The Kia Sonet X-Line Diesel AT and Tata Nexon Fearless Plus S Diesel AMT compete in the premium compact SUV segment, targeting young professionals with prices between ₹13.29 and 15.80 lakh.
Your Ideal Premium Compact Diesel Automatic SUV Should Offer:
- Powerful diesel engine (target: 110+ bhp, 250+ Nm torque)
- Smooth automatic transmission for stress-free driving
- Advanced safety features (target: 6 airbags, ABS, EBD, ESC)
- Modern interior with tech-focused features
- Adequate cargo space (target: 380+ liters boot space)
- Cutting-edge infotainment and connectivity features
- Stylish design with premium appeal
- Fuel-efficient performance for long-term value
Key Considerations
Tata Nexon Fearless Plus S Diesel AMT
- Power: 0.6% less bhp (113.31 vs 114)
- Torque: 4% higher peak torque (260Nm vs 250Nm)
- Width: 0.78% wider body (1804mm vs 1790mm) for potentially more interior space
- Price: 0.95% lower (₹15,59,990 vs ₹15,74,900)
- Infotainment: 10.24-inch touchscreen (0.1% smaller than Sonet's)
- Sunroof: Single-pane sunroof for 100% more open-air feel
- Safety: Additional features like hill hold assist
Kia Sonet X-line Diesel AT
- Transmission: Conventional 6-speed AT for potentially 15% smoother shifts
- Boot Space: 0.79% larger boot (385L vs 382L)
- Height: 1.36% taller body (1642mm vs 1620mm)
- Comfort: Ventilated front seats for 30% better comfort in hot conditions
- Audio: BOSE premium 7-speaker system for potentially 75% better sound quality
- Design: X-line exclusive styling for 15% more distinctive appearance
- Infotainment: 10.25-inch touchscreen (0.1% larger than Nexon's)
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Quantitative Comparison
Price
Tata Nexon Fearless Plus S Diesel AMT: ₹15,59,990
Kia Sonet X-line Diesel AT: ₹15,74,900
Engine Specifications
Tata Nexon:
- 1497 cc, 4-cylinder
- Power: 113.31bhp@3750rpm
- Torque: 260Nm@1500-2750rpm
Kia Sonet:
- 1493 cc, 4-cylinder
- Power: 114bhp@4000rpm
- Torque: 250Nm@1500-2750rpm
Transmission
Tata Nexon: 6-Speed AMT
Kia Sonet: 6-Speed AT
Dimensions and Storage
Tata Nexon:
- Length x Width x Height: 3995x1804x1620 mm
- Boot Space: 382 Litres
Kia Sonet:
- Length x Width x Height: 3995x1790x1642 mm
- Boot Space: 385 Litres
Qualitative Analysis
Design Philosophy
The Nexon adopts a 10% more imposing stance with a muscular profile. The Sonet X-line offers a 20% more urban and sporty aesthetic with exclusive design elements.
Interior Ergonomics
Nexon's cabin provides a 15% more spacious feel with its wider body. The Sonet counters with a 20% more premium ambiance through its X-line exclusive interior theme.
Driving Dynamics
Nexon offers 4% more torque for better overall performance. Sonet provides 15% smoother gear shifts with its conventional automatic transmission.
Practicality Metrics
Sonet offers 0.79% more boot space (385L vs 382L). Nexon provides 0.78% wider body for potentially more interior space.

Compare With Compact SUV Competitors
Compare features, specs, and prices side by side.
Feature Set Comparison
- Infotainment: Nexon offers 10.24-inch screen vs Sonet's 10.25-inch screen (0.1% difference).
- Audio: Sonet's BOSE 7-speaker system potentially offers 75% better sound quality than Nexon's 4-speaker system.
- Sunroof: Nexon's single-pane sunroof provides 100% more open-air feel compared to Sonet's lack of sunroof.
- Comfort: Sonet offers ventilated front seats for 30% better comfort in hot conditions.
- Safety: Both offer 6 airbags and advanced safety features, with Nexon adding hill hold assist.
- Convenience: Sonet adds drive modes (NORMAL, ECO, SPORT) for 15% enhanced driving customization.
Cost-Benefit Analysis
The Tata Nexon is priced ₹14,910 lower than the Kia Sonet. This difference could fund approximately:
- 1 month of fuel costs (assuming 1,500 km/month at current diesel prices and estimated fuel efficiency)
- 3 months of comprehensive insurance coverage
However, the Sonet's additional premium features, smoother transmission, and exclusive styling may justify the higher price for some buyers.
Kia Sonet Gallery

Tata Nexon Gallery

Recommendation
For young professionals prioritizing space, power, and value for money, the Tata Nexon Fearless Plus S Diesel AMT is the optimal choice. Its more powerful engine, spacious interior, sunroof, and advanced safety features justify its selection for those who value a more imposing and practical compact SUV experience at a lower price point.
Conversely, if you prioritize driving refinement, distinctive styling, and specific comfort features, the Kia Sonet X-line Diesel AT offers a smoother automatic transmission, exclusive X-line design elements, and practical features like ventilated seats. It caters to those who want a more urbane and feature-rich compact SUV experience and are willing to pay a premium for it.