1981 Fiat 127 vs. 2005 Mercedes-Benz R
To start off, 2005 Mercedes-Benz R is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Fiat 127. In addition, the cost of maintenance, including insurance, on 1981 Fiat 127 would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (302 HP @ 4200 RPM) has 258 more horse power than 1981 Fiat 127. (44 HP @ 5000 RPM) In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 1981 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 1405 kg more than 1981 Fiat 127. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1981 Fiat 127. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Mercedes-Benz R (461 Nm @ 2700 RPM) has 386 more torque (in Nm) than 1981 Fiat 127. (75 Nm @ 3000 RPM). This means 2005 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 127. 2005 Mercedes-Benz R has automatic transmission and 1981 Fiat 127 has manual transmission. 1981 Fiat 127 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Fiat 127 | 2005 Mercedes-Benz R | |
| Make | Fiat | Mercedes-Benz |
| Model | 127 | R |
| Year Released | 1981 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1301 cc | 4966 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 44 HP | 302 HP |
| Engine RPM | 5000 RPM | 4200 RPM |
| Torque | 75 Nm | 461 Nm |
| Torque RPM | 3000 RPM | 2700 RPM |
| Engine Bore Size | 76.1 mm | 97 mm |
| Engine Stroke Size | 71.5 mm | 84 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 835 kg | 2240 kg |
| Vehicle Length | 3650 mm | 5160 mm |
| Vehicle Width | 1530 mm | 1930 mm |
| Vehicle Height | 1370 mm | 1660 mm |
| Wheelbase Size | 2230 mm | 2860 mm |
