Best MPG Convertibles for Sale in Diagonal, IA

Year:: 2024
Make:: MINI
Model:: Cooper
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Front-Wheel Drive
Engine:: 189 hp 2L I4
Exterior color:: Gray (Rooftop Grey Metallic)
Combined gas mileage:: 31 MPG
Fuel type:: Gasoline
Interior color:: Carbon Black
Transmission:: 7-Speed Dual Clutch
Mileage:: 15,267
Stock #:: XP00835
VIN:: WMW43DL05R3R52285

2022 BMW 4 Series

430i Convertible xDrive

67,943 miles

$34,830

Year:: 2022
Make:: BMW
Model:: 4 Series
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: All-Wheel Drive
Engine:: 255 hp 2L I4
Exterior color:: Mineral White Metallic
Combined gas mileage:: 28 MPG
Fuel type:: Gasoline
Interior color:: Tacora Red
Transmission:: 8-Speed Automatic
Mileage:: 67,943
Stock #:: NCL01494D
VIN:: WBA43AT02NCL01494

2025 Ford Mustang

EcoBoost Premium Convertible RWD

1,934 miles

$39,361

Year:: 2025
Make:: Ford
Model:: Mustang
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 315 hp 2.3L I4
Exterior color:: [K1] Vapor Blue
Combined gas mileage:: 27 MPG
Fuel type:: Gasoline
Interior color:: Black Onyx
Transmission:: Automatic
Mileage:: 1,934
Stock #:: ZR270
VIN:: 1FAGP8UH9S5103888

2023 MINI Cooper

S Convertible FWD

11,571 miles

$30,980

Year:: 2023
Make:: MINI
Model:: Cooper
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Front-Wheel Drive
Engine:: 189 hp 2L I4
Combined gas mileage:: 31 MPG
Fuel type:: Gasoline
Transmission:: 7-Speed Dual Clutch
Mileage:: 11,571
Stock #:: R22023
VIN:: WMW43DL05P3R22023

2020 FIAT 124 Spider

Abarth

49,554 miles

$16,959

Year:: 2020
Make:: FIAT
Model:: 124 Spider
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 160 hp 1.4L I4
Exterior color:: Silver
Combined gas mileage:: 30 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 49,554
Stock #:: 144477
VIN:: JC1NFAEK4L0144477

2026 BMW Z4

M40i RWD

New car

$76,075

MSRP $76,075

$1,421/mo est.

Year:: 2026
Make:: BMW
Model:: Z4
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 382 hp 3L I6
Exterior color:: San Francisco Red Metallic
Combined gas mileage:: 26 MPG
Fuel type:: Gasoline
Interior color:: Ivory White
Transmission:: 8-Speed Automatic
Mileage:: 4
Stock #:: TWY53569
VIN:: WBAHF9C01TWY53569

2026 MINI Cooper

S Convertible FWD

New car

$43,540

MSRP $43,540

$814/mo est.

Year:: 2026
Make:: MINI
Model:: Cooper
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Front-Wheel Drive
Engine:: 2L I4
Exterior color:: Ocean Wave Green Metallic
Combined gas mileage:: 31 MPG
Fuel type:: Gasoline
Interior color:: Brown (Beige)
Transmission:: 7-Speed Dual Clutch
Mileage:: 4
Stock #:: X04760
VIN:: WMW23GX06T2Y47609

2026 BMW 4 Series

430i Convertible xDrive

New car

$73,925

MSRP $73,925

$1,381/mo est.

Year:: 2026
Make:: BMW
Model:: 4 Series
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: All-Wheel Drive
Engine:: 255 hp 2L I4
Exterior color:: Vegas Red Metallic
Combined gas mileage:: 28 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 4
Stock #:: X04176
VIN:: WBA53DB08TCW45626

2026 BMW 4 Series

430i Convertible xDrive

New car

$64,825

MSRP $64,825

$1,211/mo est.

