1986 Buick Regal vs. 2004 Opel Zafira
To start off, 2004 Opel Zafira is newer by 18 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 112 more horse power than 2004 Opel Zafira. (123 HP @ 4000 RPM). In normal driving conditions, 1986 Buick Regal should accelerate faster than 2004 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Zafira weights approximately 60 kg more than 1986 Buick Regal.
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, 2004 Opel Zafira, 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 178 more torque (in Nm) than 2004 Opel Zafira. (270 Nm @ 1500 RPM). This means 1986 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Zafira. 1986 Buick Regal has automatic transmission and 2004 Opel Zafira has manual transmission. 2004 Opel Zafira 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 | 2004 Opel Zafira | |
| Make | Buick | Opel |
| Model | Regal | Zafira |
| Year Released | 1986 | 2004 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 235 HP | 123 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 448 Nm | 270 Nm |
| Torque RPM | 2800 RPM | 1500 RPM |
| Engine Bore Size | 96.5 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 98 mm |
| Engine Compression Ratio | 8.0:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1550 kg |
| Vehicle Length | 5100 mm | 4320 mm |
| Vehicle Width | 1830 mm | 1750 mm |
| Vehicle Height | 1390 mm | 1640 mm |
| Wheelbase Size | 2750 mm | 2710 mm |
| Fuel Tank Capacity | 68 L | 58 L |
