1991 Cadillac Allante vs. 1990 Porsche 911
To start off, 1991 Cadillac Allante is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 4,087 cc (8 cylinders), 1991 Cadillac Allante is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (228 HP @ 5900 RPM) has 60 more horse power than 1991 Cadillac Allante. (168 HP @ 4300 RPM) In normal driving conditions, 1990 Porsche 911 should accelerate faster than 1991 Cadillac Allante. With that said, vehicle weight also plays an important factor in acceleration. 1991 Cadillac Allante weights approximately 354 kg more than 1990 Porsche 911.
Because 1990 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1990 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1991 Cadillac Allante, being front wheel drive (FWD), will offer much better control with better grip. 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. 1991 Cadillac Allante has automatic transmission and 1990 Porsche 911 has manual transmission. 1990 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Cadillac Allante will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Cadillac Allante | 1990 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | Allante | 911 |
| Year Released | 1991 | 1990 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4087 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 168 HP | 228 HP |
| Engine RPM | 4300 RPM | 5900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1236 kg |
| Vehicle Length | 4550 mm | 4300 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1330 mm | 1330 mm |
| Wheelbase Size | 2530 mm | 2280 mm |
| Fuel Tank Capacity | 75 L | 80 L |
