1989 Ford Sierra vs. 2005 Mercedes-Benz G
To start off, 2005 Mercedes-Benz G is newer by 16 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 5,439 cc (8 cylinders), 2005 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz G (469 HP @ 4200 RPM) has 344 more horse power than 1989 Ford Sierra. (125 HP @ 5600 RPM) In normal driving conditions, 2005 Mercedes-Benz G should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz G weights approximately 1408 kg more than 1989 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 G is four wheel drive (4WD), it will have significant more traction and grip than 1989 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz G 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 G (700 Nm) has 526 more torque (in Nm) than 1989 Ford Sierra. (174 Nm). This means 2005 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 2005 Mercedes-Benz G has automatic transmission and 1989 Ford Sierra has manual transmission. 1989 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz G will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Ford Sierra | 2005 Mercedes-Benz G | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | G |
| Year Released | 1989 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 5439 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 125 HP | 469 HP |
| Engine RPM | 5600 RPM | 4200 RPM |
| Torque | 174 Nm | 700 Nm |
| Engine Bore Size | 86 mm | 97.1 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 9.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1128 kg | 2536 kg |
| Vehicle Length | 4470 mm | 4720 mm |
| Vehicle Width | 1710 mm | 1870 mm |
| Vehicle Height | 1380 mm | 1980 mm |
| Wheelbase Size | 2610 mm | 2860 mm |
| Fuel Tank Capacity | 60 L | 96 L |
