1958 AC Ace vs. 1999 BMW X5
To start off, 1999 BMW X5 is newer by 41 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 2,792 cc (6 cylinders), 1999 BMW X5 is equipped with a bigger engine. In terms of performance, 1999 BMW X5 (190 HP @ 5300 RPM) has 116 more horse power than 1958 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1999 BMW X5 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW X5 weights approximately 1080 kg more than 1958 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 BMW X5 (281 Nm) has 114 more torque (in Nm) than 1958 AC Ace. (167 Nm). This means 1999 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1999 BMW X5 | |
| Make | AC | BMW |
| Model | Ace | X5 |
| Year Released | 1958 | 1999 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 190 HP |
| Engine RPM | 4500 RPM | 5300 RPM |
| Torque | 167 Nm | 281 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 890 kg | 1970 kg |
| Vehicle Length | 3850 mm | 4670 mm |
| Vehicle Width | 1520 mm | 1880 mm |
| Vehicle Height | 1250 mm | 1710 mm |
| Wheelbase Size | 2290 mm | 2830 mm |
| Fuel Tank Capacity | 59 L | 67 L |
