2007 BMW Z4 vs. 1978 Cadillac Eldorado
To start off, 2007 BMW Z4 is newer by 29 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, 2007 BMW Z4 (215 HP @ 6500 RPM) has 44 more horse power than 1978 Cadillac Eldorado. (171 HP @ 4000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1978 Cadillac Eldorado. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Eldorado weights approximately 868 kg more than 2007 BMW Z4.
Because 2007 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1978 Cadillac Eldorado, being front wheel drive (FWD), will offer much better control with better grip. 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 183 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 1978 Cadillac Eldorado will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 1978 Cadillac Eldorado | |
| Make | BMW | Cadillac |
| Model | Z4 | Eldorado |
| Year Released | 2007 | 1978 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 6964 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 171 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 250 Nm | 433 Nm |
| Torque RPM | 2750 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 103.6 mm |
| Engine Stroke Size | 78.8 mm | 103.1 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1362 kg | 2230 kg |
| Vehicle Length | 4100 mm | 5700 mm |
| Vehicle Width | 1310 mm | 2040 mm |
| Vehicle Height | 1790 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 3210 mm |
