2006 Mercedes-Benz S vs. 1986 Rover 825i
To start off, 2006 Mercedes-Benz S is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Rover 825i. In addition, the cost of maintenance, including insurance, on 1986 Rover 825i would be higher. At 5,982 cc (12 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz S (604 HP @ 4800 RPM) has 434 more horse power than 1986 Rover 825i. (170 HP @ 6000 RPM). In normal driving conditions, 2006 Mercedes-Benz S should accelerate faster than 1986 Rover 825i. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 764 kg more than 1986 Rover 825i. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz S is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Mercedes-Benz S. However, in wet, icy, snow, or gravel driving conditions, 1986 Rover 825i, being front wheel drive (FWD), will offer much better control with better grip. 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 S (1,001 Nm @ 2000 RPM) has 784 more torque (in Nm) than 1986 Rover 825i. (217 Nm @ 5000 RPM). This means 2006 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1986 Rover 825i.
Compare all specifications:
| 2006 Mercedes-Benz S | 1986 Rover 825i | |
| Make | Mercedes-Benz | Rover |
| Model | S | 825i |
| Year Released | 2006 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 5982 cc | 2493 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 604 HP | 170 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 1001 Nm | 217 Nm |
| Torque RPM | 2000 RPM | 5000 RPM |
| Engine Bore Size | 82.7 mm | 84 mm |
| Engine Stroke Size | 93 mm | 75 mm |
| Engine Compression Ratio | 9.0:1 | 9.6:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2120 kg | 1356 kg |
| Vehicle Length | 5170 mm | 4700 mm |
| Vehicle Width | 1860 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 3090 mm | 2760 mm |
