1978 Cadillac Seville vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 33 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, 2011 BMW Z4 (182 HP @ 5000 RPM) has 59 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 2011 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 410 kg more than 2011 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 34 more torque (in Nm) than 2011 BMW Z4. (270 Nm @ 1250 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW Z4. 1978 Cadillac Seville has automatic transmission and 2011 BMW Z4 has manual transmission. 2011 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:
| 1978 Cadillac Seville | 2011 BMW Z4 | |
| Make | Cadillac | BMW |
| Model | Seville | Z4 |
| Year Released | 1978 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 1997 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 182 HP |
| Engine RPM | 3600 RPM | 5000 RPM |
| Torque | 304 Nm | 270 Nm |
| Torque RPM | 1600 RPM | 1250 RPM |
| Engine Bore Size | 103 mm | 90.1 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1890 kg | 1480 kg |
| Vehicle Length | 5190 mm | 4239 mm |
| Vehicle Width | 1830 mm | 1791 mm |
| Vehicle Height | 1400 mm | 1290 mm |
| Wheelbase Size | 2910 mm | 2497 mm |
| Fuel Tank Capacity | 79 L | 55 L |
