1977 Cadillac Seville vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 30 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, 2007 Porsche 911 (351 HP @ 6600 RPM) has 173 more horse power than 1977 Cadillac Seville. (178 HP @ 4400 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1977 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1977 Cadillac Seville weights approximately 425 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Cadillac Seville. In wet, icy, snow, or gravel driving conditions, 2007 Porsche 911 will offer significantly more control. 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, 2007 Porsche 911 (400 Nm @ 4600 RPM) has 28 more torque (in Nm) than 1977 Cadillac Seville. (372 Nm @ 2000 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1977 Cadillac Seville. 1977 Cadillac Seville has automatic transmission and 2007 Porsche 911 has manual transmission. 2007 Porsche 911 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 | 2007 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | Seville | 911 |
| Year Released | 1977 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5735 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 178 HP | 351 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Torque | 372 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Engine Bore Size | 103 mm | 99 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1900 kg | 1475 kg |
| Vehicle Length | 5190 mm | 4430 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2910 mm | 2360 mm |
| Fuel Tank Capacity | 79 L | 67 L |
