1986 Ford Sierra vs. 1970 TVR Vixen
To start off, 1986 Ford Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1970 TVR Vixen. In addition, the cost of maintenance, including insurance, on 1970 TVR Vixen would be higher. At 2,792 cc (6 cylinders), 1986 Ford Sierra is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (160 HP @ 5700 RPM) has 77 more horse power than 1970 TVR Vixen. (83 HP @ 5500 RPM). In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1970 TVR Vixen. With that said, vehicle weight also plays an important factor in acceleration. 1986 Ford Sierra weights approximately 479 kg more than 1970 TVR Vixen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1970 TVR Vixen. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra 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, 1986 Ford Sierra (216 Nm @ 4300 RPM) has 91 more torque (in Nm) than 1970 TVR Vixen. (125 Nm @ 4000 RPM). This means 1986 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1970 TVR Vixen.
Compare all specifications:
| 1986 Ford Sierra | 1970 TVR Vixen | |
| Make | Ford | TVR |
| Model | Sierra | Vixen |
| Year Released | 1986 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 1599 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 160 HP | 83 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 216 Nm | 125 Nm |
| Torque RPM | 4300 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 81.1 mm |
| Engine Stroke Size | 68.5 mm | 77.6 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1266 kg | 787 kg |
| Vehicle Length | 4430 mm | 3690 mm |
| Vehicle Width | 1730 mm | 1630 mm |
| Wheelbase Size | 2610 mm | 2290 mm |
| Fuel Tank Capacity | 116 L | 58 L |
