1973 Fiat 128 vs. 1991 Mercedes-Benz 500
To start off, 1991 Mercedes-Benz 500 is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Fiat 128. In addition, the cost of maintenance, including insurance, on 1973 Fiat 128 would be higher. At 4,971 cc (8 cylinders), 1991 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 500 (326 HP @ 5700 RPM) has 263 more horse power than 1973 Fiat 128. (63 HP @ 6000 RPM) In normal driving conditions, 1991 Mercedes-Benz 500 should accelerate faster than 1973 Fiat 128. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 500 weights approximately 1192 kg more than 1973 Fiat 128. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Mercedes-Benz 500 (480 Nm @ 3900 RPM) has 397 more torque (in Nm) than 1973 Fiat 128. (83 Nm @ 4400 RPM). This means 1991 Mercedes-Benz 500 will have an easier job in driving up hills or pulling heavy equipment than 1973 Fiat 128.
Compare all specifications:
| 1973 Fiat 128 | 1991 Mercedes-Benz 500 | |
| Make | Fiat | Mercedes-Benz |
| Model | 128 | 500 |
| Year Released | 1973 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1116 cc | 4971 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 63 HP | 326 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 83 Nm | 480 Nm |
| Torque RPM | 4400 RPM | 3900 RPM |
| Engine Bore Size | 80 mm | 96.5 mm |
| Engine Stroke Size | 55.5 mm | 85 mm |
| Engine Compression Ratio | 8.8:1 | 10.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 820 kg | 2012 kg |
| Vehicle Length | 3820 mm | 5220 mm |
| Vehicle Width | 1570 mm | 1890 mm |
| Vehicle Height | 1320 mm | 1500 mm |
| Wheelbase Size | 2230 mm | 3150 mm |
| Fuel Tank Capacity | 50 L | 70 L |
