2008 Chevrolet Optra vs. 1991 Ford Thunderbird
To start off, 2008 Chevrolet Optra is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Ford Thunderbird. In addition, the cost of maintenance, including insurance, on 1991 Ford Thunderbird would be higher. At 4,942 cc (8 cylinders), 1991 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 1991 Ford Thunderbird (197 HP @ 4000 RPM) has 77 more horse power than 2008 Chevrolet Optra. (120 HP @ 5800 RPM) In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 2008 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 541 kg more than 2008 Chevrolet Optra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Ford Thunderbird 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 Ford Thunderbird. However, in wet, icy, snow, or gravel driving conditions, 2008 Chevrolet Optra, 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 Ford Thunderbird (373 Nm @ 3000 RPM) has 208 more torque (in Nm) than 2008 Chevrolet Optra. (165 Nm @ 4000 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet Optra.
Compare all specifications:
| 2008 Chevrolet Optra | 1991 Ford Thunderbird | |
| Make | Chevrolet | Ford |
| Model | Optra | Thunderbird |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 4942 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 197 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 165 Nm | 373 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 81.7 mm | 101.6 mm |
| Engine Stroke Size | 86 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1211 kg | 1752 kg |
| Vehicle Length | 4510 mm | 5050 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1350 mm |
| Wheelbase Size | 2610 mm | 2880 mm |
| Fuel Tank Capacity | 60 L | 65 L |
