1963 AC Cobra vs. 1951 Triumph Renown
To start off, 1963 AC Cobra is newer by 12 year(s). Which means there will be less support and parts availability for 1951 Triumph Renown. In addition, the cost of maintenance, including insurance, on 1951 Triumph Renown would be higher. At 4,727 cc (8 cylinders), 1963 AC Cobra is equipped with a bigger engine. In terms of performance, 1963 AC Cobra (271 HP @ 5750 RPM) has 204 more horse power than 1951 Triumph Renown. (67 HP @ 4200 RPM). In normal driving conditions, 1963 AC Cobra should accelerate faster than 1951 Triumph Renown. With that said, vehicle weight also plays an important factor in acceleration. 1951 Triumph Renown weights approximately 234 kg more than 1963 AC Cobra.
Let's talk about torque, 1963 AC Cobra (423 Nm @ 4500 RPM) has 276 more torque (in Nm) than 1951 Triumph Renown. (147 Nm @ 2000 RPM). This means 1963 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 1951 Triumph Renown.
Compare all specifications:
| 1963 AC Cobra | 1951 Triumph Renown | |
| Make | AC | Triumph |
| Model | Cobra | Renown |
| Year Released | 1963 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 4727 cc | 2088 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 271 HP | 67 HP |
| Engine RPM | 5750 RPM | 4200 RPM |
| Torque | 423 Nm | 147 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1050 kg | 1284 kg |
| Vehicle Length | 3850 mm | 4450 mm |
| Vehicle Width | 1560 mm | 1630 mm |
| Vehicle Height | 1250 mm | 1610 mm |
| Wheelbase Size | 2290 mm | 2750 mm |
