Used Convertibles for Sale Under $40,000 inDiamond Bar, CA

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261 vehicles found

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Year:
2023
Make:
BMW
Model:
Z4
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Rear-Wheel Drive
Engine:
255 hp 2L I4
Exterior color:
Black
Combined gas mileage:
29 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
27,920
Stock #:
X05421
VIN:
WBAHF3C04PWY16468
Black 2023 BMW Z4 Convertible Rear-Wheel Drive Automatic
STG Auto Group of Bellflower

Sponsored by STG Auto Group of Bellflower

2023 BMW Z4

sDrive30i RWD

27,920 mi

Bellflower, CA
21 mi away
Great Deal

$38,443

Year:
2025
Make:
Ford
Model:
Mustang
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Rear-Wheel Drive
Engine:
315 hp 2.3L I4
Exterior color:
Iconic Silver Metallic
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Interior color:
Black Onyx
Transmission:
Automatic
Mileage:
23,198
Stock #:
S5124969PR
VIN:
1FAGP8UH4S5124969
Iconic Silver Metallic 2025 Ford Mustang Convertible Rear-Wheel Drive Automatic

Sponsored Listing

2025 Ford Mustang

EcoBoost Premium Convertible RWD

23,198 mi

Los Angeles, CA
26 mi away
Fair Deal

$30,559

Year:
2020
Make:
Mercedes-Benz
Model:
C-Class
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Rear-Wheel Drive
Engine:
255 hp 2L I4
Exterior color:
White
Combined gas mileage:
25 MPG
Fuel type:
Gasoline
Interior color:
Red
Transmission:
Automatic
Mileage:
93,401
Stock #:
Merc4987
VIN:
WDDWK8DB6LF944987
White 2020 Mercedes-Benz C-Class Convertible Rear-Wheel Drive Automatic

Sponsored Listing

2020 Mercedes-Benz C-Class

C 300 Cabriolet RWD

93,401 mi

Studio City, CA
34 mi away
Fair Deal

$23,400

Year:
2024
Make:
MINI
Model:
Cooper
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Front-Wheel Drive
Engine:
134 hp 1.5L I3
Exterior color:
White
Combined gas mileage:
33 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
44,802
Stock #:
LR3R69985
VIN:
WMW23DL09R3R69985
White 2024 MINI Cooper Convertible Front-Wheel Drive Automatic
Price drop

-$1,171

 

2024 MINI Cooper

Convertible FWD

44,802 mi

Monrovia, CA
14 mi away
Good Deal
Manufacturer certified

$26,169

$25,168

Year:
2025
Make:
MINI
Model:
Cooper
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Front-Wheel Drive
Engine:
2L I4
Exterior color:
Icy Sunshine Blue Metallic
Combined gas mileage:
31 MPG
Fuel type:
Gasoline
Interior color:
Brown (Beige)
Transmission:
Automatic
Mileage:
526
Stock #:
M6646
VIN:
WMW23GX08S2X39281
Icy Sunshine Blue Metallic 2025 MINI Cooper Convertible Front-Wheel Drive Automatic
Price drop

-$1,000

 

2025 MINI Cooper

S Convertible FWD

526 mi

North Hollywood, CA
33 mi away
Great Deal

$33,822

$32,822

Year:
2026
Make:
MINI
Model:
Cooper
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Front-Wheel Drive
Engine:
2L I4
Exterior color:
White
Combined gas mileage:
31 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
2,041
Stock #:
NT2X71496
VIN:
WMW23GX00T2X71496
White 2026 MINI Cooper Convertible Front-Wheel Drive Automatic
New arrival

 

2026 MINI Cooper

S Convertible FWD

2,041 mi

Monrovia, CA
14 mi away
Great Deal

$36,169

Year:
2020
Make:
BMW
Model:
Z4
Body type:
Convertible
Engine:
255 hp 2L I4
Exterior color:
White
Fuel type:
Gasoline
Interior color:
Black
Transmission:
8-Speed Automatic
Mileage:
63,682
Stock #:
W80652
VIN:
WBAHF3C03LWW80652
White 2020 BMW Z4 Convertible  8-Speed Automatic
Price drop

-$1,500

 

2020 BMW Z4

63,682 mi

Riverside, CA
24 mi away
Great Deal

$26,584

$25,084

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 Automatic
Mileage:
0
Stock #:
260659
VIN:
JM1NDAD77T0708614
Snowflake White Pearl Mica 2026 Mazda MX-5 Miata Convertible Rear-Wheel Drive 6-Speed Automatic
Price drop

-$1,034

 

2026 Mazda MX-5 Miata

Grand Touring RWD

Loma Linda, CA
33 mi away

New car

MSRP $37,935

$38,020

$36,986

Year:
2021
Make:
BMW
Model:
4 Series
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Rear-Wheel Drive
Engine:
255 hp 2L I4
Exterior color:
Black
Combined gas mileage:
28 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
8-Speed Automatic
Mileage:
34,926
Stock #:
B12421
VIN:
WBA23AT08MCG87900
Black 2021 BMW 4 Series Convertible Rear-Wheel Drive 8-Speed Automatic

Sponsored Listing

2021 BMW 4 Series

430i Convertible RWD

34,926 mi

Costa Mesa, CA
23 mi away
Fair Deal

$33,594

Year:
2023
Make:
BMW
Model:
Z4
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Rear-Wheel Drive
Engine:
255 hp 2L I4
Exterior color:
Black
Combined gas mileage:
29 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
27,920
Stock #:
X05421
VIN:
WBAHF3C04PWY16468
Black 2023 BMW Z4 Convertible Rear-Wheel Drive Automatic
STG Auto Group of Bellflower

Sponsored by STG Auto Group of Bellflower

2023 BMW Z4

sDrive30i RWD

27,920 mi

Bellflower, CA
21 mi away
Great Deal

$38,443

Year:
2025
Make:
Ford
Model:
Mustang
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Rear-Wheel Drive
Engine:
315 hp 2.3L I4
Exterior color:
Iconic Silver Metallic
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Interior color:
Black Onyx
Transmission:
Automatic
Mileage:
23,198
Stock #:
S5124969PR
VIN:
1FAGP8UH4S5124969
Iconic Silver Metallic 2025 Ford Mustang Convertible Rear-Wheel Drive Automatic

Sponsored Listing

2025 Ford Mustang

EcoBoost Premium Convertible RWD

23,198 mi

Los Angeles, CA
26 mi away
Fair Deal

$30,559

Year:
2020
Make:
Mercedes-Benz
Model:
C-Class
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Rear-Wheel Drive
Engine:
255 hp 2L I4
Exterior color:
White
Combined gas mileage:
25 MPG
Fuel type:
Gasoline
Interior color:
Red
Transmission:
Automatic
Mileage:
93,401
Stock #:
Merc4987
VIN:
WDDWK8DB6LF944987
White 2020 Mercedes-Benz C-Class Convertible Rear-Wheel Drive Automatic

Sponsored Listing

2020 Mercedes-Benz C-Class

C 300 Cabriolet RWD

93,401 mi

Studio City, CA
34 mi away
Fair Deal

$23,400

Year:
2024
Make:
MINI
Model:
Cooper
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Front-Wheel Drive
Engine:
134 hp 1.5L I3
Exterior color:
White
Combined gas mileage:
33 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
44,802
Stock #:
LR3R69985
VIN:
WMW23DL09R3R69985
White 2024 MINI Cooper Convertible Front-Wheel Drive Automatic
Price drop

-$1,171

 

2024 MINI Cooper

Convertible FWD

44,802 mi

Monrovia, CA
14 mi away
Good Deal
Manufacturer certified

$26,169

$25,168

Year:
2025
Make:
MINI
Model:
Cooper
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Front-Wheel Drive
Engine:
2L I4
Exterior color:
Icy Sunshine Blue Metallic
Combined gas mileage:
31 MPG
Fuel type:
Gasoline
Interior color:
Brown (Beige)
Transmission:
Automatic
Mileage:
526
Stock #:
M6646
VIN:
WMW23GX08S2X39281
Icy Sunshine Blue Metallic 2025 MINI Cooper Convertible Front-Wheel Drive Automatic
Price drop

-$1,000

 

2025 MINI Cooper

S Convertible FWD

526 mi

North Hollywood, CA
33 mi away
Great Deal

$33,822

$32,822

Year:
2026
Make:
MINI
Model:
Cooper
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Front-Wheel Drive
Engine:
2L I4
Exterior color:
White
Combined gas mileage:
31 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
2,041
Stock #:
NT2X71496
VIN:
WMW23GX00T2X71496
White 2026 MINI Cooper Convertible Front-Wheel Drive Automatic
New arrival

 

2026 MINI Cooper

S Convertible FWD

2,041 mi

Monrovia, CA
14 mi away
Great Deal

$36,169

Year:
2020
Make:
BMW
Model:
Z4
Body type:
Convertible
Engine:
255 hp 2L I4
Exterior color:
White
Fuel type:
Gasoline
Interior color:
Black
Transmission:
8-Speed Automatic
Mileage:
63,682
Stock #:
W80652
VIN:
WBAHF3C03LWW80652
White 2020 BMW Z4 Convertible  8-Speed Automatic
Price drop

-$1,500

 

2020 BMW Z4

63,682 mi

Riverside, CA
24 mi away
Great Deal

$26,584

$25,084

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 Automatic
Mileage:
0
Stock #:
260659
VIN:
JM1NDAD77T0708614
Snowflake White Pearl Mica 2026 Mazda MX-5 Miata Convertible Rear-Wheel Drive 6-Speed Automatic
Price drop

-$1,034

 

2026 Mazda MX-5 Miata

Grand Touring RWD

Loma Linda, CA
33 mi away

New car

MSRP $37,935

$38,020

$36,986

Year:
2021
Make:
BMW
Model:
4 Series
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Rear-Wheel Drive
Engine:
255 hp 2L I4
Exterior color:
Black
Combined gas mileage:
28 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
8-Speed Automatic
Mileage:
34,926
Stock #:
B12421
VIN:
WBA23AT08MCG87900
Black 2021 BMW 4 Series Convertible Rear-Wheel Drive 8-Speed Automatic

Sponsored Listing

2021 BMW 4 Series

430i Convertible RWD

34,926 mi

Costa Mesa, CA
23 mi away
Fair Deal

$33,594

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