1999 AC Ace vs. 1981 Renault 18
To start off, 1999 AC Ace is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Renault 18. In addition, the cost of maintenance, including insurance, on 1981 Renault 18 would be higher. At 3,506 cc (8 cylinders), 1999 AC Ace is equipped with a bigger engine. In terms of performance, 1999 AC Ace (351 HP @ 6500 RPM) has 285 more horse power than 1981 Renault 18. (66 HP @ 4500 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 1981 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1981 Renault 18 weights approximately 25 kg more than 1999 AC Ace.
Because 1999 AC Ace is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 AC Ace. However, in wet, icy, snow, or gravel driving conditions, 1981 Renault 18, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1999 AC Ace (400 Nm @ 4000 RPM) has 276 more torque (in Nm) than 1981 Renault 18. (124 Nm @ 2250 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18.
Compare all specifications:
| 1999 AC Ace | 1981 Renault 18 | |
| Make | AC | Renault |
| Model | Ace | 18 |
| Year Released | 1999 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 2068 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 351 HP | 66 HP |
| Engine RPM | 6500 RPM | 4500 RPM |
| Torque | 400 Nm | 124 Nm |
| Torque RPM | 4000 RPM | 2250 RPM |
| Engine Bore Size | 83 mm | 86.1 mm |
| Engine Stroke Size | 81 mm | 89 mm |
| Drive Type | Rear | Front |
| Vehicle Weight | 1025 kg | 1050 kg |
| Vehicle Length | 4430 mm | 4410 mm |
| Vehicle Width | 1880 mm | 1710 mm |
| Vehicle Height | 1310 mm | 1410 mm |
| Wheelbase Size | 2480 mm | 2450 mm |
