1977 Cadillac Seville vs. 2003 Opel Speedster
To start off, 2003 Opel Speedster is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1977 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1977 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2003 Opel Speedster (197 HP @ 5500 RPM) has 19 more horse power than 1977 Cadillac Seville. (178 HP @ 4400 RPM) In normal driving conditions, 2003 Opel Speedster should accelerate faster than 1977 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1977 Cadillac Seville weights approximately 895 kg more than 2003 Opel Speedster.
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, 1977 Cadillac Seville (372 Nm @ 2000 RPM) has 122 more torque (in Nm) than 2003 Opel Speedster. (250 Nm @ 1950 RPM). This means 1977 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster. 1977 Cadillac Seville has automatic transmission and 2003 Opel Speedster has manual transmission. 2003 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Cadillac Seville | 2003 Opel Speedster | |
| Make | Cadillac | Opel |
| Model | Seville | Speedster |
| Year Released | 1977 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 5735 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 178 HP | 197 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 372 Nm | 250 Nm |
| Torque RPM | 2000 RPM | 1950 RPM |
| Engine Bore Size | 103 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1900 kg | 1005 kg |
| Vehicle Length | 5190 mm | 3790 mm |
| Vehicle Width | 1830 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1120 mm |
| Wheelbase Size | 2910 mm | 2400 mm |
| Fuel Tank Capacity | 79 L | 36 L |
