1971 Sunbeam Rapier vs. 2010 Infiniti M
To start off, 2010 Infiniti M is newer by 39 year(s). Which means there will be less support and parts availability for 1971 Sunbeam Rapier. In addition, the cost of maintenance, including insurance, on 1971 Sunbeam Rapier would be higher. At 4,493 cc (8 cylinders), 2010 Infiniti M is equipped with a bigger engine. In terms of performance, 2010 Infiniti M (325 HP @ 6400 RPM) has 246 more horse power than 1971 Sunbeam Rapier. (79 HP @ 5200 RPM) In normal driving conditions, 2010 Infiniti M should accelerate faster than 1971 Sunbeam Rapier. With that said, vehicle weight also plays an important factor in acceleration. 2010 Infiniti M weights approximately 689 kg more than 1971 Sunbeam Rapier. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 1971 Sunbeam Rapier. In wet, icy, snow, or gravel driving conditions, 2010 Infiniti M 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, 2010 Infiniti M (456 Nm @ 4000 RPM) has 330 more torque (in Nm) than 1971 Sunbeam Rapier. (126 Nm @ 3800 RPM). This means 2010 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1971 Sunbeam Rapier.
Compare all specifications:
| 1971 Sunbeam Rapier | 2010 Infiniti M | |
| Make | Sunbeam | Infiniti |
| Model | Rapier | M |
| Year Released | 1971 | 2010 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1725 cc | 4493 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 79 HP | 325 HP |
| Engine RPM | 5200 RPM | 6400 RPM |
| Torque | 126 Nm | 456 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Compression Ratio | 9.2:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1030 kg | 1719 kg |
| Vehicle Length | 4440 mm | 4940 mm |
| Vehicle Width | 1670 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1530 mm |
| Wheelbase Size | 2510 mm | 2910 mm |
| Fuel Tank Capacity | 68 L | 76 L |
