1957 AC Ace vs. 1985 Lotus Esprit
To start off, 1985 Lotus Esprit is newer by 28 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 2,174 cc (4 cylinders), 1985 Lotus Esprit is equipped with a bigger engine. In terms of performance, 1985 Lotus Esprit (158 HP @ 6500 RPM) has 35 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1985 Lotus Esprit should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1985 Lotus Esprit weights approximately 174 kg more than 1957 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, 1985 Lotus Esprit (217 Nm @ 5000 RPM) has 50 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 1985 Lotus Esprit will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 1985 Lotus Esprit | |
| Make | AC | Lotus |
| Model | Ace | Esprit |
| Year Released | 1957 | 1985 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1971 cc | 2174 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 158 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 167 Nm | 217 Nm |
| Torque RPM | 4500 RPM | 5000 RPM |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1068 kg |
| Vehicle Length | 3850 mm | 4200 mm |
| Vehicle Width | 1520 mm | 1860 mm |
| Vehicle Height | 1250 mm | 1120 mm |
| Wheelbase Size | 2290 mm | 2490 mm |
| Fuel Tank Capacity | 59 L | 31 L |
