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The 2027 MINI Cooper Convertible posts 27 city / 37 hwy MPG and includes a 9.4-inch circular OLED display across the lineup. The 2026 Ford Mustang EcoBoost Convertible produces 315 hp and uses rear-wheel drive. This page compares key differences in performance, dimensions, technology, efficiency, and ownership, with current MINI Cooper Convertible inventory at MINI of Grand Rapids.
The 2027 MINI Cooper Convertible may appeal to buyers who prioritize fuel economy, standard technology, and compact dimensions. The JCW trim reaches 228 hp and 60 mph in 6.2 seconds.
The 2026 Ford Mustang EcoBoost Convertible may appeal to buyers who prioritize higher horsepower, rear-wheel drive, and its larger performance-oriented platform. Both are four-seat open-air vehicles.
The better fit depends on which performance, efficiency, technology, and size characteristics matter most to you.
| Category | 2027 MINI Cooper C Convertible | 2027 MINI JCW Convertible | 2026 Ford Mustang EcoBoost Convertible |
|---|---|---|---|
| Engine | 2.0L TwinPower Turbo 4-cyl | 2.0L TwinPower Turbo 4-cyl | 2.3L EcoBoost Turbo 4-cyl |
| Horsepower | 161 hp | 228 hp | 315 hp |
| Torque | 184 lb-ft | 280 lb-ft | 350 lb-ft |
| 0-60 mph | 7.9 sec | 6.2 sec | 5.4 sec |
| Transmission | 7-Speed Dual-Clutch | 7-Speed Sport Dual-Clutch | 10-Speed Automatic |
| Drivetrain | Front-Wheel Drive | Front-Wheel Drive | Rear-Wheel Drive |
| City / Hwy MPG | 27 / 37 (C) | 26 / 35 (JCW) | 22 / 33 |
| Length | 152.8 in | 152.8 in | 189.4 in |
| Seating | 4 | 4 | 4 |
| Basic Warranty | 4 yr / 50,000 mi | 4 yr / 50,000 mi | 3 yr / 36,000 mi |
The MINI Cooper Convertible offers three distinct power levels. The Cooper C produces 161 hp and 184 lb-ft of torque with a 7.9-second 0-60 run, reaching a 130 mph top speed. The Cooper S steps up to 201 hp, 221 lb-ft, and 6.7 seconds to 60 mph. The John Cooper Works (JCW) delivers 228 hp, 280 lb-ft, and a 6.2-second sprint to 60 mph at a 152 mph top speed. All three use a 7-Speed Dual-Clutch transmission, with the JCW receiving a Sport-tuned version with paddle shifters. The JCW also adds Dynamic Damper Control and JCW Sport Brakes with red calipers.
The Mustang EcoBoost Convertible uses a 2.3L EcoBoost four-cylinder producing 315 hp and 350 lb-ft of torque through a 10-Speed Automatic. It sends power to the rear wheels. The Mustang also has Launch Control, Electronic Line-Lock, and Selectable Drive Modes.
The Mustang has the higher horsepower figure in each configuration compared here. The MINI Cooper Convertible has the higher EPA city and highway fuel-economy ratings. The MINI uses a 7-Speed Dual-Clutch transmission, while the Mustang uses a 10-Speed Automatic.
The two vehicles differ significantly in size. The MINI Cooper Convertible measures 152.8 inches in length. The Mustang EcoBoost Convertible measures 189.4 inches, making the Mustang approximately 36.6 inches longer. Inside the MINI, front headroom is 39.8 inches, front legroom is 41.4 inches, and rear legroom is 30.8 inches. Cargo capacity measures 5.2 cubic feet.
Every MINI Cooper Convertible trim includes a Convertible Wind Deflector, a 2D-Knit Fabric Dashboard, Vescin and cloth combination upholstery, dual-zone automatic climate control, and multi-color adjustable ambient lighting as standard equipment. Heated front seats and a heated steering wheel are also standard across the MINI lineup.
The Mustang’s longer body provides a different interior proportion, though both vehicles seat four passengers. The MINI centers its cabin around the circular OLED display rather than a conventional horizontal instrument layout. Both vehicles use four-seat convertible layouts, and cargo capacity is limited compared with larger vehicle types.
The MINI Cooper Convertible uses a 9.4-inch circular OLED display with MINI Operating System 9. Standard technology across the lineup includes MINI Head-Up Display, MINI Navigation with advanced real-time traffic, MINI Intelligent Personal Assistant with natural speech input, Apple CarPlay, Android Auto, a personal eSIM with 5G, a Wi-Fi hotspot with a 3 GB / 3-month trial, MINI ConnectedDrive Services, Stolen Vehicle Recovery, Remote Door Unlock, and Remote Software Upgrade capability. The MINI Digital Key allows compatible smartphone-based lock, unlock, and start functionality.
