1991 Mazda RX-7 vs. 2003 Mercedes-Benz SLK
To start off, 2003 Mercedes-Benz SLK is newer by 12 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 2,616 cc, 1991 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1991 Mazda RX-7 (197 HP @ 6500 RPM) has 103 more horse power than 2003 Mercedes-Benz SLK. (94 HP @ 5750 RPM). In normal driving conditions, 1991 Mazda RX-7 should accelerate faster than 2003 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz SLK weights approximately 135 kg more than 1991 Mazda RX-7.
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, both vehicles can yield 271 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2003 Mercedes-Benz SLK has automatic transmission and 1991 Mazda RX-7 has manual transmission. 1991 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Mazda RX-7 | 2003 Mercedes-Benz SLK | |
| Make | Mazda | Mercedes-Benz |
| Model | RX-7 | SLK |
| Year Released | 1991 | 2003 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 2297 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 197 HP | 94 HP |
| Engine RPM | 6500 RPM | 5750 RPM |
| Torque | 271 Nm | 271 Nm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1435 kg |
| Vehicle Length | 4320 mm | 4020 mm |
| Vehicle Width | 1700 mm | 1720 mm |
| Vehicle Height | 1270 mm | 1290 mm |
| Wheelbase Size | 2440 mm | 2410 mm |
| Fuel Tank Capacity | 75 L | 88 L |
