1999 Pontiac Firebird vs. 2013 Cadillac XTS
To start off, 2013 Cadillac XTS is newer by 14 year(s). Which means there will be less support and parts availability for 1999 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1999 Pontiac Firebird would be higher. At 3,785 cc (6 cylinders), 1999 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2013 Cadillac XTS (314 HP) has 114 more horse power than 1999 Pontiac Firebird. (200 HP) In normal driving conditions, 2013 Cadillac XTS should accelerate faster than 1999 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac XTS weights approximately 407 kg more than 1999 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Cadillac XTS is all wheel drive (AWD), it will have significant more traction and grip than 1999 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2013 Cadillac XTS 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, 2013 Cadillac XTS (358 Nm @ 5200 RPM) has 53 more torque (in Nm) than 1999 Pontiac Firebird. (305 Nm @ 4000 RPM). This means 2013 Cadillac XTS will have an easier job in driving up hills or pulling heavy equipment than 1999 Pontiac Firebird. 2013 Cadillac XTS has automatic transmission and 1999 Pontiac Firebird has manual transmission. 1999 Pontiac Firebird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Cadillac XTS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Pontiac Firebird | 2013 Cadillac XTS | |
| Make | Pontiac | Cadillac |
| Model | Firebird | XTS |
| Year Released | 1999 | 2013 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3785 cc | 3564 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 200 HP | 314 HP |
| Torque | 305 Nm | 358 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Engine Bore Size | 96.5 mm | 94 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.4:1 | 11.5 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1505 kg | 1912 kg |
| Vehicle Length | 4920 mm | 5131 mm |
| Vehicle Width | 1900 mm | 1852 mm |
| Vehicle Height | 1310 mm | 1510 mm |
| Wheelbase Size | 2570 mm | 2837 mm |
| Fuel Tank Capacity | 58 L | 76 L |
