1989 Ford Sierra vs. 1985 Mazda RX-7
To start off, 1989 Ford Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 1985 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1985 Mazda RX-7 would be higher. At 2,292 cc, 1985 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1985 Mazda RX-7 (165 HP @ 6500 RPM) has 40 more horse power than 1989 Ford Sierra. (125 HP @ 5600 RPM) In normal driving conditions, 1985 Mazda RX-7 should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 216 kg more than 1985 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, 1985 Mazda RX-7 (225 Nm @ 4000 RPM) has 51 more torque (in Nm) than 1989 Ford Sierra. (174 Nm @ 2500 RPM). This means 1985 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1989 Ford Sierra | 1985 Mazda RX-7 | |
| Make | Ford | Mazda |
| Model | Sierra | RX-7 |
| Year Released | 1989 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 125 HP | 165 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 174 Nm | 225 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Top Speed | 195 km/hour | 230 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1128 kg | 912 kg |
| Vehicle Length | 4430 mm | 4300 mm |
| Vehicle Width | 1700 mm | 1680 mm |
| Vehicle Height | 1380 mm | 1280 mm |
| Wheelbase Size | 2530 mm | 2430 mm |
