Most Fuel-Efficient Saloons & Sedans
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The best-mpg saloons and sedans from 2020 onwards in our database, one entry per model, ranked on EPA combined fuel economy converted to UK mpg. All figures come from our own dataset (US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026) — no opinions, just the numbers, ranked.
Whichever you pick, sort the running gear first — UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero .
Overall Top 12
Saloons ranked by combined UK mpg on their most efficient configuration, hybrids included.
| # | Model | Model years | MPG (UK) | MPG (US) | CO₂ g/km | Engine |
|---|---|---|---|---|---|---|
| 1 | Toyota Camry Hybrid | 2020–2024 | 62 | 52 | 106 | 2.5L 4-cyl |
| 2 | Toyota Corolla Hybrid | 2020–2022 | 62 | 52 | 106 | 1.8L 4-cyl |
| 3 | Honda Insight Hybrid | 2020 | 62 | 52 | 106 | 1.5L 4-cyl |
| 4 | Hyundai Elantra Hybrid | 2021–2026 | 60 | 50 | 110 | 1.6L 4-cyl |
| 5 | Honda Civic Hybrid | 2025–2026 | 59 | 49 | 112 | 2L 4-cyl |
| 6 | Honda Accord Hybrid | 2021 | 58 | 48 | 114 | 2L 4-cyl |
| 7 | Hyundai Sonata Hybrid | 2020–2026 | 56 | 47 | 117 | 2L 4-cyl |
| 8 | Toyota Avalon Hybrid | 2020–2022 | 52 | 43 | 126 | 2.5L 4-cyl |
| 9 | Honda Clarity Plug-in Hybrid | 2020–2021 | 50 | 42 | 35 | 1.5L 4-cyl |
| 10 | Ford Fusion Plug-in Hybrid | 2020 | 50 | 42 | 62 | 2L 4-cyl |
| 11 | Kia Optima Hybrid | 2020 | 50 | 42 | 132 | 2L 4-cyl |
| 12 | Toyota Crown Hybrid | 2023–2026 | 49 | 41 | 133 | 2.5L 4-cyl |
One entry per model line — the best model year for each, from 96 distinct model lines considered (2020 onwards).
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Toyota Camry Hybrid · 2020–2024
Around 62 mpg (UK) / 52 mpg (US) combined from its 2.5L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 106 g/km CO₂ · NHTSA 5★ · EPA est. $1,300/yr fuel
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Toyota Corolla Hybrid · 2020–2022
Around 62 mpg (UK) / 52 mpg (US) combined from its 1.8L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 106 g/km CO₂ · NHTSA 5★ · EPA est. $1,300/yr fuel
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Honda Insight Hybrid · 2020
Around 62 mpg (UK) / 52 mpg (US) combined from its 1.5L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 106 g/km CO₂ · NHTSA 5★ · EPA est. $1,300/yr fuel
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Hyundai Elantra Hybrid · 2021–2026
Around 60 mpg (UK) / 50 mpg (US) combined from its 1.6L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 110 g/km CO₂ · NHTSA 5★ · EPA est. $1,350/yr fuel
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Honda Civic Hybrid · 2025–2026
Around 59 mpg (UK) / 49 mpg (US) combined from its 2L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 112 g/km CO₂ · NHTSA 5★ · EPA est. $1,350/yr fuel
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Honda Accord Hybrid · 2021
Around 58 mpg (UK) / 48 mpg (US) combined from its 2L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 114 g/km CO₂ · NHTSA 5★ · EPA est. $1,400/yr fuel
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Hyundai Sonata Hybrid · 2020–2026
Around 56 mpg (UK) / 47 mpg (US) combined from its 2L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 117 g/km CO₂ · NHTSA 5★ · EPA est. $1,450/yr fuel
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Toyota Avalon Hybrid · 2020–2022
Around 52 mpg (UK) / 43 mpg (US) combined from its 2.5L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 126 g/km CO₂ · NHTSA 5★ · EPA est. $1,550/yr fuel
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Honda Clarity Plug-in Hybrid · 2020–2021
Around 50 mpg (UK) / 42 mpg (US) combined from its 1.5L 4-cyl plug-in hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 35 g/km CO₂ · EPA est. $1,600/yr fuel
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Ford Fusion Plug-in Hybrid · 2020
Around 50 mpg (UK) / 42 mpg (US) combined from its 2L 4-cyl plug-in hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 62 g/km CO₂ · NHTSA 5★ · EPA est. $1,600/yr fuel
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Kia Optima Hybrid · 2020
Around 50 mpg (UK) / 42 mpg (US) combined from its 2L 4-cyl hybrid powertrain.
Saloon/Sedan · Front-Wheel Drive · 132 g/km CO₂ · NHTSA 5★ · EPA est. $1,600/yr fuel
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Toyota Crown Hybrid · 2023–2026
Around 49 mpg (UK) / 41 mpg (US) combined from its 2.5L 4-cyl hybrid powertrain.
Saloon/Sedan · All-Wheel Drive · 133 g/km CO₂ · NHTSA 5★ · EPA est. $1,650/yr fuel
Frequently Asked Questions
What is the most fuel-efficient option on this list?
The Toyota Camry (hybrid) — around 62 mpg (UK) / 52 mpg (US) combined, among 96 model lines we rank.
Are saloons more efficient than SUVs?
On average, yes. A lower, lighter body usually returns better economy than a taller SUV with similar power, although hybrid SUVs can beat petrol saloons.
Does this list include hybrids?
Yes. Where a model offers a hybrid, it is shown as its own entry so you can see the difference.
Rankings are computed from the specification data on this site and are provided for reference only. Verify details with the manufacturer before purchasing.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026