2007 BMW Z4 vs. 1978 Cadillac Seville
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 Seville. In addition, the cost of maintenance, including insurance, on 1978 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (148 HP @ 6200 RPM) has 25 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 595 kg more than 2007 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Seville (304 Nm @ 1600 RPM) has 104 more torque (in Nm) than 2007 BMW Z4. (200 Nm @ 3600 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 1978 Cadillac Seville has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 1978 Cadillac Seville | |
| Make | BMW | Cadillac |
| Model | Z4 | Seville |
| Year Released | 2007 | 1978 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 5735 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 123 HP |
| Engine RPM | 6200 RPM | 3600 RPM |
| Torque | 200 Nm | 304 Nm |
| Torque RPM | 3600 RPM | 1600 RPM |
| Engine Bore Size | 84 mm | 103 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1295 kg | 1890 kg |
| Vehicle Length | 4100 mm | 5190 mm |
| Vehicle Width | 1310 mm | 1830 mm |
| Vehicle Height | 1790 mm | 1400 mm |
| Wheelbase Size | 2500 mm | 2910 mm |
| Fuel Tank Capacity | 55 L | 79 L |
