135i Convertible

Overview

Body

Subcompact CarsEPA, from EPA, last updated 6/11/2026

Drivetrain

Rear-Wheel DriveEPA, from EPA, last updated 6/11/2026

Transmission

Manual 6-spdEPA, from EPA, last updated 6/11/2026

Powertrain

GasEPA, from EPA, last updated 6/11/2026

Fuel

PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

HP

300

Power to weight

0.089 hp/lb

Axle ratio

3.08

Cyl

6EPA, from EPA, last updated 6/11/2026

Aspiration

TurbochargedEPA, from EPA, last updated 6/11/2026

Start-stop system

NoEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy

27 mpgEPA, from EPA, last updated 6/11/2026

MPG City

19 mpgEPA, from EPA, last updated 6/11/2026

MPG Comb

22 mpgEPA, from EPA, last updated 6/11/2026

Fuel $/yr

$3,500EPA, from EPA, last updated 6/11/2026

CO₂

404 g/miEPA, from EPA, last updated 6/11/2026

Eco Score

5/10EPA, from EPA, last updated 6/11/2026

Smog score

5/10

Elec. Range

0 miEPA, from EPA, last updated 6/11/2026

SmartWay certified

No

Dimensions & capacity

Length

172 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Width

69 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Height

56 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Wheelbase

105 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Curb Weight

3,373 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Safety NHTSA, model year

Stability control (ESC)

Standard

Forward-collision warning

No

Lane-departure warning

No

Recalls

2

Owner complaints

15

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.