1991 Audi S2 vs. 1978 Cadillac Eldorado
To start off, 1991 Audi S2 is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Cadillac Eldorado. In addition, the cost of maintenance, including insurance, on 1978 Cadillac Eldorado would be higher. At 6,964 cc (8 cylinders), 1978 Cadillac Eldorado is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 45 more horse power than 1978 Cadillac Eldorado. (171 HP @ 4000 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1978 Cadillac Eldorado. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Eldorado weights approximately 810 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 Cadillac Eldorado. 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 Cadillac Eldorado (433 Nm @ 2000 RPM) has 124 more torque (in Nm) than 1991 Audi S2. (309 Nm @ 1950 RPM). This means 1978 Cadillac Eldorado will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi S2.
Compare all specifications:
| 1991 Audi S2 | 1978 Cadillac Eldorado | |
| Make | Audi | Cadillac |
| Model | S2 | Eldorado |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 6964 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 216 HP | 171 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 309 Nm | 433 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Bore Size | 81.1 mm | 103.6 mm |
| Engine Stroke Size | 86.4 mm | 103.1 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1420 kg | 2230 kg |
| Vehicle Length | 4410 mm | 5700 mm |
| Vehicle Width | 1720 mm | 2040 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2560 mm | 3210 mm |
