1978 Cadillac Seville vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 21 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, 1999 Opel Omega (142 HP @ 5400 RPM) has 19 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 225 kg more than 1999 Opel Omega.
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 94 more torque (in Nm) than 1999 Opel Omega. (210 Nm @ 4000 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega. 1978 Cadillac Seville has automatic transmission and 1999 Opel Omega has manual transmission. 1999 Opel Omega 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 | 1999 Opel Omega | |
| Make | Cadillac | Opel |
| Model | Seville | Omega |
| Year Released | 1978 | 1999 |
| Engine Position | Front | Middle |
| Engine Size | 5735 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 142 HP |
| Engine RPM | 3600 RPM | 5400 RPM |
| Torque | 304 Nm | 210 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Bore Size | 103 mm | 86 mm |
| Engine Stroke Size | 86 mm | 94.6 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1665 kg |
| Vehicle Length | 5190 mm | 4900 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2910 mm | 2740 mm |
| Fuel Tank Capacity | 79 L | 75 L |
