Opel Mokka vs Mitsubishi Outlander Sport vs Renault Duster: Which one has the lowest running costs?
The mid-size crossover SUV market in South Africa has officially solidified its position as the country's most dominant passenger vehicle segment. When consumers shop here, they are considering more than just looks; it's about tech, features and, ultimately, how much it will cost to run.
Chinese-made crossover SUVs continue to challenge the market share of legacy brands, giving consumers a competitive edge when selecting their cars. Established brands like Opel are feeling the heat, with many of its competitors feeling likewise. The market is no longer about luxury status; it is about which crossover can offer the most technology and reliability for the least amount of Rand, and which model will cost the least to operate
Related: Volkswagen Taigo vs Opel Mokka vs Omoda C5: Which one has the lowest running costs?
In the South African market, running costs are a combination of fuel efficiency, service plans, and maintenance after those plans expire. The Opel Mokka has many competitors in the SA market, but let's take a look at two of its closest left-field competitors and how they stack up against one another.
What safety features do the Renault Duster have?
Cost Comparison Breakdown
| Feature | Opel Mokka | Mitsubishi Outlander Sport | Renault Duster (2025/26) |
| Price | R 524 900 | R 499 990 | R 549 999 |
| Engine | 1.2T 3-Cylinder Petrol | 1.5L Naturally Aspirated | 1.3T Petrol / 1.2T Mild Hybrid |
| Claimed Fuel econ. (L/100km) | 6.1 | 6.2 | 5.7 (MHEV) – 6.5 (Petrol) |
| Real-world fuel econ. | ~7.3 | ~7.4 | ~6.5 – 7.0 |
| Service Plan | 4-year / 60 000 km | 3-year / 45 000 km | 3-year / 45 000 km |
| Warranty | 5-year / 100 000 km | 5-year / Unlimited km | 5-year / 150 000 km |
The fuel economy king
The Renault Duster has long been the budget champion in SA. While the legendary 1.5 dCi diesel is being phased out for the new generation, the new 1.2 Turbo Mild Hybrid (MHEV) is exceptionally frugal.
Fuel: If you do high mileage, the Duster's efficiency, especially the 4x4 MHEV, will save you the most at the pump.
Maintenance: Out-of-warranty parts for Renault are generally affordable in SA, and the car is mechanically simpler than the Opel.
The reliability play
Launched in early 2025, the Outlander Sport uses a simple, non-turbo 1.5L engine.
Maintenance: Since it lacks a turbocharger, fewer complex components are likely to fail as the car ages. Mitsubishi's unlimited-kilometre warranty is a significant safety net for those who drive long distances.
Fuel: Its CVT transmission is efficient for city driving, but it can be thirstier than the Duster on the open road.
The premium choice
The Opel Mokka is the most upmarket of the three, but it usually incurs the highest running costs.
Service: It has the best initial service plan, meaning your first 60,000 km are free from a maintenance perspective.
Parts: As a Stellantis brand product with a complex 8-speed automatic and turbo engine, out-of-warranty repairs and specialised parts tend to be more expensive than those of the Renault or Mitsubishi.
The Verdict
Based on current 2025/2026 data, the Renault Duster generally offers the lowest running costs, primarily due to its superior fuel efficiency. However, the Mitsubishi Outlander Sport is a strong contender for long-term reliability.
For the lowest daily spend: Choose the Renault Duster. The fuel savings, especially in its newer hybrid or small-turbo forms, are hard to beat.
For the lowest long-term risk: Choose the Mitsubishi Outlander Sport. The naturally aspirated engine and unlimited mileage warranty provide the most predictable costs over 5–10 years.
For the best all-inclusive start: Choose the Opel Mokka for its 4-year service plan, but be prepared for higher costs once that plan ends.
