Petrol vs. Diesel: Which Engine Suits Your Needs for Long-Term Ownership? When choosing between a 1.2L petrol manual (3-cylinder) and a 1.5L diesel manual (4-cylinder) engine, several factors must be weighed carefully. With each option having its strengths, your decision should align with your driving habits, budget, and long-term plans. This guide breaks down the pros and cons to help you decide which engine is better suited for your needs—particularly if you drive less than 20,000 km annually. 1. Initial Cost Comparison: Petrol Wins for Affordability 1.2L Petrol Manual (3-cylinder): Petrol cars typically cost less upfront because their engines are simpler with fewer cylinders. This makes the initial purchase price more affordable , making it an attractive choice for budget-conscious buyers. 1.5L Diesel Manual (4-cylinder): Diesel engines involve more complex components , including turbochargers and emission systems like Diesel Particulate Filters (DPF). As a result, they ...