It's probably no surprise, but the best value compact car is the Hyundai i30. However, it's not the Trophy trim level that is on sale at the moment which offers the best value, but the standard Diesel. True the car is over $25,000 in price but the 4.7L/100km consumption from its frugal diesel engine means you save money in the long run.
Coming in second place is the Mitsubishi Lancer SX. The fuel consumption is reasonable for a petrol car (7.6L/100km) but the main reason it's good value is thanks to its incredibly low purchase price of $20,990. To give you an idea, the Toyota Yaris is more expensive than this car, and it's smaller..
Thanks to a most recent sale, the Volkswagen Golf is also a viable option, slotting in at third place. While the Golf is still pretty pricey with its upfront costs when compared to the competition, thanks to German engineering, its engine is a real miser when it comes to fuel consumption.