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Suzuki · Supermini · 2017–2020

Suzuki Swift 6

Weaknesses, engine ratings and buying advice

★★★★★
5.0 / 5.0 · Based on 3 engine variants
Most Fun Engine

140 PS

1.4L Boosterjet Benzin

Best driving fun under €25,000 — no debate

Legendary!
Most Reliable Engine

83–94 PS

1.2L DualJet Benzin

2 weaknesses

Good Choice

Generations

Engine Overview

The Suzuki Swift 6 is available with 3 engine variants — from 83 to 140 hp.

1.0L Boosterjet · Benziner· 111 PS
2017 2020
Good Choice 4 weaknesses
1.2L DualJet · Benziner· 83–94 PS
2017 2020
Good Choice 2 weaknesses
Show all weaknesses →
Swift Sport · Benziner· 140 PS
2018 2020
Good Choice 3 weaknesses

The Suzuki 1.0L Boosterjet (Benziner, 111 PS) has the K10C (1.0L Boosterjet) — rated: "Good Choice", 4 known weaknesses.

The Suzuki 1.2L DualJet (Benziner, 83–94 PS) has the K12C (1.2L DualJet) — rated: "Good Choice", 2 known weaknesses.

The Suzuki Swift Sport (Benziner, 140 PS) has the K14C (1.4L Boosterjet) — rated: "Good Choice", 3 known weaknesses.

Vehicle Weaknesses

WeaknessCost
!Recall: brake servo check valve

The vacuum pump check valve can swell due to fuel and oil additives, temporarily disabling the brake servo. Drivers need to apply significantly more pedal effort.

Symptoms: Significantly increased pedal effort required; brakes remain functional but noticeably harder
Ad Rückschlagventil vacuum pump SwiftCheck valve vacuum pump K14C
 Low
!Recall: rear axle retaining bolts (HUT3)

On vehicles produced between October and December 2015, the locking coating on the rear axle bolts may be missing. The bolts can gradually work loose, negatively affecting handling.

Symptoms: Vague handling, changed steering feel; develops gradually
Ad Hinterachsschrauben Swift NZfusesschraube rear axle
 Low

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Known Problems and Issues

A total of 15 weaknesses have been documented for the Suzuki Swift 6 (2017–2020) — 9 engine-related and 6 vehicle-related. Typical issues affect Other, Rust, Suspension, Electronics. Considered reliable: K12C (1.2L DualJet), K10C (1.0L Boosterjet), K14C (1.4L Boosterjet).

What to watch out for with the Suzuki Swift? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Suzuki Swift 6 have? +
The Suzuki Swift 6 has 9 known engine weaknesses and 6 vehicle weaknesses.
What should I look for when buying a used Suzuki Swift 6? +
faq.watch_a_solid
Which engine is recommended? +
Good choice: K12C (1.2L DualJet), K10C (1.0L Boosterjet), K14C (1.4L Boosterjet). The most reliable engine is the K12C (1.2L DualJet) with the lowest risk score. The most fun to drive is the K14C (1.4L Boosterjet).
Which Suzuki Swift 6 engine is the most reliable? +
The {code} ({displacement}) is the most reliable engine in the Suzuki Swift 6. It has the lowest risk score of all available engines and is rated "Good Choice". However, there are 2 known weaknesses to be aware of.
Which Suzuki Swift 6 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Suzuki Swift 6 — rated: "Legendary!". {description} The Swift Sport K14C is a masterpiece of lightness: 970 kg, 103 kW, a direct chassis, and steering that actually communicates. Testers compared it with the Mini Cooper S and found it livelier. On back roads it feels like a sports car in a supermini's body — at a fraction of the price.
Is the Suzuki Swift 6 worth buying used? +
The Suzuki Swift 6 is a good choice as a used car — 3 of 3 engine variants are rated 'Good Choice'.
What horsepower variants are available for the Suzuki Swift 6? +
The Suzuki Swift 6 is available with engine variants from 83 to 140 hp. Petrol: K12C (1.2L DualJet), K10C (1.0L Boosterjet), K14C (1.4L Boosterjet).

Last updated: February 2026 · All information without guarantee