | 271 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1458 kg | 1300 kg |
| Vehicle Length | 4760 mm | 4320 mm |
| Vehicle Width | 1760 mm | 1700 mm |
| Vehicle Height | 1390 mm | 1270 mm |
| Wheelbase Size | 2630 mm | 2440 mm |
