1999 AC Ace vs. 2005 Cadillac XLR
To start off, 2005 Cadillac XLR is newer by 6 year(s). Which means there will be less support and parts availability for 1999 AC Ace. In addition, the cost of maintenance, including insurance, on 1999 AC Ace would be higher. At 4,564 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 1999 AC Ace (351 HP @ 6500 RPM) has 29 more horse power than 2005 Cadillac XLR. (322 HP @ 6400 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 2005 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac XLR weights approximately 629 kg more than 1999 AC Ace.
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, 2005 Cadillac XLR (420 Nm @ 4000 RPM) has 20 more torque (in Nm) than 1999 AC Ace. (400 Nm @ 4000 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1999 AC Ace. 2005 Cadillac XLR has automatic transmission and 1999 AC Ace has manual transmission. 1999 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 AC Ace | 2005 Cadillac XLR | |
| Make | AC | Cadillac |
| Model | Ace | XLR |
| Year Released | 1999 | 2005 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 4564 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 351 HP | 322 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 400 Nm | 420 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 81 mm | 84 mm |
| Engine Compression Ratio | 8.0:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1025 kg | 1654 kg |
| Vehicle Length | 4430 mm | 4520 mm |
| Vehicle Width | 1880 mm | 1840 mm |
| Vehicle Height | 1310 mm | 1290 mm |
| Wheelbase Size | 2480 mm | 2690 mm |
| Fuel Tank Capacity | 90 L | 68 L |
