1984 Ford Sierra vs. 1986 Mazda RX-7
To start off, 1986 Mazda RX-7 is newer by 2 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 2,354 cc, 1986 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1986 Mazda RX-7 (185 HP @ 6500 RPM) has 71 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 1986 Mazda RX-7 should accelerate faster than 1984 Ford Sierra.
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, 1986 Mazda RX-7 (246 Nm @ 3000 RPM) has 70 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 1986 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 1984 Ford Sierra has automatic transmission and 1986 Mazda RX-7 has manual transmission. 1986 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1984 Ford Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 1986 Mazda RX-7 | |
| Make | Ford | Mazda |
| Model | Sierra | RX-7 |
| Year Released | 1984 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 2354 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 114 HP | 185 HP |
| Engine RPM | 5300 RPM | 6500 RPM |
| Torque | 176 Nm | 246 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Length | 4420 mm | 4300 mm |
| Vehicle Width | 1730 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1270 mm |
| Wheelbase Size | 2610 mm | 2430 mm |
