2006 BMW Z4 vs. 1951 Triumph Renown
To start off, 2006 BMW Z4 is newer by 55 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 2,170 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (168 HP @ 6250 RPM) has 101 more horse power than 1951 Triumph Renown. (67 HP @ 4200 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1951 Triumph Renown. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 41 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, 2006 BMW Z4 (210 Nm @ 3500 RPM) has 63 more torque (in Nm) than 1951 Triumph Renown. (147 Nm @ 2000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1951 Triumph Renown.
Compare all specifications:
| 2006 BMW Z4 | 1951 Triumph Renown | |
| Make | BMW | Triumph |
| Model | Z4 | Renown |
| Year Released | 2006 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 2088 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 67 HP |
| Engine RPM | 6250 RPM | 4200 RPM |
| Torque | 210 Nm | 147 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 85 mm |
| Engine Stroke Size | 72 mm | 92 mm |
| Engine Compression Ratio | 10.8:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1325 kg | 1284 kg |
| Vehicle Length | 4100 mm | 4450 mm |
| Vehicle Width | 1790 mm | 1630 mm |
| Vehicle Height | 1310 mm | 1610 mm |
| Wheelbase Size | 2500 mm | 2750 mm |
