1985 Mazda RX-7 vs. 1975 Pontiac Bonneville
To start off, 1985 Mazda RX-7 is newer by 10 year(s). Which means there will be less support and parts availability for 1975 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1975 Pontiac Bonneville would be higher. At 6,556 cc (8 cylinders), 1975 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1975 Pontiac Bonneville (168 HP @ 4000 RPM) has 64 more horse power than 1985 Mazda RX-7. (104 HP @ 6000 RPM) In normal driving conditions, 1975 Pontiac Bonneville should accelerate faster than 1985 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1975 Pontiac Bonneville weights approximately 1045 kg more than 1985 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, 1975 Pontiac Bonneville (415 Nm @ 2200 RPM) has 270 more torque (in Nm) than 1985 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1975 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1985 Mazda RX-7. 1975 Pontiac Bonneville has automatic transmission and 1985 Mazda RX-7 has manual transmission. 1985 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 Mazda RX-7 | 1975 Pontiac Bonneville | |
| Make | Mazda | Pontiac |
| Model | RX-7 | Bonneville |
| Year Released | 1985 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 6556 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 104 HP | 168 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 145 Nm | 415 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1060 kg | 2105 kg |
| Vehicle Length | 4290 mm | 5750 mm |
| Vehicle Width | 1680 mm | 2030 mm |
| Vehicle Height | 1270 mm | 1380 mm |
| Wheelbase Size | 2430 mm | 3140 mm |
