The 2018 Mini Convertible is part of the third generation (F57) of Mini's iconic two-door, open-top offering, tracing its lineage back to the original British marque's spirit of compact fun, now under BMW ownership. Available in Cooper, Cooper S, and John Cooper Works (JCW) trims, its new pricing for 2018 ranged from approximately $27,000 to over $42,000. It stands out for its distinctive retro-chic design, engaging "go-kart" handling, and the joy of open-air motoring, making it a popular choice for those seeking a stylish and spirited drive.
The Good
The 2018 Mini Convertible boasts an emotionally appealing, iconic design and exhilarating "go-kart" handling, especially in Cooper S and JCW trims, offering pure open-air driving fun. Practically, it delivers decent fuel efficiency, a surprisingly upscale interior, and a sense of premium quality. Its compact size makes it agile in urban environments, blending spirited performance with distinctive style.
The Bad
Potential weaknesses for the 2018 Mini Convertible include its stiff ride quality, limited rear passenger space suitable only for short trips, and a small trunk that becomes even smaller with the top down. Ownership costs can be higher than average due to premium parts and labor, and road noise can be noticeable at highway speeds, typical for a convertible.
2018 Mini Convertible: Quick Overview
- Engine Options:
- Cooper: 1.5-liter TwinPower Turbo 3-cylinder engine.
- Cooper S: 2.0-liter TwinPower Turbo 4-cylinder engine.
- John Cooper Works (JCW): High-output 2.0-liter TwinPower Turbo 4-cylinder engine.
- Horsepower:
- Cooper: 134 hp.
- Cooper S: 189 hp.
- JCW: 228 hp.
- Fuel Economy (EPA estimates, combined city/highway, varies by transmission):
- Cooper: Approx. 30-32 MPG.
- Cooper S: Approx. 27-29 MPG.
- JCW: Approx. 26-27 MPG.
- 0-60 MPH Acceleration:
- Cooper: Approx. 7.9 - 8.2 seconds.
- Cooper S: Approx. 6.5 - 6.7 seconds.
- JCW: Approx. 5.9 - 6.0 seconds.
- Towing Capacity: The Mini Convertible is generally not rated or recommended for towing.
- Trim-Level Features:
- Cooper: Standard features include a power-folding soft top, 16-inch alloy wheels, rear parking sensors, rearview camera, automatic headlights, a 6.5-inch Mini Connected infotainment system, Bluetooth, and leatherette upholstery.
- Cooper S: Builds upon the Cooper with a more potent engine, 17-inch wheels, sport seats, LED headlights, a sport steering wheel, and selectable driving modes.
- John Cooper Works (JCW): The performance flagship, adding the most powerful engine, a sport-tuned suspension, Brembo performance brakes, an aggressive aerodynamic body kit, unique 17-inch or 18-inch wheels, and a sport exhaust system.
- Optional Features (across trims): Available packages and standalone options include an 8.8-inch touchscreen navigation system, Apple CarPlay (late availability), a Harman Kardon premium sound system, heated front seats, adaptive cruise control, head-up display, front parking sensors, and various interior/exterior customization options, including unique wheel designs and interior trims.
2018 Mini Convertible Specifications
Vehicle Information
| Year | 2018 |
| Make | MINI |
| Model | Convertible |
| Trim | - |
| Style | - |
| Type | Convertible |
| Category | Minicompact Car |
Manufacturing Details
| Made In | United Kingdom |
| Manufacturing City | BOM |
Dimensions
| Doors | 2-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | 55.70 inches |
| Overall Length | 151.10 inches |
| Overall Width | 68.00 inches |
| Wheelbase Length | 98.20 inches |
| Standard Seating | 4 |
Engine & Performance
| Engine | 1.5L I4 |
| Engine Size | 1.5L |
| Engine Cylinders | 3 |
| Transmission | 6-Speed Manual |
| Transmission Type | Manual |
| Transmission Speeds | 6-Speed |
| Drivetrain | Front-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $26,700 |
| Invoice Price | $24,765 |
| Delivery Charges | $850 |
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What Problems Does the 2018 Mini Convertible Have?
