1990 Ford Sierra vs. 2011 Mercedes-Benz SL
To start off, 2011 Mercedes-Benz SL is newer by 21 year(s). Which means there will be less support and parts availability for 1990 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1990 Ford Sierra would be higher. At 6,000 cc (12 cylinders), 2011 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz SL (604 HP @ 4800 RPM) has 530 more horse power than 1990 Ford Sierra. (74 HP @ 5300 RPM) In normal driving conditions, 2011 Mercedes-Benz SL should accelerate faster than 1990 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz SL weights approximately 1056 kg more than 1990 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, 2011 Mercedes-Benz SL (999 Nm @ 2000 RPM) has 877 more torque (in Nm) than 1990 Ford Sierra. (122 Nm @ 2900 RPM). This means 2011 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1990 Ford Sierra. 2011 Mercedes-Benz SL has automatic transmission and 1990 Ford Sierra has manual transmission. 1990 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Ford Sierra | 2011 Mercedes-Benz SL | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | SL |
| Year Released | 1990 | 2011 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 6000 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 604 HP |
| Engine RPM | 5300 RPM | 4800 RPM |
| Torque | 122 Nm | 999 Nm |
| Torque RPM | 2900 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1010 kg | 2066 kg |
| Vehicle Length | 4500 mm | 4592 mm |
| Vehicle Width | 1680 mm | 1816 mm |
| Vehicle Height | 1400 mm | 1298 mm |
| Wheelbase Size | 2620 mm | 2560 mm |
