2003 Audi RS4 vs. 1978 Buick Regal
To start off, 2003 Audi RS4 is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Buick Regal. In addition, the cost of maintenance, including insurance, on 1978 Buick Regal would be higher. At 3,214 cc (6 cylinders), 1978 Buick Regal is equipped with a bigger engine. In terms of performance, 2003 Audi RS4 (377 HP @ 6300 RPM) has 287 more horse power than 1978 Buick Regal. (90 HP @ 3600 RPM). In normal driving conditions, 2003 Audi RS4 should accelerate faster than 1978 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS4 weights approximately 155 kg more than 1978 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2003 Audi RS4 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, 2003 Audi RS4 (449 Nm @ 2500 RPM) has 225 more torque (in Nm) than 1978 Buick Regal. (224 Nm @ 2000 RPM). This means 2003 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Buick Regal.
Compare all specifications:
| 2003 Audi RS4 | 1978 Buick Regal | |
| Make | Audi | Buick |
| Model | RS4 | Regal |
| Year Released | 2003 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3214 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 377 HP | 90 HP |
| Engine RPM | 6300 RPM | 3600 RPM |
| Torque | 449 Nm | 224 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1585 kg | 1430 kg |
| Vehicle Length | 4480 mm | 5090 mm |
| Vehicle Width | 1740 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2750 mm |