The Mustang EcoBoost Convertible uses Ford’s SYNC 4 system with a 13.2-inch capacitive touchscreen and a 12.4-inch digital instrument cluster. Apple CarPlay and Android Auto are wireless on the Mustang. Active Noise Cancellation, Track Apps, and Selectable Drive Modes are standard.
For driver assistance, both vehicles include automatic emergency braking and lane-keeping systems, automatic high beams, rear-view cameras, and parking sensors. The MINI adds front parking sensors in addition to rear sensors as standard. MINI Assist eCall with an SOS button is standard across the MINI Cooper Convertible lineup.
The MINI also offers an available multi-camera Lane Departure Warning array, Active Blind Spot Detection with steering wheel vibration alerts, and Frontal Collision Warning with Automatic Emergency Braking as available equipment. The Mustang’s 13.2-inch screen is physically larger, while the MINI uses a 9.4-inch circular OLED format.
The MINI Cooper Convertible carries a 4-year / 50,000-mile limited warranty, a 4-year / unlimited-mileage roadside assistance program, and a 12-year / unlimited-mileage rust perforation warranty. The Mustang EcoBoost Convertible provides a 3-year / 36,000-mile basic warranty and a 5-year / 60,000-mile powertrain warranty. The MINI’s basic warranty is longer in both years and miles than the Mustang’s basic coverage. The Mustang’s powertrain coverage extends further in mileage than the MINI’s limited warranty.
The MINI Cooper C is rated at 27 city / 37 highway MPG, compared with 22 city / 33 highway MPG for the Mustang EcoBoost Convertible. The Cooper C includes heated seats, a heated steering wheel, MINI Head-Up Display, MINI Navigation, dual-zone automatic climate control, and the circular OLED display as standard equipment.
Choose the 2027 MINI Cooper Convertible if you want a compact open-air vehicle with higher EPA fuel-economy ratings in the configurations compared here, compact dimensions, and a broad standard technology package. The JCW provides the highest output in the MINI Cooper Convertible lineup at 228 hp.
Choose the 2026 Ford Mustang EcoBoost Convertible if you prioritize its 315-hp output, rear-wheel-drive layout, or features such as Launch Control and Electronic Line-Lock.
The MINI Cooper Convertible emphasizes compact dimensions, front-wheel drive, fuel economy, and integrated technology. The Mustang EcoBoost Convertible emphasizes higher horsepower, rear-wheel drive, and a larger overall footprint.
Browse current 2027 MINI Cooper Convertible inventory at MINI of Grand Rapids to see available Cooper C, Cooper S, and JCW configurations. The team can help you compare available trims, colors, and packages. Schedule a test drive for an available vehicle to experience the MINI Cooper Convertible in person.
No. The Mustang EcoBoost Convertible produces 315 hp, which is higher than all three MINI Cooper Convertible trims. The MINI Cooper C produces 161 hp, the Cooper S produces 201 hp, and the JCW produces 228 hp. The MINI Cooper Convertible has higher EPA city and highway fuel-economy ratings in the configurations compared here and a shorter overall length.
The MINI Cooper Convertible has the higher EPA city and highway ratings in the configurations compared here. The 2027 MINI Cooper C Convertible is rated at 27 city / 37 hwy, while the Mustang EcoBoost Convertible is rated at 22 city / 33 hwy. The MINI JCW Convertible is rated at 26 city / 35 hwy.
The 2027 MINI JCW Convertible reaches 60 mph in 6.2 seconds with 228 hp and 280 lb-ft of torque, while the 2026 Mustang EcoBoost Convertible goes 0-60 in 5.4 seconds with 315 hp and 350 lb-ft of torque.
The 2027 MINI Cooper Convertible carries a 4-year / 50,000-mile basic warranty, which is longer in both years and miles than the Mustang EcoBoost Convertible’s 3-year / 36,000-mile basic warranty. The Mustang offers a separate 5-year / 60,000-mile powertrain warranty. MINI also includes a 4-year / unlimited-mileage roadside assistance program and a 12-year / unlimited-mileage rust perforation warranty.
No. The 2027 MINI Cooper Convertible is front-wheel drive across the lineup. The 2026 Mustang EcoBoost Convertible is rear-wheel drive.
The 2027 MINI Cooper Convertible has a cargo capacity of 5.2 cubic feet across the lineup.
Yes. Apple CarPlay and Android Auto are standard across the 2027 MINI Cooper Convertible lineup and integrate with the 9.4-inch circular OLED display and MINI Operating System 9.
The 2026 Ford Mustang EcoBoost Convertible measures 189.4 inches in length. The 2027 MINI Cooper Convertible measures 152.8 inches. The Mustang is approximately 36.6 inches longer based on the dimensions listed here.