2005 Audi S4 vs. 1978 Cadillac Eldorado
To start off, 2005 Audi S4 is newer by 27 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, 2005 Audi S4 (340 HP @ 6300 RPM) has 169 more horse power than 1978 Cadillac Eldorado. (171 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1978 Cadillac Eldorado. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Eldorado weights approximately 390 kg more than 2005 Audi S4.
Let's talk about torque, 1978 Cadillac Eldorado (433 Nm) has 23 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1978 Cadillac Eldorado will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1978 Cadillac Eldorado | |
| Make | Audi | Cadillac |
| Model | S4 | Eldorado |
| Year Released | 2005 | 1978 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 6964 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 171 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 410 Nm | 433 Nm |
| Engine Bore Size | 85 mm | 103.6 mm |
| Engine Stroke Size | 93 mm | 103.1 mm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 2230 kg |
| Vehicle Length | 4580 mm | 5700 mm |
| Vehicle Width | 1780 mm | 2040 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 3210 mm |
