2007 Fiat Siena vs. 1991 Vector Wiegert
To start off, 2007 Fiat Siena is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Vector Wiegert. In addition, the cost of maintenance, including insurance, on 1991 Vector Wiegert would be higher. At 5,973 cc (8 cylinders), 1991 Vector Wiegert is equipped with a bigger engine. In terms of performance, 1991 Vector Wiegert (644 HP) has 572 more horse power than 2007 Fiat Siena. (72 HP) In normal driving conditions, 1991 Vector Wiegert should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1991 Vector Wiegert weights approximately 480 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Vector Wiegert 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 1991 Vector Wiegert. However, in wet, icy, snow, or gravel driving conditions, 2007 Fiat Siena, 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, 1991 Vector Wiegert (854 Nm) has 752 more torque (in Nm) than 2007 Fiat Siena. (102 Nm). This means 1991 Vector Wiegert will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 1991 Vector Wiegert has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Vector Wiegert will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Fiat Siena | 1991 Vector Wiegert | |
| Make | Fiat | Vector |
| Model | Siena | Wiegert |
| Year Released | 2007 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1242 cc | 5973 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 72 HP | 644 HP |
| Torque | 102 Nm | 854 Nm |
| Engine Bore Size | 70.9 mm | 101.6 mm |
| Engine Stroke Size | 78.9 mm | 91.4 mm |
| Engine Compression Ratio | 9.1:1 | 8.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1550 kg |
| Vehicle Length | 3830 mm | 4380 mm |
| Vehicle Width | 1640 mm | 2090 mm |
| Vehicle Height | 1440 mm | 1070 mm |
| Wheelbase Size | 2380 mm | 2620 mm |
