Kia K4 vs MINI Cooper
A detailed look at how two of Australia's most popular cars compare on price, running costs, safety, and everyday livability.
Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.
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Price Breakdown
The Kia K4 starts from $32,090 before on-road costs, while the MINI Cooper opens at $41,990. That makes the Kia K4 the more affordable entry point by $9,900.
Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $35,299 and $46,189 respectively.
Over 5 years, the running costs are nearly identical since both have similar efficiency.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The MINI Cooper counters with head-up display, wireless charging and ambient lighting. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Kia K4 gets cloth upholstery while the MINI Cooper offers synthetic leather / cloth. Climate control is 1-zone in the Kia K4 and 2-zone in the MINI Cooper.
Drivetrain
The Kia K4 uses a Petrol producing 110kW and 180Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 9.8 seconds.
The MINI Cooper responds with a Petrol Turbo making 115kW and 230Nm, paired to a automatic driving the front wheels. It gets to 100km/h in 7.9 seconds.
The MINI Cooper has the clear power advantage at 115kW vs 110kW. In the real-world sprint, the MINI Cooper is 1.9s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Kia K4 measures 4,710mm long on a 2,720mm wheelbase, 834mm longer than the MINI Cooper at 3,876mm (2,495mm wheelbase). The longer wheelbase on the Kia K4 generally means more rear legroom.
Boot space is 508L in the Kia K4 and 210L in the MINI Cooper, giving the Kia K4 a 298L advantage. The Kia K4 seats 5 vs 4.
For towing, the Kia K4 leads with a 1,100kg braked capacity vs 750kg. That 350kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.7m to 10.7m
Based on 10.7m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 10.7m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Compare U-turns side by side
Turning Circle · U-turn compare
kerb-to-kerb, 2 cars0 of 2 clear a 7.0 m street in one sweep
Green cars complete the U-turn; amber need a 3-point turn. Drag the slider to test tighter streets.
Standard widths: AU local streets ~5.5–7 m; main roads ~9–12 m.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $1,710/year for the Kia K4 and $1,767/year for the MINI Cooper. That is a $57 annual difference in favour of the Kia K4.
Warranty: 7 years / 999,999km (Kia K4) vs 5 years / 999,999km (MINI Cooper). The Kia K4 has longer coverage.
Who Should Buy Which?
Buy the Kia K4 if: You want the lower entry price, need more boot space, want lower running costs, value a longer warranty, need stronger towing, or prefer Kia's approach to design and ownership experience.
Buy the MINI Cooper if: You prioritise performance, or prefer MINI's approach to design and ownership experience.
The Verdict
The Kia K4 takes 5 of 7 key spec categories and comes in at a lower price. The Kia K4 will save you roughly $57 a year in fuel. If boot space matters, the Kia K4 has a clear edge. The Kia K4 adds peace of mind with a longer 7-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Kia K4 and MINI Cooper?
The Kia K4 is the cheapest at $32,090 before on-road costs. That undercuts the MINI Cooper by $9,900.
Which is the most fuel-efficient?
The Kia K4 uses the least fuel at 6L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of Kia K4 and MINI Cooper carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Kia K4 has the largest boot at 508L.
Which can tow the most?
The Kia K4 has the highest braked towing capacity at 1,100kg.
Which has the best warranty?
The Kia K4 has the longest warranty at 7 years / Unlimited.
Which is the most powerful?
The MINI Cooper makes the most power at 115kW. The MINI Cooper is quickest to 100km/h in 7.9s.
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Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.
Auto-generated from CarSorted's specification data · 20 April 2026
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