2005 Alpina B3 vs. 1985 Renault 25
To start off, 2005 Alpina B3 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 Renault 25. In addition, the cost of maintenance, including insurance, on 1985 Renault 25 would be higher. At 3,346 cc (6 cylinders), 2005 Alpina B3 is equipped with a bigger engine. In terms of performance, 2005 Alpina B3 (301 HP @ 6300 RPM) has 238 more horse power than 1985 Renault 25. (63 HP @ 4500 RPM). In normal driving conditions, 2005 Alpina B3 should accelerate faster than 1985 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina B3 weights approximately 770 kg more than 1985 Renault 25. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Alpina B3 (362 Nm @ 4800 RPM) has 233 more torque (in Nm) than 1985 Renault 25. (129 Nm @ 2250 RPM). This means 2005 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 25.
Compare all specifications:
| 2005 Alpina B3 | 1985 Renault 25 | |
| Make | Alpina | Renault |
| Model | B3 | 25 |
| Year Released | 2005 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 63 HP |
| Engine RPM | 6300 RPM | 4500 RPM |
| Torque | 362 Nm | 129 Nm |
| Torque RPM | 4800 RPM | 2250 RPM |
| Engine Bore Size | 87.1 mm | 86.1 mm |
| Engine Stroke Size | 93.9 mm | 89 mm |
| Engine Compression Ratio | 10.0:1 | 21.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1950 kg | 1180 kg |
| Vehicle Length | 4480 mm | 4630 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 38 L |
