1971 BMW 3 vs. 1951 Triumph Renown
To start off, 1971 BMW 3 is newer by 20 year(s). Which means there will be less support and parts availability for 1951 Triumph Renown. In addition, the cost of maintenance, including insurance, on 1951 Triumph Renown would be higher. At 2,986 cc (6 cylinders), 1971 BMW 3 is equipped with a bigger engine. In terms of performance, 1971 BMW 3 (180 HP @ 6000 RPM) has 113 more horse power than 1951 Triumph Renown. (67 HP @ 4200 RPM). In normal driving conditions, 1971 BMW 3 should accelerate faster than 1951 Triumph Renown. With that said, vehicle weight also plays an important factor in acceleration. 1971 BMW 3 weights approximately 96 kg more than 1951 Triumph Renown. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1971 BMW 3 (255 Nm @ 3700 RPM) has 108 more torque (in Nm) than 1951 Triumph Renown. (147 Nm @ 2000 RPM). This means 1971 BMW 3 will have an easier job in driving up hills or pulling heavy equipment than 1951 Triumph Renown.
Compare all specifications:
| 1971 BMW 3 | 1951 Triumph Renown | |
| Make | BMW | Triumph |
| Model | 3 | Renown |
| Year Released | 1971 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2088 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 180 HP | 67 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 255 Nm | 147 Nm |
| Torque RPM | 3700 RPM | 2000 RPM |
| Engine Bore Size | 89 mm | 85 mm |
| Engine Stroke Size | 80 mm | 92 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1380 kg | 1284 kg |
| Vehicle Length | 4740 mm | 4450 mm |
| Vehicle Width | 1700 mm | 1630 mm |
| Vehicle Height | 1370 mm | 1610 mm |
| Wheelbase Size | 2670 mm | 2750 mm |
