1998 BMW 728 vs. 1991 Mazda RX-7
To start off, 1998 BMW 728 is newer by 7 year(s). Which means there will be less support and parts availability for 1991 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1991 Mazda RX-7 would be higher. At 2,926 cc (6 cylinders), 1998 BMW 728 is equipped with a bigger engine. In terms of performance, 1991 Mazda RX-7 (197 HP @ 6500 RPM) has 7 more horse power than 1998 BMW 728. (190 HP @ 5500 RPM) In normal driving conditions, 1991 Mazda RX-7 should accelerate faster than 1998 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 728 weights approximately 503 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, 1998 BMW 728 (280 Nm @ 3500 RPM) has 10 more torque (in Nm) than 1991 Mazda RX-7. (270 Nm @ 3500 RPM). This means 1998 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda RX-7.
Compare all specifications:
| 1998 BMW 728 | 1991 Mazda RX-7 | |
| Make | BMW | Mazda |
| Model | 728 | RX-7 |
| Year Released | 1998 | 1991 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 190 HP | 197 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 280 Nm | 270 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1805 kg | 1302 kg |
| Vehicle Length | 4990 mm | 4320 mm |
| Vehicle Width | 1870 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1270 mm |
| Wheelbase Size | 2940 mm | 2430 mm |
| Fuel Tank Capacity | 85 L | 75 L |