Year:: 2026
Make:: BMW
Model:: 4 Series
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: All-Wheel Drive
Engine:: 255 hp 2L I4
Exterior color:: Gray (Skyscraper Grey Metallic)
Combined gas mileage:: 28 MPG
Fuel type:: Gasoline
Interior color:: Cognac
Transmission:: Automatic
Mileage:: 4
Stock #:: X04213
VIN:: WBA53DB04TCW58681

2025 Ford Mustang

EcoBoost Premium Convertible RWD

New car

$51,710

MSRP $51,710

$969/mo est.

Nebraska City, NE

80 mi away

Year:: 2025
Make:: Ford
Model:: Mustang
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 315 hp 2.3L I4
Exterior color:: Vapor Blue Metallic
Combined gas mileage:: 27 MPG
Fuel type:: Gasoline
Interior color:: Gray
Transmission:: Automatic
Mileage:: 4
Stock #:: F8116
VIN:: 1FAGP8UH7S5129101

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2026 MINI Cooper

S Convertible FWD

New car

$42,490

MSRP $42,490

$794/mo est.

Year:: 2026
Make:: MINI
Model:: Cooper
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Front-Wheel Drive
Engine:: 2L I4
Exterior color:: Red (Copper Grey Metallic)
Combined gas mileage:: 31 MPG
Fuel type:: Gasoline
Interior color:: Nightshade Blue
Transmission:: 7-Speed Dual Clutch
Mileage:: 4
Stock #:: X04673
VIN:: WMW23GX05T2Y34768

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2026 Mercedes-Benz CLE

450 4MATIC

New car

$77,055

MSRP $77,055

$1,440/mo est.

Year:: 2026
Make:: Mercedes-Benz
Model:: CLE
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: All-Wheel Drive
Engine:: 375 hp 3L I6
Exterior color:: Gray (Graphite Grey Metallic)
Combined gas mileage:: 28 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 9-Speed Automatic
Mileage:: 7
Stock #:: TF121833
VIN:: W1KMJ6BB4TF121833

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2026 Ford Mustang

EcoBoost Premium Convertible RWD

New car

$49,260

MSRP $49,260

$920/mo est.

Nebraska City, NE

80 mi away

Year:: 2026
Make:: Ford
Model:: Mustang
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 315 hp 2.3L I4
Exterior color:: Grabber Blue Metallic
Combined gas mileage:: 27 MPG
Fuel type:: Gasoline
Interior color:: Gray
Transmission:: Automatic
Mileage:: 10
Stock #:: F5747
VIN:: 1FAGP8UHXT5105473

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2026 MINI Cooper

S Convertible FWD

New car

$45,875

MSRP $45,875

$857/mo est.

Year:: 2026
Make:: MINI
Model:: Cooper
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Front-Wheel Drive
Engine:: 2L I4
Exterior color:: Sunny Side Yellow
Combined gas mileage:: 31 MPG
Fuel type:: Gasoline
Interior color:: Vescin Black with Black Knit
Transmission:: 7-Speed Dual Clutch
Mileage:: 1
Stock #:: X04924
VIN:: WMW23GX03T2Y60124

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2026 Mazda MX-5 Miata

Club RWD

New car

$36,349

MSRP $36,050

$679/mo est.

Bellevue, NE

85 mi away

Year:: 2026
Make:: Mazda
Model:: MX-5 Miata
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 181 hp 2L I4
Exterior color:: Deep Crystal Blue Mica
Combined gas mileage:: 30 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 6-Speed Manual
Mileage:: 8
Stock #:: X260244
VIN:: JM1NDAC73T0703718

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2026 Mercedes-Benz CLE

450 4MATIC

New car

$79,535

MSRP $79,535

$1,486/mo est.