While the F57 generation (2016-present) of the Mini Convertible saw improvements in reliability over previous models, owners of the 2018 variant should still be aware of certain frequently reported problems and potential long-term concerns. Some common issues, often shared with its BMW platform siblings, include susceptibility to oil leaks, particularly from the valve cover gasket or oil filter housing, which can become more prevalent with age and mileage. Owners have occasionally reported electrical glitches, such as intermittent sensor warnings or infotainment system quirks, though significant widespread failures are less common for this specific year.
Engine-related issues, while generally robust, can include the potential for carbon buildup on intake valves due to direct injection, which might require periodic cleaning to maintain optimal performance. Some turbocharger-related issues, if not properly maintained or if the vehicle has been driven hard, could also arise over time. The convertible top mechanism, while designed for durability, can eventually face issues with sensors, motors, or seals, leading to costly repairs if not addressed promptly.
Regarding recalls, it's always advisable to check the NHTSA (National Highway Traffic Safety Administration) website using the VIN for specific recalls applicable to any individual vehicle. For the 2018 model year, there have been some minor recalls, such as those related to software updates or specific component inspections. A notable recall affecting some BMW and Mini models of this era (including potentially the 2018 Mini) involved a risk of the crankcase ventilation valve heater short-circuiting, posing a fire hazard. Another could involve potential issues with specific emissions components. Long-term reliability suggests that while the Mini Convertible is generally durable, it demands diligent maintenance. Neglecting services can lead to accelerated wear on components like suspension bushings, brake systems, and crucial engine parts, leading to higher repair costs down the line. Consistent fluid changes and inspections are paramount.
Engine-related issues, while generally robust, can include the potential for carbon buildup on intake valves due to direct injection, which might require periodic cleaning to maintain optimal performance. Some turbocharger-related issues, if not properly maintained or if the vehicle has been driven hard, could also arise over time. The convertible top mechanism, while designed for durability, can eventually face issues with sensors, motors, or seals, leading to costly repairs if not addressed promptly.
Regarding recalls, it's always advisable to check the NHTSA (National Highway Traffic Safety Administration) website using the VIN for specific recalls applicable to any individual vehicle. For the 2018 model year, there have been some minor recalls, such as those related to software updates or specific component inspections. A notable recall affecting some BMW and Mini models of this era (including potentially the 2018 Mini) involved a risk of the crankcase ventilation valve heater short-circuiting, posing a fire hazard. Another could involve potential issues with specific emissions components. Long-term reliability suggests that while the Mini Convertible is generally durable, it demands diligent maintenance. Neglecting services can lead to accelerated wear on components like suspension bushings, brake systems, and crucial engine parts, leading to higher repair costs down the line. Consistent fluid changes and inspections are paramount.
How long will the 2018 Mini Convertible last?
With diligent maintenance and care, a 2018 Mini Convertible can realistically achieve an average mileage of 100,000 to 150,000 miles, or provide 10-15 years of service. Many owners report exceeding these figures with proper preventative measures. The long-term durability of the F57 generation is generally considered good, benefiting from BMW's engineering; the chassis and core powertrain components are robust.
However, weaknesses tend to emerge in specific areas over time. These include the convertible top mechanism's motors and seals, which can eventually wear. Electrical gremlins, such as malfunctioning sensors or infotainment glitches, might surface. Suspension components like bushings and shocks can degrade, impacting ride comfort and handling, particularly given the Mini's inherently stiffer setup. Furthermore, direct-injection engines are prone to carbon buildup, and certain engine seals or gaskets may develop oil leaks. Adhering strictly to service schedules and addressing minor issues promptly are crucial for mitigating these long-term concerns and maximizing the vehicle's lifespan.
