The 2015 Kia Forte offered two gasoline engine options: a 2.0-liter inline-4 for the mainstream models and a turbocharged 1.6-liter inline-4 for the sportier SX Turbo. The base engine produces about 173 horsepower, while the turbocharged engine makes around 201 horsepower. The 2.0L can be paired with a 6-speed manual or a 6-speed automatic, whereas the 1.6L turbo uses a 7-speed dual-clutch automatic in the SX Turbo.
Engine options
Two primary gasoline engines powered the 2015 Forte, each with its own performance profile and transmission pairing.
- 2.0-liter inline-4 GDI — Approximately 173 horsepower and about 164 lb-ft of torque; available with a 6-speed manual or a 6-speed automatic transmission.
- 1.6-liter turbocharged inline-4 — Approximately 201 horsepower and about 195 lb-ft of torque; paired with a 7-speed dual-clutch automatic (SX Turbo); manual transmission not offered with this engine.
In summary, the Forte’s engine lineup covered a standard efficiency option and a higher-performance turbo option, with distinct transmission choices to match each engine.
Trim mapping to engines
Understanding which trims used which engine helps buyers identify the powertrain they were purchasing.
- Forte LX/EX — 2.0-liter inline-4 engine; available with either a 6-speed manual or a 6-speed automatic.
- Forte SX Turbo — 1.6-liter turbocharged inline-4 engine; exclusively paired with a 7-speed dual-clutch automatic.
The turbocharged option was reserved for the SX Turbo trim, aligning with a higher-performance setup, while the base and mid trims offered the naturally aspirated engine with more traditional transmissions.
Transmission details
Transmission choices were a key part of how the two engines delivered their performance and efficiency.
- 2.0-liter engine — 6-speed manual or 6-speed automatic transmissions.
- 1.6-liter turbo engine — 7-speed dual-clutch automatic transmission, designed for quicker shifts and sporty feel; no manual option.
These transmission pairings reflect Kia’s approach to balancing everyday usability with sportier potential in the available configurations.
Summary
For the 2015 Kia Forte, buyers could choose between a 2.0-liter naturally aspirated engine aimed at efficiency and everyday reliability, or a 1.6-liter turbocharged engine aimed at higher performance. The former offered standard manual or automatic transmissions, while the latter used a 7-speed dual-clutch automatic in the SX Turbo. Trim choices determined which engine and transmission combination drivers received, shaping the Forte’s overall character for different markets and preferences.