1991 Audi S2 vs. 1978 Buick Regal
To start off, 1991 Audi S2 is newer by 13 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, 1991 Audi S2 (216 HP @ 5900 RPM) has 112 more horse power than 1978 Buick Regal. (104 HP @ 4000 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1978 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1978 Buick Regal weights approximately 10 kg more than 1991 Audi S2.
Because 1991 Audi S2 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, 1991 Audi S2 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 Audi S2 (309 Nm @ 1950 RPM) has 91 more torque (in Nm) than 1978 Buick Regal. (218 Nm @ 2000 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1978 Buick Regal.
Compare all specifications:
| 1991 Audi S2 | 1978 Buick Regal | |
| Make | Audi | Buick |
| Model | S2 | Regal |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 3214 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 104 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 309 Nm | 218 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1420 kg | 1430 kg |
| Vehicle Length | 4410 mm | 5090 mm |
| Vehicle Width | 1720 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2560 mm | 2750 mm |
