1984 Ford Sierra vs. 2008 Mercedes-Benz CLS
To start off, 2008 Mercedes-Benz CLS is newer by 24 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 2,985 cc (6 cylinders), 2008 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz CLS (221 HP @ 3800 RPM) has 107 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 2008 Mercedes-Benz CLS should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz CLS weights approximately 700 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, 2008 Mercedes-Benz CLS (510 Nm @ 1600 RPM) has 334 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 2008 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2008 Mercedes-Benz CLS | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | CLS |
| Year Released | 1984 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 2985 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 114 HP | 221 HP |
| Engine RPM | 5300 RPM | 3800 RPM |
| Torque | 176 Nm | 510 Nm |
| Torque RPM | 3000 RPM | 1600 RPM |
| Engine Bore Size | 90 mm | 83 mm |
| Engine Stroke Size | 60.1 mm | 92 mm |
| Engine Compression Ratio | 9.0:1 | 18.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1115 kg | 1815 kg |
| Vehicle Length | 4420 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2610 mm | 2860 mm |
| Fuel Tank Capacity | 60 L | 80 L |
