2006 Chevrolet SSR vs. 1972 McLaren M21
To start off, 2006 Chevrolet SSR is newer by 34 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 5,965 cc (8 cylinders), 2006 Chevrolet SSR is equipped with a bigger engine. In terms of performance, 2006 Chevrolet SSR (401 HP @ 6000 RPM) has 134 more horse power than 1972 McLaren M21. (267 HP @ 10000 RPM). In normal driving conditions, 2006 Chevrolet SSR should accelerate faster than 1972 McLaren M21. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chevrolet SSR weights approximately 613 kg more than 1972 McLaren M21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2006 Chevrolet SSR | 1972 McLaren M21 | |
| Make | Chevrolet | McLaren |
| Model | SSR | M21 |
| Year Released | 2006 | 1972 |
| Engine Size | 5965 cc | 1897 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 401 HP | 267 HP |
| Engine RPM | 6000 RPM | 10000 RPM |
| Vehicle Weight | 1078 kg | 465 kg |
