1978 Mazda RX-3 vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 34 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-3 would be higher. At 4,663 cc (8 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 302 more horse power than 1978 Mazda RX-3. (100 HP @ 7000 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 1978 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 1040 kg more than 1978 Mazda RX-3. 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 465 more torque (in Nm) than 1978 Mazda RX-3. (135 Nm @ 4000 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-3.
Compare all specifications:
| 1978 Mazda RX-3 | 2012 Mercedes-Benz CLS | |
| Make | Mazda | Mercedes-Benz |
| Model | RX-3 | CLS |
| Year Released | 1978 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1963 cc | 4663 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 100 HP | 402 HP |
| Engine RPM | 7000 RPM | 5000 RPM |
| Torque | 135 Nm | 600 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 850 kg | 1890 kg |
| Vehicle Length | 4090 mm | 4940 mm |
| Vehicle Width | 1600 mm | 1882 mm |
| Vehicle Height | 1380 mm | 1417 mm |
| Wheelbase Size | 2320 mm | 2875 mm |
| Fuel Tank Capacity | 65 L | 80 L |
