1991 Audi S2 vs. 1978 Buick Estate
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 Estate. In addition, the cost of maintenance, including insurance, on 1978 Buick Estate would be higher. At 5,736 cc (8 cylinders), 1978 Buick Estate is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 63 more horse power than 1978 Buick Estate. (153 HP @ 3400 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1978 Buick Estate. With that said, vehicle weight also plays an important factor in acceleration. 1978 Buick Estate weights approximately 460 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 Estate. 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, 1978 Buick Estate (381 Nm @ 1800 RPM) has 72 more torque (in Nm) than 1991 Audi S2. (309 Nm @ 1950 RPM). This means 1978 Buick Estate will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi S2. 1978 Buick Estate has automatic transmission and 1991 Audi S2 has manual transmission. 1991 Audi S2 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Buick Estate will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi S2 | 1978 Buick Estate | |
| Make | Audi | Buick |
| Model | S2 | Estate |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 5736 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 216 HP | 153 HP |
| Engine RPM | 5900 RPM | 3400 RPM |
| Torque | 309 Nm | 381 Nm |
| Torque RPM | 1950 RPM | 1800 RPM |
| Engine Bore Size | 81.1 mm | 96.5 mm |
| Engine Stroke Size | 86.4 mm | 97.8 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1420 kg | 1880 kg |
| Vehicle Length | 4410 mm | 5510 mm |
| Vehicle Width | 1720 mm | 1990 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2560 mm | 2950 mm |
