1989 Mazda RX-7 vs. 2005 Mercedes-Benz SL
To start off, 2005 Mercedes-Benz SL is newer by 16 year(s). Which means there will be less support and parts availability for 1989 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1989 Mazda RX-7 would be higher. At 5,441 cc (8 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (493 HP @ 4200 RPM) has 296 more horse power than 1989 Mazda RX-7. (197 HP @ 6500 RPM) In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 1989 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 621 kg more than 1989 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, 2005 Mercedes-Benz SL (700 Nm) has 429 more torque (in Nm) than 1989 Mazda RX-7. (271 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1989 Mazda RX-7.
Compare all specifications:
| 1989 Mazda RX-7 | 2005 Mercedes-Benz SL | |
| Make | Mazda | Mercedes-Benz |
| Model | RX-7 | SL |
| Year Released | 1989 | 2005 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 5441 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 197 HP | 493 HP |
| Engine RPM | 6500 RPM | 4200 RPM |
| Torque | 271 Nm | 700 Nm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1921 kg |
| Vehicle Length | 4320 mm | 4540 mm |
| Vehicle Width | 1700 mm | 1820 mm |
| Vehicle Height | 1270 mm | 1300 mm |
| Wheelbase Size | 2430 mm | 2570 mm |
| Fuel Tank Capacity | 75 L | 80 L |
