1985 Ford Sierra vs. 1955 Jaguar XK
To start off, 1985 Ford Sierra is newer by 30 year(s). Which means there will be less support and parts availability for 1955 Jaguar XK. In addition, the cost of maintenance, including insurance, on 1955 Jaguar XK would be higher. At 3,441 cc (6 cylinders), 1955 Jaguar XK is equipped with a bigger engine. In terms of performance, 1955 Jaguar XK (190 HP @ 5500 RPM) has 42 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 1955 Jaguar XK should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1955 Jaguar XK weights approximately 217 kg more than 1985 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1955 Jaguar XK (285 Nm @ 2500 RPM) has 65 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 1955 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 1955 Jaguar XK | |
| Make | Ford | Jaguar |
| Model | Sierra | XK |
| Year Released | 1985 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 3441 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 190 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 220 Nm | 285 Nm |
| Torque RPM | 3800 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 68.5 mm | 106 mm |
| Vehicle Weight | 1205 kg | 1422 kg |
| Vehicle Length | 4400 mm | 4480 mm |
| Vehicle Width | 1680 mm | 1650 mm |
| Vehicle Height | 1370 mm | 1340 mm |
| Wheelbase Size | 2620 mm | 2600 mm |
