1991 Ford Thunderbird vs. 2008 Audi A4
To start off, 2008 Audi A4 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 18 more horse power than 2008 Audi A4. (179 HP @ 4000 RPM). In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 162 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Ford Thunderbird. In wet, icy, snow, or gravel driving conditions, 2008 Audi A4 will offer significantly more control. 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 3 more torque (in Nm) than 2008 Audi A4. (370 Nm @ 1500 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 1991 Ford Thunderbird | 2008 Audi A4 | |
| Make | Ford | Audi |
| Model | Thunderbird | A4 |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 179 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 373 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Engine Bore Size | 101.6 mm | 78.3 mm |
| Engine Stroke Size | 76.2 mm | 86.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1752 kg | 1590 kg |
| Vehicle Length | 5050 mm | 4550 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1430 mm |
| Wheelbase Size | 2880 mm | 2660 mm |
| Fuel Tank Capacity | 65 L | 66 L |