Year:: 2026
Make:: Mercedes-Benz
Model:: CLE
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: All-Wheel Drive
Engine:: 375 hp 3L I6
Exterior color:: 040/Black
Combined gas mileage:: 28 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 9-Speed Automatic
Mileage:: 5
Stock #:: TF113578
VIN:: W1KMK6BB0TF113578

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2026 Mazda MX-5 Miata

Grand Touring RWD

New car

$38,289

MSRP $37,990

$716/mo est.

Bellevue, NE

85 mi away

Year:: 2026
Make:: Mazda
Model:: MX-5 Miata
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 181 hp 2L I4
Exterior color:: Deep Crystal Blue Mica
Combined gas mileage:: 30 MPG
Fuel type:: Gasoline
Interior color:: Brown (Tan)
Transmission:: 6-Speed Manual
Mileage:: 8
Stock #:: X260232
VIN:: JM1NDAD74T0703631

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2026 Ford Mustang

EcoBoost Premium Convertible RWD

New car

$42,400

MSRP $45,895

$792/mo est.

Pella, IA

83 mi away

Year:: 2026
Make:: Ford
Model:: Mustang
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 315 hp 2.3L I4
Exterior color:: RACE RED
Combined gas mileage:: 27 MPG
Fuel type:: Gasoline
Interior color:: Space Gray
Transmission:: Automatic
Mileage:: 21
Stock #:: 1L1925
VIN:: 1FAGP8UH1T5103174

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2026 Ford Mustang

EcoBoost Premium Convertible RWD

New car

$51,355

MSRP $51,355

$960/mo est.

Nebraska City, NE

80 mi away

Year:: 2026
Make:: Ford
Model:: Mustang
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 315 hp 2.3L I4
Exterior color:: Pink (Molten Magenta Metallic Tinted Clearcoat)
Combined gas mileage:: 27 MPG
Fuel type:: Gasoline
Interior color:: Black Onyx
Transmission:: Automatic
Mileage:: 4
Stock #:: F5627
VIN:: 1FAGP8UHXT5102766

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2026 Mazda MX-5 Miata

Club RWD

New car

$35,959

MSRP $35,660

$672/mo est.

Year:: 2026
Make:: Mazda
Model:: MX-5 Miata
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 181 hp 2L I4
Exterior color:: Deep Crystal Blue Mica
Combined gas mileage:: 30 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 6-Speed Manual
Mileage:: 7
Stock #:: MM260185
VIN:: JM1NDAC71T0700834

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2026 Mazda MX-5 Miata

Grand Touring RWD

New car

$38,189

MSRP $37,890

$714/mo est.

Year:: 2026
Make:: Mazda
Model:: MX-5 Miata
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 181 hp 2L I4
Exterior color:: Soul Red Crystal Metallic
Combined gas mileage:: 30 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 6-Speed Manual
Mileage:: 6
Stock #:: MM260196
VIN:: JM1NDAD7XT0701138

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2026 Mazda MX-5 Miata

Grand Touring RWD

New car

$38,904

MSRP $38,605

$727/mo est.

Year:: 2026
Make:: Mazda
Model:: MX-5 Miata
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 181 hp 2L I4
Exterior color:: Jet Black Mica
Combined gas mileage:: 30 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 6-Speed Automatic
Mileage:: 6
Stock #:: MM260197
VIN:: JM1NDAD7XT0703746

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2026 Mazda MX-5 Miata

Grand Touring RWD

New car

$38,459

MSRP $38,160

$719/mo est.

Year:: 2026
Make:: Mazda
Model:: MX-5 Miata
Body type:: Convertible
Doors:: 2 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 181 hp 2L I4
Exterior color:: Snowflake White Pearl Mica
Combined gas mileage:: 30 MPG
Fuel type:: Gasoline
Interior color:: Brown (Tan)
Transmission:: 6-Speed Manual
Mileage:: 8
Stock #:: MM260133
VIN:: JM1NDAD75T0700737

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2026 BMW Z4

M40i RWD

New car

$78,850

MSRP $78,850

$1,473/mo est.