However, weaknesses tend to emerge in specific areas over time. These include the convertible top mechanism's motors and seals, which can eventually wear. Electrical gremlins, such as malfunctioning sensors or infotainment glitches, might surface. Suspension components like bushings and shocks can degrade, impacting ride comfort and handling, particularly given the Mini's inherently stiffer setup. Furthermore, direct-injection engines are prone to carbon buildup, and certain engine seals or gaskets may develop oil leaks. Adhering strictly to service schedules and addressing minor issues promptly are crucial for mitigating these long-term concerns and maximizing the vehicle's lifespan.
What Technology & Safety Features are Included?
The 2018 Mini Convertible offers a blend of stylish design with respectable technology, entertainment, and safety features. Standard built-in tech includes a 6.5-inch Mini Connected infotainment display, Bluetooth connectivity, a USB port, and steering wheel-mounted audio controls. All models also come standard with a rearview camera and rear parking sensors, enhancing convenience and safety during parking maneuvers. The infotainment system is typically controlled via a central knob and buttons, with some higher trims offering a touchscreen interface.
For entertainment, a six-speaker audio system is standard, with an optional upgrade to a premium Harman Kardon sound system for an enhanced listening experience. An 8.8-inch touchscreen display, navigation system (Mini Connected XL), and satellite radio were available as optional features. Notably, Apple CarPlay became available for the 2018 model year, offering seamless smartphone integration for compatible devices.
Driver-assistance features were largely optional, typically bundled into packages. These included adaptive cruise control, forward collision warning with automatic emergency braking, automatic high beams, and front parking sensors. A Parking Assistant feature, which can automatically steer the vehicle into a parking spot, was also available. These systems aimed to provide an extra layer of convenience and safety, particularly in urban driving conditions.
In terms of safety, the 2018 Mini Convertible is equipped with standard airbags (front and side-chest), anti-lock brakes (ABS), stability control, and traction control. It also features an automatic roll-over protection system that deploys if an impending rollover is detected. Regarding crash-test ratings, the 2018 Mini Convertible (F57) was not individually rated by U.S. agencies like the NHTSA or IIHS. However, the closely related 2018 Mini Cooper Hardtop (F56) received "Good" ratings in most IIHS crash tests (moderate overlap front, side, roof strength, head restraints), though it received a "Marginal" rating for the small overlap front-driver's side. Its optional front crash prevention systems achieved "Advanced" or "Superior" ratings, depending on the specific package. While not a direct comparison, it provides an indication of Mini's structural integrity and safety technology for the platform.
For entertainment, a six-speaker audio system is standard, with an optional upgrade to a premium Harman Kardon sound system for an enhanced listening experience. An 8.8-inch touchscreen display, navigation system (Mini Connected XL), and satellite radio were available as optional features. Notably, Apple CarPlay became available for the 2018 model year, offering seamless smartphone integration for compatible devices.
Driver-assistance features were largely optional, typically bundled into packages. These included adaptive cruise control, forward collision warning with automatic emergency braking, automatic high beams, and front parking sensors. A Parking Assistant feature, which can automatically steer the vehicle into a parking spot, was also available. These systems aimed to provide an extra layer of convenience and safety, particularly in urban driving conditions.
In terms of safety, the 2018 Mini Convertible is equipped with standard airbags (front and side-chest), anti-lock brakes (ABS), stability control, and traction control. It also features an automatic roll-over protection system that deploys if an impending rollover is detected. Regarding crash-test ratings, the 2018 Mini Convertible (F57) was not individually rated by U.S. agencies like the NHTSA or IIHS. However, the closely related 2018 Mini Cooper Hardtop (F56) received "Good" ratings in most IIHS crash tests (moderate overlap front, side, roof strength, head restraints), though it received a "Marginal" rating for the small overlap front-driver's side. Its optional front crash prevention systems achieved "Advanced" or "Superior" ratings, depending on the specific package. While not a direct comparison, it provides an indication of Mini's structural integrity and safety technology for the platform.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2018 Mini Convertible Prices and Market Value
When new, the 2018 Mini Convertible had an MSRP range starting around $27,000 for the Cooper, $31,000 for the Cooper S, and climbing past $37,000 for the John Cooper Works (JCW) trim, with options easily adding several thousand dollars. As of early 2024, current used market prices vary significantly based on condition, mileage, and location, but typically range from $15,000-$20,000 for a Cooper, $18,000-$24,000 for a Cooper S, and $22,000-$28,000+ for a JCW.
