2008 Audi A8 vs. 1991 Ford Thunderbird
To start off, 2008 Audi A8 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 4,172 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 192 more horse power than 1991 Ford Thunderbird. (138 HP @ 3800 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 1991 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 300 kg more than 1991 Ford Thunderbird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 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 A8 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, 2008 Audi A8 (431 Nm @ 3500 RPM) has 140 more torque (in Nm) than 1991 Ford Thunderbird. (291 Nm @ 2400 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Thunderbird.
Compare all specifications:
| 2008 Audi A8 | 1991 Ford Thunderbird | |
| Make | Audi | Ford |
| Model | A8 | Thunderbird |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 330 HP | 138 HP |
| Engine RPM | 6500 RPM | 3800 RPM |
| Torque | 431 Nm | 291 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Engine Bore Size | 84.5 mm | 96.9 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1610 kg |
| Vehicle Length | 5190 mm | 5050 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1350 mm |
| Wheelbase Size | 3080 mm | 2880 mm |
| Fuel Tank Capacity | 90 L | 45 L |
