1986 Ford Sierra vs. 2005 Mercedes-Benz C
To start off, 2005 Mercedes-Benz C is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 2,685 cc (6 cylinders), 2005 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz C (175 HP @ 5500 RPM) has 86 more horse power than 1986 Ford Sierra. (89 HP @ 5400 RPM) In normal driving conditions, 2005 Mercedes-Benz C should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz C weights approximately 666 kg more than 1986 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz C is four wheel drive (4WD), it will have significant more traction and grip than 1986 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz C will offer significantly more control. 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, 2005 Mercedes-Benz C (240 Nm @ 4500 RPM) has 97 more torque (in Nm) than 1986 Ford Sierra. (143 Nm @ 3500 RPM). This means 2005 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra. 2005 Mercedes-Benz C has automatic transmission and 1986 Ford Sierra has manual transmission. 1986 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Ford Sierra | 2005 Mercedes-Benz C | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | C |
| Year Released | 1986 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2685 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 89 HP | 175 HP |
| Engine RPM | 5400 RPM | 5500 RPM |
| Torque | 143 Nm | 240 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1014 kg | 1680 kg |
| Vehicle Length | 4400 mm | 4550 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Vehicle Height | 1370 mm | 1450 mm |
| Wheelbase Size | 2620 mm | 2720 mm |
