1986 Buick Regal vs. 2003 Proton 400
To start off, 2003 Proton 400 is newer by 17 year(s). Which means there will be less support and parts availability for 1986 Buick Regal. In addition, the cost of maintenance, including insurance, on 1986 Buick Regal would be higher. At 3,791 cc (6 cylinders), 1986 Buick Regal is equipped with a bigger engine. In terms of performance, 1986 Buick Regal (235 HP @ 4400 RPM) has 161 more horse power than 2003 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 1986 Buick Regal should accelerate faster than 2003 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 1986 Buick Regal weights approximately 520 kg more than 2003 Proton 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Buick Regal 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 1986 Buick Regal. However, in wet, icy, snow, or gravel driving conditions, 2003 Proton 400, 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, 1986 Buick Regal (448 Nm @ 2800 RPM) has 340 more torque (in Nm) than 2003 Proton 400. (108 Nm @ 3000 RPM). This means 1986 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2003 Proton 400. 1986 Buick Regal has automatic transmission and 2003 Proton 400 has manual transmission. 2003 Proton 400 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1986 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Buick Regal | 2003 Proton 400 | |
| Make | Buick | Proton |
| Model | Regal | 400 |
| Year Released | 1986 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 235 HP | 74 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 448 Nm | 108 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1490 kg | 970 kg |
| Vehicle Length | 5100 mm | 4370 mm |
| Vehicle Width | 1830 mm | 1700 mm |
| Vehicle Height | 1390 mm | 1390 mm |
| Wheelbase Size | 2750 mm | 2510 mm |
