1958 AC Ace vs. 1993 BMW 840
To start off, 1993 BMW 840 is newer by 35 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 3,982 cc (8 cylinders), 1993 BMW 840 is equipped with a bigger engine. In terms of performance, 1993 BMW 840 (283 HP @ 5800 RPM) has 158 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 1993 BMW 840 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1993 BMW 840 weights approximately 846 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, 1993 BMW 840 (400 Nm @ 5100 RPM) has 233 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 1993 BMW 840 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1993 BMW 840 | |
| Make | AC | BMW |
| Model | Ace | 840 |
| Year Released | 1958 | 1993 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3982 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 283 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 167 Nm | 400 Nm |
| Torque RPM | 4500 RPM | 5100 RPM |
| Engine Bore Size | 66 mm | 89 mm |
| Engine Stroke Size | 96 mm | 80 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1740 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 | 63 L |
