1984 Ford Sierra vs. 1972 McLaren M21
To start off, 1984 Ford Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 1972 McLaren M21. In addition, the cost of maintenance, including insurance, on 1972 McLaren M21 would be higher. At 1,897 cc (4 cylinders), 1972 McLaren M21 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 192 more horse power than 1984 Ford Sierra. (75 HP @ 4800 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 575 kg more than 1972 McLaren M21.
Compare all specifications:
| 1984 Ford Sierra | 1972 McLaren M21 | |
| Make | Ford | McLaren |
| Model | Sierra | M21 |
| Year Released | 1984 | 1972 |
| Engine Size | 1593 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 267 HP |
| Engine RPM | 4800 RPM | 10000 RPM |
| Vehicle Weight | 1040 kg | 465 kg |
