1986 Ford Sierra vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 23 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 3,498 cc (6 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (288 HP @ 6400 RPM) has 128 more horse power than 1986 Ford Sierra. (160 HP @ 5700 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 469 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 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra 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, 2009 Mercedes-Benz CLS (365 Nm @ 3000 RPM) has 149 more torque (in Nm) than 1986 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 1986 Ford Sierra. 2009 Mercedes-Benz CLS 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. 2009 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Ford Sierra | 2009 Mercedes-Benz CLS | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | CLS |
| Year Released | 1986 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 160 HP | 288 HP |
| Engine RPM | 5700 RPM | 6400 RPM |
| Torque | 216 Nm | 365 Nm |
| Torque RPM | 4300 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 68.5 mm | 86 mm |
| Engine Compression Ratio | 9.2:1 | 12.2:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1266 kg | 1735 kg |
| Vehicle Length | 4430 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Wheelbase Size | 2610 mm | 2860 mm |
| Fuel Tank Capacity | 116 L | 80 L |
