1958 AC Ace vs. 1989 BMW 850
To start off, 1989 BMW 850 is newer by 31 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 4,988 cc (12 cylinders), 1989 BMW 850 is equipped with a bigger engine. In terms of performance, 1989 BMW 850 (296 HP @ 5200 RPM) has 171 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 1989 BMW 850 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1989 BMW 850 weights approximately 361 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, 1989 BMW 850 (450 Nm @ 4100 RPM) has 283 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 1989 BMW 850 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1989 BMW 850 | |
| Make | AC | BMW |
| Model | Ace | 850 |
| Year Released | 1958 | 1989 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 4988 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 125 HP | 296 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 167 Nm | 450 Nm |
| Torque RPM | 4500 RPM | 4100 RPM |
| Engine Compression Ratio | 9.0:1 | 8.8:1 |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1255 kg |
| Vehicle Length | 4010 mm | 4790 mm |
| Vehicle Width | 1520 mm | 1860 mm |
| Vehicle Height | 1270 mm | 1350 mm |
| Wheelbase Size | 2290 mm | 2690 mm |
| Fuel Tank Capacity | 59 L | 90 L |