Depreciation for the Mini Convertible is moderate. While it holds its value better than some mainstream convertibles, it generally depreciates faster than its hardtop counterpart due to a smaller, more seasonal market. Key factors affecting resale value include the vehicle's overall condition, lower mileage, and a comprehensive service history. Higher-performance trims like the Cooper S and JCW, along with desirable optional features such as navigation or premium audio, tend to retain value better. Excessive or unusual aftermarket customizations can sometimes negatively impact resale appeal.
Depreciation for the Mini Convertible is moderate. While it holds its value better than some mainstream convertibles, it generally depreciates faster than its hardtop counterpart due to a smaller, more seasonal market. Key factors affecting resale value include the vehicle's overall condition, lower mileage, and a comprehensive service history. Higher-performance trims like the Cooper S and JCW, along with desirable optional features such as navigation or premium audio, tend to retain value better. Excessive or unusual aftermarket customizations can sometimes negatively impact resale appeal.
2018 Mini Convertible Cost of Ownership
Ownership costs for the 2018 Mini Convertible lean towards the higher side compared to a standard compact car, making it a moderately costly vehicle to own long-term. Insurance premiums are typically above average, especially for the more powerful Cooper S and JCW trims, reflecting their performance and convertible top repair costs. While fuel economy is decent, all engines require premium gasoline, adding to ongoing expenses. Routine maintenance and out-of-warranty repairs can be notably expensive due to specialized parts and BMW-level labor rates. Expect higher costs for components like brakes, specialized fluids, and potential convertible top mechanism issues over time. It offers a premium, fun driving experience, but it's not an economical choice.
2018 Mini Convertible Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
11.60 gallons
City Mileage
28 miles/gallon
Highway Mileage
37 miles/gallon
2018 Mini Convertible Safety Rating
NHTSA
2018 Mini Convertible Warranty
Basic
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Rust
Original warranty
144 months / unlimited miles
Estimated remaining
48 months / unlimited miles
2018 Mini Convertible Insurance
Insurance for a 2018 Mini Convertible is moderately priced, reflecting its status as a Convertible with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 Mini Convertible Compare to Other Convertible?
The 2018 Mini Convertible operates in a niche, competing with rivals like the Mazda MX-5 Miata, Fiat 124 Spider, and, to a lesser extent, more upscale options like the Audi A3 Cabriolet or more comfort-oriented VW Beetle Convertible (though discontinued).
In terms of Performance, the Mini Convertible shines with its "go-kart" handling, offering an engaging and direct driving experience across its Cooper, Cooper S, and JCW trims. The Cooper S and JCW provide significantly more power than the naturally aspirated Mazda MX-5 Miata or the Fiat 124 Spider, which are lighter and offer a purer, more balanced sports car feel but less straight-line speed. The Audi A3 Cabriolet provides refined, comfortable performance, but often lacks the Mini's raw engagement. The Beetle Convertible is a more relaxed cruiser.
For Features and Interior, the Mini excels with its unique, premium, and highly customizable cabin, boasting more upscale materials and infotainment tech (especially with optional upgrades like the 8.8-inch screen and Apple CarPlay) than the more spartan, driver-focused MX-5/124. The Audi A3 Cabriolet typically offers the most luxurious and technologically advanced interior. The Beetle Convertible offered a charming, retro-themed interior but with less premium feel than the Mini.
Reliability is a mixed bag. The Mini Convertible, while improved under BMW, generally falls mid-pack. It can be more expensive to maintain and repair than the Mazda MX-5 Miata, which has a stellar reputation for bulletproof reliability and lower running costs. The Fiat 124 Spider, based on the Miata, shares much of its robust platform. Audi A3 reliability is good, but premium brand maintenance costs apply.
