2007 Audi S4 vs. 1989 Ford Thunderbird
To start off, 2007 Audi S4 is newer by 18 year(s). Which means there will be less support and parts availability for 1989 Ford Thunderbird. In addition, the cost of maintenance, including insurance, on 1989 Ford Thunderbird would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 203 more horse power than 1989 Ford Thunderbird. (138 HP @ 3800 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1989 Ford Thunderbird.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 119 more torque (in Nm) than 1989 Ford Thunderbird. (291 Nm @ 2400 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Thunderbird.
Compare all specifications:
| 2007 Audi S4 | 1989 Ford Thunderbird | |
| Make | Audi | Ford |
| Model | S4 | Thunderbird |
| Year Released | 2007 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 341 HP | 138 HP |
| Engine RPM | 7000 RPM | 3800 RPM |
| Torque | 410 Nm | 291 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Engine Bore Size | 84.6 mm | 96.8 mm |
| Engine Stroke Size | 92.7 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4590 mm | 5050 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2650 mm | 2880 mm |
| Fuel Tank Capacity | 63 L | 45 L |
