1978 Mazda RX-7 vs. 2009 Pontiac G5
To start off, 2009 Pontiac G5 is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-7 would be higher. At 2,292 cc, 1978 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 2009 Pontiac G5 (155 HP @ 6100 RPM) has 50 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 2009 Pontiac G5 should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Pontiac G5 weights approximately 269 kg more than 1978 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Mazda RX-7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Mazda RX-7. However, in wet, icy, snow, or gravel driving conditions, 2009 Pontiac G5, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 Pontiac G5 (203 Nm @ 4900 RPM) has 58 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2009 Pontiac G5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7.
Compare all specifications:
| 1978 Mazda RX-7 | 2009 Pontiac G5 | |
| Make | Mazda | Pontiac |
| Model | RX-7 | G5 |
| Year Released | 1978 | 2009 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 2189 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 105 HP | 155 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 145 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4900 RPM |
| Engine Compression Ratio | 9.4:1 | 10.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1060 kg | 1329 kg |
| Vehicle Length | 4290 mm | 4570 mm |
| Vehicle Width | 1680 mm | 1720 mm |
| Vehicle Height | 1280 mm | 1420 mm |
| Wheelbase Size | 2430 mm | 2640 mm |
| Fuel Tank Capacity | 65 L | 49 L |
