1984 Ford Sierra vs. 2006 Mercedes-Benz R
To start off, 2006 Mercedes-Benz R is newer by 22 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 6,208 cc (8 cylinders), 2006 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz R (504 HP @ 6800 RPM) has 429 more horse power than 1984 Ford Sierra. (75 HP @ 5300 RPM) In normal driving conditions, 2006 Mercedes-Benz R should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz R weights approximately 1335 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.
Because 2006 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2006 Mercedes-Benz R 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, 2006 Mercedes-Benz R (630 Nm @ 5200 RPM) has 511 more torque (in Nm) than 1984 Ford Sierra. (119 Nm @ 2900 RPM). This means 2006 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2006 Mercedes-Benz R 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. 2006 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2006 Mercedes-Benz R | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | R |
| Year Released | 1984 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1608 cc | 6208 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 504 HP |
| Engine RPM | 5300 RPM | 6800 RPM |
| Torque | 119 Nm | 630 Nm |
| Torque RPM | 2900 RPM | 5200 RPM |
| Engine Bore Size | 87.8 mm | 102.2 mm |
| Engine Stroke Size | 66 mm | 94.6 mm |
| Engine Compression Ratio | 9.2:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1040 kg | 2375 kg |
| Vehicle Length | 4500 mm | 5160 mm |
| Vehicle Width | 1720 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1640 mm |
| Wheelbase Size | 2610 mm | 3220 mm |
| Fuel Tank Capacity | 60 L | 80 L |