Regarding Price, the Mini Convertible positions itself between the more affordable MX-5/124 and the significantly pricier Audi A3 Cabriolet. Both new and used, the Mini offers a premium compact convertible experience without reaching full luxury car pricing.
Alternatives:
The Mini Convertible, however, carves out its own niche, offering an unparalleled blend of distinctive style, premium feel, and truly engaging performance that sets it apart for buyers prioritizing character and an emotional connection to their vehicle.
In terms of Performance, the Mini Convertible shines with its "go-kart" handling, offering an engaging and direct driving experience across its Cooper, Cooper S, and JCW trims. The Cooper S and JCW provide significantly more power than the naturally aspirated Mazda MX-5 Miata or the Fiat 124 Spider, which are lighter and offer a purer, more balanced sports car feel but less straight-line speed. The Audi A3 Cabriolet provides refined, comfortable performance, but often lacks the Mini's raw engagement. The Beetle Convertible is a more relaxed cruiser.
For Features and Interior, the Mini excels with its unique, premium, and highly customizable cabin, boasting more upscale materials and infotainment tech (especially with optional upgrades like the 8.8-inch screen and Apple CarPlay) than the more spartan, driver-focused MX-5/124. The Audi A3 Cabriolet typically offers the most luxurious and technologically advanced interior. The Beetle Convertible offered a charming, retro-themed interior but with less premium feel than the Mini.
Reliability is a mixed bag. The Mini Convertible, while improved under BMW, generally falls mid-pack. It can be more expensive to maintain and repair than the Mazda MX-5 Miata, which has a stellar reputation for bulletproof reliability and lower running costs. The Fiat 124 Spider, based on the Miata, shares much of its robust platform. Audi A3 reliability is good, but premium brand maintenance costs apply.
Regarding Price, the Mini Convertible positions itself between the more affordable MX-5/124 and the significantly pricier Audi A3 Cabriolet. Both new and used, the Mini offers a premium compact convertible experience without reaching full luxury car pricing.
Alternatives:
- For pure, affordable driving fun and superior reliability: The Mazda MX-5 Miata is a strong contender, especially if two seats and minimal cargo space are acceptable.
- For a more refined, luxurious experience: The Audi A3 Cabriolet is a better choice, budget permitting.
- For a quirky, relaxed cruiser with slightly more rear room: The VW Beetle Convertible (used market) could be considered.
The Mini Convertible, however, carves out its own niche, offering an unparalleled blend of distinctive style, premium feel, and truly engaging performance that sets it apart for buyers prioritizing character and an emotional connection to their vehicle.
Final Verdict: Is the 2018 Mini Convertible a Good Convertible?
The 2018 Mini Convertible is ideal for buyers who prioritize a unique, stylish, and fun-to-drive open-top experience. It caters to individuals or couples seeking an engaging "go-kart" feel, iconic design, and a touch of premium customization, often as a secondary vehicle. It's less suited for those needing significant rear passenger space or cargo capacity.
It can be worth buying, especially as a used vehicle. Opting for a used model mitigates the initial depreciation, offering better value. The Cooper S trim often represents the sweet spot, balancing spirited performance with manageable costs. The Cooper is a more economical choice, while the JCW is for hardcore enthusiasts. Always ensure a thorough pre-purchase inspection and a complete service history due to potentially higher long-term maintenance costs. If its distinctive character, agile handling, and open-air enjoyment align with your priorities and budget, the 2018 Mini Convertible remains a highly desirable and rewarding choice.
It can be worth buying, especially as a used vehicle. Opting for a used model mitigates the initial depreciation, offering better value. The Cooper S trim often represents the sweet spot, balancing spirited performance with manageable costs. The Cooper is a more economical choice, while the JCW is for hardcore enthusiasts. Always ensure a thorough pre-purchase inspection and a complete service history due to potentially higher long-term maintenance costs. If its distinctive character, agile handling, and open-air enjoyment align with your priorities and budget, the 2018 Mini Convertible remains a highly desirable and rewarding choice.
Drew B
Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma