1984 Ford Sierra vs. 2004 Mercedes-Benz SL
To start off, 2004 Mercedes-Benz SL is newer by 20 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 5,513 cc (12 cylinders), 2004 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SL (493 HP @ 5000 RPM) has 418 more horse power than 1984 Ford Sierra. (75 HP @ 4800 RPM) In normal driving conditions, 2004 Mercedes-Benz SL should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz SL weights approximately 985 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, 2004 Mercedes-Benz SL (800 Nm @ 1800 RPM) has 677 more torque (in Nm) than 1984 Ford Sierra. (123 Nm @ 2900 RPM). This means 2004 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2004 Mercedes-Benz SL 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. 2004 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2004 Mercedes-Benz SL | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | SL |
| Year Released | 1984 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1593 cc | 5513 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 493 HP |
| Engine RPM | 4800 RPM | 5000 RPM |
| Torque | 123 Nm | 800 Nm |
| Torque RPM | 2900 RPM | 1800 RPM |
| Engine Compression Ratio | 9.5:1 | 9.0:1 |
| Top Speed | 166 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1040 kg | 2025 kg |
| Vehicle Length | 4430 mm | 4540 mm |
| Vehicle Width | 1730 mm | 1830 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 2610 mm | 2570 mm |
| Fuel Tank Capacity | 60 L | 80 L |
