1991 Mazda RX-7 vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 17 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 3,600 cc (6 cylinders), 2008 Porsche 911 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (473 HP @ 6000 RPM) has 276 more horse power than 1991 Mazda RX-7. (197 HP @ 6500 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 1991 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche 911 weights approximately 353 kg more than 1991 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2008 Porsche 911 will offer significantly more control. 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, 2008 Porsche 911 (620 Nm @ 1950 RPM) has 350 more torque (in Nm) than 1991 Mazda RX-7. (270 Nm @ 3500 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda RX-7.
Compare all specifications:
| 1991 Mazda RX-7 | 2008 Porsche 911 | |
| Make | Mazda | Porsche |
| Model | RX-7 | 911 |
| Year Released | 1991 | 2008 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2616 cc | 3600 cc |
| Engine Type | dual-disk rotary | boxer |
| Horse Power | 197 HP | 473 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 270 Nm | 620 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1302 kg | 1655 kg |
| Vehicle Length | 4320 mm | 4440 mm |
| Vehicle Width | 1700 mm | 1840 mm |
| Vehicle Height | 1270 mm | 1300 mm |
| Wheelbase Size | 2430 mm | 2360 mm |
| Fuel Tank Capacity | 75 L | 67 L |
