1978 Mazda RX-7 vs. 2006 Mercedes-Benz C
To start off, 2006 Mercedes-Benz C is newer by 28 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 2,999 cc (6 cylinders), 2006 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz C (228 HP @ 6000 RPM) has 123 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 2006 Mercedes-Benz C should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz C weights approximately 725 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.
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, 2006 Mercedes-Benz C (300 Nm @ 2700 RPM) has 155 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2006 Mercedes-Benz C 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 | 2006 Mercedes-Benz C | |
| Make | Mazda | Mercedes-Benz |
| Model | RX-7 | C |
| Year Released | 1978 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 2999 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 105 HP | 228 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 145 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1060 kg | 1785 kg |
| Vehicle Length | 4290 mm | 4530 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Vehicle Height | 1280 mm | 1410 mm |
| Wheelbase Size | 2430 mm | 2720 mm |
| Fuel Tank Capacity | 65 L | 62 L |
