1965 AC 427 vs. 2003 Cadillac CTS
To start off, 2003 Cadillac CTS is newer by 38 year(s). Which means there will be less support and parts availability for 1965 AC 427. In addition, the cost of maintenance, including insurance, on 1965 AC 427 would be higher. At 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 231 more horse power than 2003 Cadillac CTS. (179 HP @ 6000 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 2003 Cadillac CTS. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac CTS weights approximately 223 kg more than 1965 AC 427.
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, 1965 AC 427 (652 Nm @ 3700 RPM) has 407 more torque (in Nm) than 2003 Cadillac CTS. (245 Nm @ 3400 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 2003 Cadillac CTS. 1965 AC 427 has automatic transmission and 2003 Cadillac CTS has manual transmission. 2003 Cadillac CTS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1965 AC 427 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1965 AC 427 | 2003 Cadillac CTS | |
| Make | AC | Cadillac |
| Model | 427 | CTS |
| Year Released | 1965 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 2597 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 410 HP | 179 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 652 Nm | 245 Nm |
| Torque RPM | 3700 RPM | 3400 RPM |
| Engine Bore Size | 107.7 mm | 83.3 mm |
| Engine Stroke Size | 96 mm | 79.6 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1397 kg | 1620 kg |
| Vehicle Length | 4430 mm | 4840 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1450 mm |
| Wheelbase Size | 2440 mm | 2890 mm |
| Fuel Tank Capacity | 81 L | 64 L |
