Kia K4 vs Nissan Sentra
3 head-to-heads across the 2025 to 2027 model years, side by side. At default weights the K4 leads 1–0, with 2 toss-ups. Each verdict below is the one its own page prints — price, fuel, safety, space, performance, tech and warranty from EPA, NHTSA and manufacturer data — and the weights are yours to change on any of them.
Year by year
3 head-to-heads · verdicts at default weightsClear win 6+ points · Edge 2–6 · Toss-up under 2
Across the years, category by category
3 scored head-to-headsThe K4 leads on safety in 2 of 3, space & cargo in 2 of 2, tech & comfort in 2 of 2; the Sentra on performance in 2 of 2. Category scores are 0–100 from the data on each pair page; a lead here means that model year scored higher in the category, whatever the weights.
| Category | K4 leads | Sentra leads | Level |
|---|---|---|---|
| Price | 1 | 1 | 0 |
| Fuel & range | 0 | 0 | 3 |
| Safety | 2 | 0 | 1 |
| Space & cargo | 2 | 0 | 0 |
| Performance | 0 | 2 | 0 |
| Tech & comfort | 2 | 0 | 0 |
Common questions about the K4 vs Sentra
Source: EPA, NHTSA and manufacturer press kitsWhich is better, the Kia K4 or the Nissan Sentra?
In the newest scored pairing, the 2027 K4 against the 2027 Sentra: Too close to call: Kia K4 100 vs Nissan Sentra 100 with these weights. Across the 3 head-to-heads scored, the K4 leads 1–0, with 2 toss-ups. Open the 2027 pair to change the weights.
Does the answer change from one model year to the next?
No. In every model year scored (2025 to 2027) the K4 came out ahead at default weights, with 2 toss-ups.
Where is the biggest difference between the Kia K4 and the Nissan Sentra?
The K4 leads on safety in 2 of 3, space & cargo in 2 of 2, tech & comfort in 2 of 2; the Sentra on performance in 2 of 2. Every count comes from the category scores on the pair pages linked above, which use EPA, NHTSA and manufacturer press-kit data.
How does WhichTrim decide which vehicle wins?
Each of seven categories — price, fuel and range, safety, space and cargo, performance, tech and comfort, warranty — is scored 0–100 from the data on the page. Relative measures give 100 to the better vehicle and a proportional share to the other; NHTSA stars and the Safety Signal use their own scales. The overall score is the weighted mean at the default weights (price 4, safety 4, fuel 3, tech 3, space 2, performance 2, warranty 2). A margin of 6 points or more is a clear win, 2 to 6 an edge, under 2 a toss-up. Every pair page has sliders to change the weights.