1984 Ford Sierra vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 6,208 cc (8 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 347 more horse power than 1984 Ford Sierra. (160 HP @ 5700 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 145 kg more than 1984 Ford Sierra. 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, 2009 Mercedes-Benz CLS (631 Nm @ 5200 RPM) has 415 more torque (in Nm) than 1984 Ford Sierra. (216 Nm @ 4300 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2009 Mercedes-Benz CLS has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2009 Mercedes-Benz CLS | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | CLS |
| Year Released | 1984 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 6208 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 160 HP | 507 HP |
| Engine RPM | 5700 RPM | 6800 RPM |
| Torque | 216 Nm | 631 Nm |
| Torque RPM | 4300 RPM | 5200 RPM |
| Engine Compression Ratio | 9.2:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1180 kg | 1325 kg |
| Vehicle Length | 4430 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1870 mm |
| Vehicle Height | 1370 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2860 mm |
